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4-Nitrobenzyl Hydrogen Malonate

    • Product Name 4-Nitrobenzyl Hydrogen Malonate
    • Alias NBHMA
    • Einecs 846-910-1
    • Mininmum Order 1 g
    • Factory Site Tengfei Creation Center,55 Jiangjun Avenue, Jiangning District,Nanjing
    • Price Inquiry admin@sinochem-nanjing.com
    • Manufacturer Sinochem Nanjing Corporation
    • CONTACT NOW
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    Specifications

    HS Code

    917476

    Cas Number 38834-52-1
    Molecular Formula C10H9NO6
    Molecular Weight 239.18 g/mol
    Appearance Off-white to pale yellow solid
    Melting Point 133-136°C
    Purity Typically ≥ 98%
    Solubility Soluble in DMSO, slightly soluble in water
    Storage Temperature 2-8°C (refrigerated)
    Synonyms 4-Nitrobenzyl hydrogen malonate; Malonic acid mono(4-nitrobenzyl) ester
    Smiles O=C(COC1=CC=C(C=C1)[N+](=O)[O-])C(O)=O
    Inchikey FVRKNAAHJWZZBM-UHFFFAOYSA-N

    As an accredited 4-Nitrobenzyl Hydrogen Malonate factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing The 4-Nitrobenzyl Hydrogen Malonate is packaged in a 5-gram amber glass bottle, sealed, and clearly labeled with hazard warnings.
    Shipping 4-Nitrobenzyl Hydrogen Malonate is shipped in tightly sealed containers, protected from light, moisture, and extreme temperatures. It is transported as a chemical reagent, with appropriate hazard labeling according to regulations. Proper documentation, including safety data sheets, accompanies the shipment to ensure safe handling and compliance during transit.
    Storage 4-Nitrobenzyl Hydrogen Malonate should be stored in a cool, dry, and well-ventilated area away from direct sunlight and moisture. Keep the container tightly closed and protect it from physical damage. Store separately from incompatible materials such as strong oxidizers, bases, and acids. Ensure proper labeling, and handle using appropriate safety measures, including gloves and eye protection.
    Application of 4-Nitrobenzyl Hydrogen Malonate

    Applications of 4-Nitrobenzyl Hydrogen Malonate in Industrial Manufacturing

    As a direct producer of 4-Nitrobenzyl Hydrogen Malonate, we support a range of advanced industrial sectors requiring specialized intermediates. The downstream pathways outlined below reflect the established, practical integration of our material into chemical, pharmaceutical, and agrochemical production. Each application leverages the compound’s reactivity and compatibility with demanding synthetic processes, backed by relevant compliance and technical considerations.

    1. Pharmaceutical Intermediate Synthesis

    4-Nitrobenzyl Hydrogen Malonate functions as a key building block in the synthesis of APIs, especially within small-molecule drug discovery and production. Process chemists select this intermediate for constructing complex scaffolds, where its malonate moiety participates in stepwise alkylation or condensation, and the nitro group serves as a handle for further reduction or substitution. Integration occurs in multistep batch or continuous-flow reactions, with rigorous control over purity and trace impurities as dictated by regulated pharmaceutical manufacturing. The intermediate’s use supports custom synthesis for both clinical and commercial stage medications, including cardiovascular agents and targeted cancer therapies.

    Industry compliance standards

    • ICH Q7 Good Manufacturing Practice (GMP) for Active Pharmaceutical Ingredients
    • FDA 21 CFR Part 211 for finished pharmaceuticals
    • European Pharmacopoeia monographs for intermediates control
    • REACH Regulation (EC) No 1907/2006 for chemical registration

    Typical usage ratio

    • Employed at 0.05–0.5 molar equivalents per step, adjusted for target molecule complexity and required yield optimization; reaction stoichiometry tuned in pilot and scale-up batches.

    Downstream process integration

    • Charged into reaction vessels after solvent charging and inert gas purging, often in combination with alkylating agents or reductants, under validated cGMP controls; followed by staged purification and in-process controls as per Q6A specifications.

    Final product types

    • Pharmaceutical active ingredients for anti-hypertensive agents
    • Small molecule kinase inhibitors
    • Specialty intermediates for investigational new drugs
    • Chiral drug precursors

    2. Custom Agrochemical Synthesis

    The compound acts as an intermediate in the synthesis routes of modern agrochemicals, notably herbicides and pesticide active ingredients. Research and production chemists utilize its bifunctional character for targeted derivatization, enabling the introduction of malonate fragments into complex cyclic compounds or substituted aromatic rings. The compound ensures reproducibility in scale-up syntheses where trace contaminants can alter biological activity or stability profiles. Quality assurance aligns with national pesticide active ingredient guidelines, with robust upstream traceability documented throughout production.

    Industry compliance standards

    • ISO 9001:2015 certified quality management
    • Chinese GB 2763-2021 Maximum Residue Limits for Pesticides
    • European Union Plant Protection Product Regulation (EC) No 1107/2009
    • US EPA Registration requirements for technical grade active ingredients

    Typical usage ratio

    • Typically 0.08–0.2 molar equivalents per synthetic cycle, adjusted based on desired degree of ring substitution and process efficiency at production sites.

    Downstream process integration

    • Dosed into agitated reactors following initial condensation, or coupled with chlorinated intermediates; feeds directly into multi-step synthesis lines for active agrochemical ingredient formation, monitored via HPLC trace analysis and elemental detection.

    Final product types

    • Herbicidal active ingredients for commercial crop protection
    • Fungicide synthesis intermediates
    • New generation insecticidal compounds
    • Regulatory-registered pesticide actives

    3. Fine Chemical and Specialty Ester Production

    Manufacturers of fine chemicals deploy 4-Nitrobenzyl Hydrogen Malonate as a coupling or esterification substrate, introducing unique functional ester groups into high-value materials. It reacts selectively in the presence of specific alcohols and catalysts to yield customized malonate esters for UV absorbers, polymer modifiers, or as linkers for complex molecule assemblies. The strict control of impurity levels and reaction completeness is maintained, especially where products enter regulated sectors such as the electronics industry. Each production lot undergoes full analytical characterization and traceability protocols.

    Industry compliance standards

    • ISO 14001 environmental management systems for chemical production
    • Japanese Industrial Standards (JIS) for fine chemicals purity
    • REACH Annex VII for registration of intermediate substances
    • GHS labeling and safety data requirements

    Typical usage ratio

    • 0.1–0.4 moles per mole of alcohol or co-reactant, depending on the targeted ester profile and desired throughput in batch or semi-continuous reactors.

    Downstream process integration

    • Fed into glass-lined reactors after pre-adjustment of solvent polarity, often with acid catalysts, followed by vacuum stripping, recrystallization, or flash chromatography to isolate the specialty ester fractions.

    Final product types

    • UV-absorbing ester additives for coatings
    • Polymer cross-linkers for specialty plastics
    • Linker molecules for pharmaceutical excipients
    • Custom intermediates for materials R&D

    4. Photoactive Compound Production

    The nitrobenzyl functional group serves as a well-established photolabile protecting entity in advanced synthetic processes, supporting photo-removable chemistry required by life science reagent firms and electronics manufacturers. 4-Nitrobenzyl Hydrogen Malonate delivers reproducibility in large-scale synthesis of photoactive compounds for use in photolithography and bioscience reagents. Production requires validated UV-transmittance characteristics and low trace metal content, with batch controls extending to irradiation stability and purity assessment using LC-MS and FTIR techniques.

    Industry compliance standards

    • SEMI standards for electronics chemical purity
    • RoHS (Restriction of Hazardous Substances Directive) on controlled elements
    • ISO/IEC 17025 for analytical laboratory operation
    • USP General Chapter <857> for photometric testing

    Typical usage ratio

    • Commonly at 0.05–0.25 equivalents per protected substrate, with ratio determined by mole balance and photolysis requirements in manufacturing flows.

    Downstream process integration

    • Dosed post-activation into photo-protection synthesis streams, reacted under controlled light exposure, and purified via preparative chromatography or crystallization before application in final product formulations.

    Final product types

    • Photo-removable protecting groups for oligonucleotide synthesis
    • Photoreactive adhesives for microelectronics
    • Photo-cleavable linkers for controlled release systems
    • Specialty reagents for molecular diagnostics

    5. API Impurity Marker Synthesis

    4-Nitrobenzyl Hydrogen Malonate provides a reference standard for API impurity profiling and stability assessment, particularly in the quality control of nitro group–containing pharmaceuticals. Analytical laboratories employ this material for spiking studies, forced degradation testing, and HPLC/GC calibration, supporting regulatory submission dossiers. All sample handling follows stringent traceability and documentation, consistent with global laboratory best practices for reference materials.

    Industry compliance standards

    • USP Chapter <1225> Validation of Compendial Procedures
    • Ph. Eur. General Notices on reference standards
    • FDA Guidance for Industry: Analytical Procedures and Methods Validation
    • GLP (Good Laboratory Practice) OECD Principles

    Typical usage ratio

    • Spiked into analytical runs at 0.5–10 ppm, depending on detection sensitivity and API content, with reference standard dilutions prepared under ISO 17034 protocols.

    Downstream process integration

    • Added as an impurity marker to test samples post-extraction or post-fractionation for system suitability and method validation; tracked by internal standard recovery and retention time stability.

    Final product types

    • API reference impurity samples
    • QC validated analytical calibrators
    • Pharmaceutical stability testing kits
    • Regulatory compliance sample sets
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    Certification & Compliance
    More Introduction

    4-Nitrobenzyl Hydrogen Malonate: A Perspective from the Manufacturer

    Over years of direct synthesis and refining, we have developed a practical understanding of what high-purity 4-Nitrobenzyl Hydrogen Malonate delivers in the laboratory and production facility. Attention to details in raw material selection, care during each batch, and an ongoing dialogue with end-users pushes us to achieve a product that meets the demands of challenging synthetic reactions. We focus on more than just consistent batch-to-batch purity; longevity in storage, solubility, and minimized side reactions in downstream transformations are equally critical. Our direct role in its creation means every lot reflects choices rooted in hands-on knowledge, not assumptions from outside the lab.

    Our Model: Precision in Synthesis for Reliable Results

    Producing 4-Nitrobenzyl Hydrogen Malonate in our plant put us face to face with challenges found only through direct involvement: solubility balance, handling during large-scale reactions, and purity preservation during drying and packing. Our main model stems from fine control of temperature and reaction time, optimized based on reaction yields and crystal integrity, not just theoretical calculations. The texture and granule consistency matter as much as the chemical specification. Employees inspect each step with tools and techniques selected because they work—not because they happen to be common elsewhere. Over time, batch logs tell us what works on the shop floor, not just what reads well on paper.

    The heart of our manufacturing process balances performance and practicality: scalable synthesis that remains smooth in kilo quantities, and product that flows well through feeders in automated systems. Fine powder might look pleasing but clogs feed throughs; denser granules minimize this, which we achieve by tuning filtration speed and solvent ratios. This approach grew out of conversations with plant operators running pilot lines, whose feedback led to genuine changes in our drying protocols and packing materials. It takes time, but the result is a product that not only meets specification sheets but also performs in hands-on environments with unpredictable variables.

    Specifications Shaped by Experience, Not Guesswork

    4-Nitrobenzyl Hydrogen Malonate can be found in technical papers, but making it for daily industrial use sharpens your views on specifications. Purity levels above 99% seem standard, but the nature of the residual impurities alters reactivity. We keep a close eye on byproducts from decarboxylation and nitro-reduction, because we have seen firsthand what just trace levels do in multi-step organic syntheses. Infrared, NMR, and polarimetry run as basic controls, but we have kept HPLC–MS as routine. Some methods call for further purification after delivery. To minimize these headaches, we focus on refining early in the production line, where impurities are easier and cheaper to control rather than correct down the road.

    Moisture content remains another control point often undervalued by others. Our facility’s monitoring system keeps storage areas at set humidity, since a few percent added water can throw off malonate reactions or speed product breakdown. Customers tell us these details matter, and their issues become our own lessons. Overpack solutions help us maintain quality during longer transits, especially for regions with fluctuating climates. We do not treat measures like particle size or color merely as checkboxes; unusual tints or variable textures have almost always pointed to process drift, so early correction is standard routine. Storage, not just synthesis or packing, rounds out specification development on our floor: we log storage incidents down to the pallet, and every deviation serves as a lesson for the next cycle.

    Direct Uses: Insights from Real Laboratory and Industrial Settings

    In practice, 4-Nitrobenzyl Hydrogen Malonate serves as a valuable protected malonate building block. Most orders come from chemistries dealing with photolabile protecting groups, with our product providing reliable cleavage under mild conditions. DNA and peptide synthesis crews favor it for this behavior, particularly where selectivity and traceable reaction progress count. We have watched customers apply our malonate, especially in solid-phase peptide synthesis, where the characteristic clean cleavage and minimal contamination of side products spur repeat purchases. Chemists at the bench explain their process intricacies, letting us tune consistency and efficiency to match their unique environments. Reliable photorelease and smooth coupling steps translate directly into higher yields; these factors matter more than abstract promises of purity or generality found in promotional texts.

    In pharmaceutical research, 4-Nitrobenzyl Hydrogen Malonate emerges as a protagonist during lead optimization, where precise modification of molecular scaffolds boosts both synthetic throughput and biological test results. Teams running combinatorial libraries need fewer purification headaches and sharp reliability from their reagents—messy or inconsistent malonates waste days in column cleanups or, worse, jeopardize screening data. Our long-running cooperation with both established pharma and start-ups reinforces a simple fact: direct manufacturing allows better alignment with the realities of medicinal chemistry cycles, since we can tweak single-parameter batches, then scale them up as clients’ research expands.

    A handful of customers outside healthcare share different demands. Fluorescent tag developers, for example, benefit from the product’s clean photodeprotection in probe design. In catalyst development and specialty polymer work, our malonate’s predictable reactivity curve keeps downstream process yields up and off-target products down. Hearing the spectrum of applications, we gain insight into previously underappreciated roles for this malonate. Manufacturing feedback prompts us to maintain adaptability for special runs—offering, for instance, custom-tailored particle sizes or especially low-metal content batches for ultrasensitive processes. All these adjustments come from the simple interaction of chemists working together and sharing what actually drives process success, not just a blind adherence to grade definitions.

    Differences from Other Products: Hands-On Lessons and Real-World Value

    Some might ask, what sets our 4-Nitrobenzyl Hydrogen Malonate apart if the chemical formula matches? This is the kind of question that only practical experience answers. Production circumstances matter: small adjustments in recrystallization temperature, choice of solvents, or even the pressure in reaction vessels alter the impurity landscape. As makers, we recognize these details because minute changes could become multipliers of error at scale. We minimize batch-to-batch drift through routine tight process checks, and not out of bureaucratic habit but because chemists on the ground report these shifts in their own downstream yields. Years in the industry convince us that origin and history matter in every bottle or drum we ship.

    We have also seen malonate products from secondary vendors that claim purity in their paperwork but fail to perform in stringent syntheses. This difference comes through as unexplained low yields or unaccounted-for side products forcing expensive troubleshooting steps. End-users report recovery by returning to a more consistent manufacturer—a pattern that repeats enough to draw attention. Our own internal side-by-side tests compare competitors’ lots with our own; results feed directly into our QC adjustments. This fluid feedback cycle remains the core of our differentiation, fostered through years of shared troubleshooting with customers who remember both the hiccups and the fixes.

    Another consideration comes with product granularity and flow properties. Laboratory-scale malonates may appear similar across brands, but automated, industrial equipment turns subtle differences into tangible problems. Through iterative process changes—sometimes spurred by a single customer’s clogging issue—we have shifted sieving and drying to yield free-flowing product with low dust but without stray agglomerates. Unchecked, these minor texture differences stack into process downtime, mechanical wear, and user frustration. Our batch records trace every change, ensuring that improvements become part of the manufacturing workflow rather than improvised afterthoughts.

    We reflect frequently on safety and regulatory feedback because real peace of mind builds on confidence, not marketing. Hazard controls in our own plant highlight the strengths and realistic limits for downstream use; information about photoreactivity, byproduct vapor, and reaction exotherms springs from actual incident logs, not borrowed templates. Strong relationships with user organizations allow two-way flow, which keeps our safety sheets rooted in direct observation and practical fixability. Unlike off-the-shelf distributors, who patch together sheets from unseen suppliers, we report only what we observe and verify in our own environment, giving users real data they can use.

    Solutions to Industry Challenges: Building Quality into Every Step

    Industry voices focus energy on near-perfect traceability, both in regulatory compliance and reliable sourcing. Customers often request retrospective batch histories, snapshot samples, or non-standard certificate formats to match audits. By manufacturing in-house, we provide not just routine certification but any extra record or verification needed. Troubleshooting a failed synthesis never stops at the product itself; we trace back through process records, raw material invoices, digital logs, and incident reports, then respond with practical fixes. For international customers, where shipment time and varied climates add hurdles, we adapted shipping and packaging to withstand cycles of humidity and temperature fluctuation based on real-world shipping issues. Customer complaints don’t end up buried—they reshape how we prepare the next shipment.

    Transparency about the realistic performance of each batch cements user trust. Chemists using our product for photolabile deprotection or sensitive coupling reactions know from the start what to expect, because every certificate lists not just generic specs but real process observations and deviations. If dust content rose slightly due to a weather-driven drying anomaly, the batch slips reflect it; clients prefer adjustments on their end instead of surprises halfway through an expensive run. We make habit of following up on large or unusual orders to solicit results and intercept long-term issues before they compound. This approach did not emerge by accident but formed from lessons whenever batches fell short of the high standards our industry requires. Every slip sets off an investigation, and every investigation improves the next run.

    Regulatory landscapes, especially across borders, add pressure for full documentation and clarity on residual metals and banned substances. Our strict inventory inspection and sourcing standards keep us ahead of the compliance curve. Any deviation triggers a process review, not just a form to complete. This proactive stance means users move through their QA steps faster, and regulators receive not only the answers they demand but also supporting data that speaks to a deeper understanding of each batch’s journey. Our familiarity with both upstream supply and downstream documentation makes for fewer disruptions, and our team’s track record stands as proof. We have learned hard lessons from mistakes, and every corrective action multiplies into a more robust product and less stress for the end-user.

    On the Horizon: Meeting Future Demands with Proven Commitment

    4-Nitrobenzyl Hydrogen Malonate once filled a niche space, but demands shifted over time. Photoactivated chemistry, combinatorial drug discovery, fluorescent probe development—in each, expectations grow for greater lot-to-lot consistency and increasingly detailed documentation. We answer by refining both production and service, investing in technology not just for its novelty but where it serves real needs. For example, we pilot rapid analytics on the floor, directly reporting back to our lab to adapt controls before full-scale issues develop. These changes do not disrupt proven infrastructure but blend with operational habits built over decades.

    Customer input remains our prime source for innovation. Many special requests—low-dust versions, higher stability under light, trace metals below industry norms—begin as a single line on an order form or a phone call from a lab manager working late into the night. We answer not with templated upgrades but by integrating the new requirement into our laboratory validation runs and, when possible, scaling them up. This iterative co-design approach strengthens every offering. We learn as much from customer trouble reports as from advanced technical literature, and we recognize each unique requirement as a practical opportunity rather than an inconvenience. The needs of synthesizing cleanly, reliably, and in quantity feed directly into our continuous improvement cycle.

    Growing expectations for sustainability and green chemistry challenge every chemical manufacturer. We have methodically mapped waste streams, source recycled solvents wherever feasible, and improve process yields both for economic and ethical reasons. Staff input identifies points for waste reduction, and we work toward incremental improvements steered by what works in daily operations. Introducing greener process steps has saved costs and trimmed emissions because suggestions arose directly from those who bear daily responsibility for plant performance and oversight. These steps translate into genuine progress, not marketing gloss.

    Lasting Value: Expert Production Built for the Real World

    As a chemical producer in daily contact with pressure to deliver and refine, we recognize 4-Nitrobenzyl Hydrogen Malonate as more than a commodity. Its real-world value springs from the decisions made at every stage, based on experience in the field and feedback from users. This means we don’t separate laboratory insight from production reality; each batch reflects not just the technical literature but the needs of users who have shared their stories of setbacks and solutions. We take pride in building actionable reliability and practical support into every order, thriving on those conversations with researchers and plant managers who move new chemistry from the whiteboard to the production line, knowing each shipment constitutes a direct answer to their challenges.