Tengfei Creation Center,55 Jiangjun Avenue, Jiangning District,Nanjing admin@sinochem-nanjing.com 3389378665@qq.com
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Calcium Amide

    • Product Name Calcium Amide
    • Alias Calcium cyanamide
    • Einecs 215-699-0
    • 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

    562149

    chemical_name Calcium Amide
    formula Ca(NH2)2
    molar_mass 64.12 g/mol
    appearance White to grayish powder
    density 2.50 g/cm3
    melting_point 582°C
    solubility_in_water Reacts with water
    CAS_number 643-81-0
    main_uses Fertilizer, chemical synthesis, desiccant
    boiling_point Decomposes before boiling
    odor Ammonia-like
    pH Strongly basic in water

    As an accredited Calcium Amide factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing Calcium Amide is packaged in a 25 kg net weight, tightly sealed HDPE drum with proper hazard labeling and moisture protection.
    Shipping Calcium amide should be shipped in tightly sealed containers, clearly labeled, and protected from moisture and incompatible substances. It must be handled as a hazardous material (UN 1405), following all relevant regulations for toxic and corrosive substances. Transport under dry conditions and in accordance with local, national, and international guidelines.
    Storage Calcium amide should be stored in a cool, dry, and well-ventilated area, away from moisture and incompatible substances such as acids and oxidizers. It must be kept tightly sealed in containers made of materials resistant to strong bases. Since it reacts violently with water, storage areas should be free from humidity, and handling should minimize exposure to air and moisture.
    Application of Calcium Amide

    Applications of Calcium Amide in Industrial Manufacturing

    Our factory specializes in the industrial-grade production of calcium amide, supporting a range of core downstream manufacturing processes. On this page, we outline the primary industrial application scenarios where our material consistently fulfills specific requirements in large-scale operations. Each segment details actual regulatory standards, blending ratios, incorporation stages, and the finished goods produced by our major purchasing partners.

    1. Nitrogen-Based Fertilizer Synthesis

    Large fertilizer plants employ calcium amide as a primary nitrogen donor for specialty fertilizers, especially where conventional urea or ammonium nitrate does not match the required slow-release profile or alkaline soil compatibility. Operators introduce calcium amide into the early neutralization phase, where reaction temperatures must be tightly controlled to maximize ammonia release without excessive degradation. The resulting granular and powdered fertilizers are used extensively for targeted agricultural applications in alkaline soils, supporting cash crops with distinct nutritional demands.

    Industry compliance standards

    • FAO Fertilizer Quality Control Guidelines
    • ISO 8157:2021 Fertilizers – Sampling and Sample Preparation
    • GB/T 29401-2012 Fertilizer Physical Properties Testing

    Typical usage ratio

    • 5% – 18% by dry weight of finished fertilizer blend, adjusted for required nitrogen content and blending with secondary nutrients

    Downstream process integration

    • Added to blending tank or agitated mixer during the neutralization or reaction phase, immediately before granulation or prilling

    Final product types

    • Granular slow-release fertilizers for field crops
    • Nitrogen-rich base fertilizers for controlled-environment agriculture
    • Custom alkaline soil amendments with extended nitrogen availability

    2. Cyanamide Intermediate in Pharmaceutical Synthesis

    Our industrial customers in the pharmaceutical intermediate sector utilize calcium amide as an effective source of cyanamide in the synthesis of anti-hypertensive agents, herbicide precursors, and other specialty molecules. The substance reacts with water or other suitable reagents to generate cyanamide in situ, supplying pharmaceutical-grade manufacturers with a scalable route to this vital building block. Stringent GMP audits demand traceable sourcing, especially in validated synthesis campaigns for regulated APIs.

    Industry compliance standards

    • ICH Q7 Good Manufacturing Practice Guide for Active Pharmaceutical Ingredients
    • EU GMP Annex 1: Manufacture of Sterile Medicinal Products (as precursor synthesis)
    • USP-NF General Chapter <1086> Impurities: Drug Substances and Drug Products

    Typical usage ratio

    • 1.5% – 5% of the reaction mixture, calculated by molar requirements of desired cyanamide yield

    Downstream process integration

    • Dosed in the initial step of multi-stage API/intermediate synthesis, following validated SOPs to ensure compliant reagent management and waste control

    Final product types

    • Cyanamide-based pharmaceutical intermediates (e.g., guanidine derivatives)
    • Precursor compounds for anti-hypertensive agents
    • Custom intermediates for veterinary APIs

    3. Dehydrating Agent in Organic Synthesis and Dye Manufacturing

    Major pigment and dye manufacturers depend on calcium amide as a strong dehydrating agent in the preparation of colorant intermediates and specialized azo dyes. By facilitating water elimination in condensation or ring-forming steps, calcium amide enhances both process yield and pigment purity. Operators carefully meter its addition to manage exothermicity during batch or continuous-flow manufacturing, where final quality depends on stringent moisture and impurity control.

    Industry compliance standards

    • REACH Regulation (EC) No 1907/2006: Registration and safe use requirements
    • ISO 9001:2015 Certified Dye Manufacturing Process
    • OECD Guidelines for Testing of Chemicals (relevant for pigment performance)

    Typical usage ratio

    • 2% – 10% by mass in the reaction matrix, tailored to substrate reactivity and moisture content

    Downstream process integration

    • Introduced during the dehydration or cyclization phase, often under inert atmosphere to avoid hydrolysis

    Final product types

    • Reactive azo dye intermediates
    • Organic pigment base compounds
    • Dyestuff precursors for textile and ink industries

    4. Desulfurization in Metal Heat Treatment

    Leading metals processing companies use calcium amide in the desulfurization of molten ferrous alloys. Its high affinity for sulfur allows engineers to efficiently remove sulfur contaminants from steel and iron, producing cleaner castings and forgings that meet advanced performance requirements. The reagent is charged directly into the melt at specific intervals, where precise addition prevents excessive foaming and loss of key alloy constituents. This application supports compliance with low-sulfur steel standards used in critical infrastructure and automotive parts.

    Industry compliance standards

    • AISI/SAE J403: Chemical Compositions of SAE Carbon Steels
    • ISO 4948-1:1982 Standardization of steel – Classification
    • GB/T 700-2006 Carbon Structural Steels (China)

    Typical usage ratio

    • 0.2% – 1.2% by weight of the molten metal batch, adjusted based on sulfur content and melt volume

    Downstream process integration

    • Charged to the ladle or melting furnace immediately before casting, during secondary metallurgical treatment

    Final product types

    • Low-sulfur steel billets and ingots
    • High-purity iron for automotive and mechanical parts
    • Alloyed ferrous castings for pipelines and structural steelwork

    5. Catalyst in Organic Alkylation Reactions

    Producers of agrochemical and specialty polymer monomers introduce calcium amide as a catalyst for specific alkylation and condensation reactions. Its strong basicity and reactivity with certain halides enable high-conversion yields in controlled batch processes, especially for the production of chlorinated hydrocarbon intermediates. Quality assurance teams monitor catalyst performance via inline analysis to ensure reproducibility and minimize side reactions in sensitive downstream transformations.

    Industry compliance standards

    • ISO 14001:2015 Environmental Management for Chemical Plants
    • ACC Responsible Care Management System
    • National Fire Protection Association (NFPA) Process Safety Codes (as related to catalyst handling)

    Typical usage ratio

    • 0.3% – 3% of starting material weight, altered by substrate reactivity and desired conversion efficiency

    Downstream process integration

    • Added directly to jacketed reactors at the alkylation stage, often under nitrogen to exclude atmospheric moisture and oxygen

    Final product types

    • Chlorinated hydrocarbon intermediates
    • Precursor molecules for selective herbicide synthesis
    • Specialty polymer building blocks

    6. Carbamate Pesticide Formulation

    Pesticide formulators utilize calcium amide for the in situ generation of intermediates during carbamate synthesis. The controlled reactivity supports production of a range of soil-applied and foliar carbamate products, where clear traceability and documented compliance with agricultural regulations are mandatory for export. The formulation phase benefits from the stable granulation properties imparted during the use of calcium amide, simplifying downstream powder handling and end-use application on the farm.

    Industry compliance standards

    • FAO/WHO International Code of Conduct on Pesticide Management
    • OECD Guidelines on Pesticide Product Chemistry
    • China GB/T 1600-2001 Pesticide Technical Material (applicable for export compliance)

    Typical usage ratio

    • 1% – 7% by mass, varying according to batch scale, active ingredient concentration, and regional registration requirements

    Downstream process integration

    • Incorporated during the primary synthesis step of carbamate pesticide actives, prior to final drying and pelleting formulation

    Final product types

    • Granular and wettable powder carbamate pesticides
    • Soil treatment agrochemical products
    • Seed treatment pesticide actives
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    Certification & Compliance
    More Introduction

    Calcium Amide: A Reliable Choice from Our Factory Floor

    Commitment to Purity and Consistency

    We manufacture calcium amide using tightly controlled processes that begin with select raw materials. Years of direct handling and observation have proven to us that deviations in starting material or reaction conditions mean real headaches during both production and application. Our team starts with pure calcium carbide and runs state-of-the-art ammonia conversion, designed for optimal efficiency. Each batch emerges under strict temperature and moisture control because calcium amide reacts with more than just chemicals; even a bit of stray moisture can turn a steady operation into downtime. Our technical staff keep eyes and hands on every step. Our equipment gets deep-cleaned and reviewed frequently—hidden contamination between batches drops purity, sometimes by half a percent or more, which has a direct effect on how the material performs in synthesis.

    Model Options and Practical Specification Choices

    We have two standard models for calcium amide—lump and granular. Each comes with its own specific advantages, and after years of fielding feedback from production supervisors and R&D chemists, we’ve learned which profiles work for which jobs. Our lump variant—CaNH2, white to pale gray blocks—has remained the backbone for customers running high-temperature batch reactions. Higher density means better control during gradual feed processes; those who have dealt with irregular particle sizes in the past know what erratic heat release and uneven reactivity can do to a reactor line. The granular model comes screened to a uniform size, made for automated dosing systems, and for those applications where a quick and consistent reaction profile cuts both time and cost. Factory floormen have repeatedly told us that clean granules save on hopper blockages and cleanup—issues that drive up labor cost in a big way over months of continuous operation.

    Purity is our main benchmark. Over the years, we’ve seen the impact of even trace contaminants—such as calcium oxide or residual ammonia—on sensitive syntheses. We push our purification steps beyond what the technical sheet asks. Final products test between 97% and 99% active CaNH2 content. Our QC department checks every outgoing lot for excessive moisture—if your shipment arrives with clumped bags, we view it as a failure on our part, so we double-wrap and store in dehumidified silos.

    Practical Uses Among Real Operations

    The most common reason that customers switch to our calcium amide is efficiency in nitrogen transfer reactions and metallurgical treatments. Repeated bench trials, and what we see in the field, show that calcium amide acts as a dependable source of active nitrogen, especially in steel nitriding lines and catalyst manufacturing. Our in-house chemists have worked dozen-hour shifts to prove that the reaction between calcium amide and water, or with certain organics, generates ammonia at rates matched only by some more dangerous or less economical chemicals.

    Farm supply manufacturers come to us for calcium amide because it brings both nitrogen and calcium into fertilizer mixes without the overly corrosive or slow-release issues of older, single-purpose chemicals. Decades back, we saw customers dealing with conventional calcium cyanamide—many would report more dust, higher toxicity, and storage issues that made workers nervous. By contrast, our product leaves fewer residues and reacts more cleanly when added to bulk blenders. End-users see a noticeable reduction in equipment corrosion, and plant operators appreciate the smoother handling during material transfer. Over the years, several have told us that switching to calcium amide translated straight into higher plant up-time and easier maintenance.

    Pharmaceutical process engineers have turned to our calcium amide for its strong basicity and ability to drive reactions that can't tolerate water. Classic sodium or potassium amide serve similar roles, but we manufacture according to specs optimized for safer handling and less off-gassing. Our material enters gloveboxes with minimal risk, because we keep sodium and potassium cross-contaminants below the ppm threshold. That direct manufacturer’s touch—rigorous source separation, individual reactor cleaning, and weekly instrument calibration—keeps confidence high among those needing pharmaceutical-grade precursors. We track batch consistency down to gram-level records, so if a formulation changes, we spot it before it leaves the gate.

    Comparisons to Other Nitride Sources and Alkali Amides

    We’ve watched the market experiment with substitutes like calcium cyanamide, sodium amide, and various alkali metal mixtures. The main headaches with sodium and potassium materials stem from their volatility and increased reactivity with ambient moisture. Many chemists we meet at industry conferences describe forklift operators refusing to move sodium amide drums without special training. Calcium amide offers markedly lower hazard profiles, especially in plant settings where skill levels vary and emergency response time can make all the difference. Historically, several customers started with sodium or potassium amide, only to switch after seeing how calcium amide lowered their incident rates and improved regulatory compliance.

    Against calcium cyanamide, our calcium amide gives greater speed and purity in nitrogen introduction—especially noticeable during steel nitriding, where off-color batches or clinker formation can ruin entire runs. Calcium cyanamide brings in more impurities and requires more labor to handle, owing to both its dustiness and chemical byproducts. We’ve seen steelmakers cut labor hours by more than 15% season-on-season after making the switch. Those who run fertilizer blending lines, meanwhile, report that calcium amide builds fewer hard residues on packaging machinery. Any reduction in plant downtime goes directly into bottom-line savings and, frankly, into worker satisfaction.

    Whenever cost and safety are in focus—two factors that stay front-of-mind for production managers trying to deliver on time and under budget—calcium amide brings a value proposition that’s hard to match. Bulk pricing remains more stable, and over twenty years of client feedback confirms that waste handling costs come in significantly below alternatives. Fewer sack ruptures, less environmental monitoring, and a distinct drop in hazardous residue disposal charges all add up over time. We run a tight cost-benefit analysis of our process against what the competition offers, regularly visiting clients to inspect how the product performs in real world conditions, not just in the lab.

    Storage, Handling, and What Years of Experience Taught Us

    Calcium amide doesn’t tolerate moisture. This fact isn’t just technical—it comes straight from the hard lessons learned during storage mishaps. Even the smallest leaks in a warehouse roof, or a hurried door left open, can trigger exothermic reactions that cause both material losses and insurance headaches. We invested heavily in modern packaging—triple-layered, laminated sacks with thermal seals—and retrain every incoming warehouse tech to spot danger signs. Our storage rooms run regular dehumidification cycles and air monitoring to prevent accidents before they start. Every time we receive photos from distributors or large volume buyers showing crisp, free-flowing product after three months on their shelves, that’s a win. The inverse, hard and cemented bags, always trace back to lapses in humidity or handling.

    Disposal and spill response remain core parts of our customer guidance. We’ve built long-standing relationships with plant safety managers who value our honest assessments over generic datasheet claims. Calcium amide can produce hazardous gases if mismanaged, and those who get caught short with inexperienced crews remember those incidents for years. Our technical support doesn’t end with the sale; we run on-site walkthroughs and remote audits because our own safety record rests, in part, on how our product behaves once it leaves our gate.

    Working with Customers to Tackle New Challenges

    Innovation in chemical manufacturing doesn’t happen in isolation. We keep our production staff in dialogue with customers tackling novel syntheses, testing catalytic routes, or switching to more sustainable raw materials. Calcium amide’s compatibility with these processes hasn’t come overnight. The upgrades we’ve made to reactor linings and purge cycles have all stemmed from real requests: “Could you cut the particle dust to improve my air extraction filters?” or “My batch times drop off when impurities cross a certain mark.” Month by month, department by department, we answer by bringing our engineers out for site visits, gathering feedback, and running pilot production alongside user teams. The resulting improvements in dust control, bulk density, and contaminant thresholds don’t show up in marketing brochures, but they mean a smoother operation day to day for chemical plants around the world.

    Our chemists love practical puzzles. If a client wants a harder granule for automated feeders, our shift supervisors adjust the compaction cycle and particle sizing screens. Specific feedback from a ceramic manufacturer in Germany pointed out how softer granules led to bridging during spray-drying; in less than a quarter, modifications to granulation settings and a switch in anti-caking agents fixed the issue. In Japan, a client running a continuous process for electronic-grade powder synthesis needed tighter quality control on calcium content. We adopted inline XRF technology to track levels in real-time, cutting out the lag between batch testing and shipment clearance.

    Environmental and Workplace Responsibility

    Operating as a direct manufacturer means we see every impact up close. We field calls from local officials whenever emissions rise above baseline. For calcium amide, waste minimization and environmental risk both factor into how we run our reactors and plan upgrades. Over the last decade, tightening regulations on ammonia release and particulate hazards have driven us to invest in flue gas scrubbers, sealed conveying lines, and advanced dust recovery systems. Last year alone, our emissions levels dropped below regulatory limits even during our busiest run-up to the spring fertilizer season.

    Wastewater management matters to us. Calcium amide breaks down rapidly in water, but careless disposal creates localized heat and gas hazards. Early in our production history, we saw a few close calls with small amounts of leftover product entering the municipal system. We moved fast, installing chemical barrier tanks and mandating secondary containment around all storage zones. Our operators participate in routine emergency response drills—response time and awareness translate directly into safer facilities.

    Customers in regions with more sensitive watershed systems get custom recommendations on runoff handling and air filtration. In India, a partner running around-the-clock fertilizer blending reached out after noticing ammonia odors in adjacent properties. We set up local exhaust controls and trained their floor staff to scan for leaks before they escalated. Reducing neighbor complaints, and keeping good standing with local regulators, matters both for our long-term business and for industry reputation. People in this business have long memories; positive word of mouth builds over decades, not in a season.

    Continuous Improvement: What Decades of Manufacturing Taught Us

    Technology and customer needs never stand still. Each tweak in plant design impacts how our calcium amide runs. We’ve rebuilt reactor linings to withstand longer cycles and abrasive feed stocks, cut downtime by investing in modular QA setups, and taken cues from end-users who pointed out seemingly minor issues that actually cost hours every month. Just last season, a batch run showed an unusual trace impurity. Our lab flagged it within hours, and after a review, we installed an extra filtration step that has since prevented a recurrence.

    Long-term safety and quality mean continuous staff training. We hold internal workshops, update SOPs, and never ignore a plausible production concern, even if it starts as an offhand comment from a control room operator. A few years back, a sudden series of clumped shipments revealed flaws in our packaging line. Line managers traced it to a brief humidity spike; now our packaging area runs dedicated air conditioning and sensors linked to automated alerts. That fix has saved five-figure sums in customer credits and reshipping costs.

    Real-World Advantages: The Manufacturer’s Perspective

    Making calcium amide isn’t about pushing tons out the door; it’s about seeing each batch perform in the field. Close relationships with buyers—from small batch research labs to major industrial customers—keep us honest. For fertilizer blenders, steelmakers, and specialty chemical producers, reliable supply and steady quality trump any short-term sales push. Our longest-serving clients measure product value not in test tube numbers, but in reduced plant shutdowns, fewer worker injuries, and smoother overall operation. We see that satisfaction in the contract renewals and in the questions we field for customized solutions.

    Every major equipment investment we make, from ammonia crackers to automated granulators, comes down to a single principle: does it make the user’s job easier, safer, and more predictable? Years in the business have shown us that materials like calcium amide affect everything from production bottlenecks to morale in the plant. When a floor supervisor calls to share that downtime dropped after switching to our product, or an R&D chemist asks about a new blend—those conversations shape our agenda more than any trade show.

    Partnering for the Future

    The next years will bring fresh challenges. More demanding environmental limits, new chemical synthesis pathways, and the push for safer, more cost-efficient materials all put pressure on manufacturers to raise their standard. We are preparing by automating further, tightening batch traceability, and working hand in hand with customers and regulators. Calcium amide has carved out a secure place in many sectors, but complacency never pays in manufacturing. We keep evolving, listening, and solving new problems.

    Every bag, barrel, and drum we pack comes with the insight earned through thousands of production cycles and countless customer calls. Our job is to ensure that whether you’re running a heavy industrial process or piloting an experimental new synthesis, you receive a product that stands up to real-world conditions—with no surprises. Suppliers come and go; manufacturers keep their reputations by delivering consistency, taking feedback seriously, and sweating every detail from factory floor to customer site.