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Dithiooxamide

    • Product Name Dithiooxamide
    • Alias rubeanic acid
    • Einecs 205-736-8
    • 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
    VTB
    Specifications

    HS Code

    697403

    Chemical Name Dithiooxamide
    Synonyms Rubeanic acid
    Molecular Formula C2H4N2S2
    Molar Mass 120.25 g/mol
    Cas Number 79-40-3
    Appearance Greenish-yellow crystalline powder
    Melting Point 202–205 °C (decomposes)
    Solubility In Water Slightly soluble
    Boiling Point Decomposes before boiling
    Density 1.52 g/cm³
    Odor Odorless

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

    Packing & Storage
    Packing Dithiooxamide, 25g, is packaged in a sealed amber glass bottle with a tamper-evident cap and hazard labeling.
    Shipping Dithiooxamide should be shipped in tightly sealed containers, protected from moisture and incompatible substances, such as oxidizers. It must comply with local, national, and international transport regulations for hazardous chemicals. Adequate labeling and documentation are required. Handle with care and ensure suitable ventilation during transportation to minimize exposure risks.
    Storage Dithiooxamide should be stored in a tightly closed container, in a cool, dry, and well-ventilated area, away from incompatible substances such as strong oxidizers and acids. Protect it from moisture and sources of ignition. Store at room temperature, and ensure proper labeling and secure shelving to avoid accidental spillage or mixing. Use secondary containment to prevent environmental contamination.
    Application of Dithiooxamide

    Applications of Dithiooxamide in Industrial Manufacturing

    Dithiooxamide serves as a key intermediate and selective agent across multiple specialized industries. Below, we detail validated downstream sectors that incorporate this chemical, highlighting its unique function within their established regulatory, formulation, and production frameworks.

    1. Precious Metal Detection and Quantification in Analytical Laboratories

    Analytical laboratories use dithiooxamide as a chromogenic reagent for the detection and quantitative determination of nickel and copper ions. Its highly specific reactivity enables gravimetric and spectrophotometric analysis, supporting trace impurity assessments in metals, environmental samples, and industrial materials. The compound interacts with labile metal complexes during wet chemistry steps, ensuring accurate detection aligned with industry protocols for research and compliance-driven testing.

    Industry compliance standards

    • ISO/IEC 17025 Laboratory Accreditation
    • ASTM E399-17 for chemical analysis sample preparation
    • EPA SW-846 Methods 3050B, 6010D for heavy metal testing
    • REACH Regulation (EC) No 1907/2006 for reagent use

    Typical usage ratio

    • 0.05–0.2% (w/v) in aqueous testing solutions, adjusted based on sample volume and sensitivity required for detection limits down to ppb level

    Downstream process integration

    • Introduced in the sample preparation stage, either after digestion or complexation, followed by visual colorimetric assessment or absorbance measurement

    Final product types

    • NIST-traceable analytical standards
    • Certified environmental monitoring reports
    • Industrial batch quality certificates for metal alloys
    • Laboratory-developed test kits

    2. Electroplating Bath Additive for Nonferrous Metal Plating

    Electroplating operations use dithiooxamide as an additive to regulate nickel and copper ion behavior in plating baths. It acts as a selective chelating agent, minimizing impurities and optimizing deposit uniformity on substrates including printed circuit boards and decorative components. During controlled addition to working baths, the compound reduces over-deposition and suppresses undesirable by-products, supporting high-purity surface finishes under stringent industry audits.

    Industry compliance standards

    • RoHS Directive 2011/65/EU for electronic components
    • IPC-4556 for electrolytic nickel/gold plating on printed wiring boards
    • ISO 9001:2015 Quality Management Systems
    • EN 1811 for determination of nickel release

    Typical usage ratio

    • 1–5 ppm based on bath volume; specific ratio determined by copper/nickel ion concentration and desired surface finish specifications

    Downstream process integration

    • Metered into active electroplating baths after bath makeup and initial stabilization, monitored by continuous solution analysis to maintain performance parameters

    Final product types

    • Electronics connectors and contacts
    • Jewelry components
    • High-durability fasteners
    • Decorative plated trims

    3. Photographic Chemical Synthesis for Image Development

    Manufacturers of black-and-white and color photographic materials rely on dithiooxamide in the preparation of specialized developers and toners. It forms stable complexes with residual metal ions in photosensitive layers, providing precise tonal adjustment and anti-fogging during the latent image development cycle. The compound’s consistency and purity play a direct role in batch-to-batch reproducibility and compliance with archival requirements, especially in fine art and scientific imaging.

    Industry compliance standards

    • ISO 18902:2013 Imaging materials — Processed imaging materials — Albums, framing and storage materials
    • Kodak Q-13 Photographic Activity Test (PAT)
    • ANSI IT9.11 for photographic processing chemicals
    • FDA 21 CFR Part 1330 (where photographic chemicals are used in medical imaging)

    Typical usage ratio

    • 0.2–1.0% (w/v) in developer stock solutions; dosage is tuned for film or photographic paper sensitivity and target image contrast

    Downstream process integration

    • Blended in the formulation phase of concentrated developer or toner solutions, followed by dilution and integration with other developer agents prior to application in film or paper processing tanks

    Final product types

    • Professional photographic film and paper
    • Specialty graphic arts materials
    • Archival microfilm for records preservation
    • Scientific imaging sheets

    4. Catalyst Precursor in Specialty Polymer Synthesis

    Producers of advanced polymers and specialty plastics utilize dithiooxamide as a ligand for homogeneous and heterogeneous catalysis systems, particularly in cross-coupling and metal-assisted ring-opening polymerization reactions. Its chelating structure facilitates formation of nickel and copper catalyst complexes with tailored reactivity, which increases control over polymer molecular weight and architecture in high-value engineering resins and block copolymers. Robust traceability aligns with process safety and end-use certification.

    Industry compliance standards

    • ISO 9001:2015 for polymer manufacturing
    • REACH Regulation (EC) No 1907/2006 for precursor materials
    • UL 94 flammability standard for final plastics
    • SMC/PMC industry QC protocols (where applicable)

    Typical usage ratio

    • 0.01–0.1 mol% relative to metal catalyst loading, with precise adjustment based on targeted polymerization kinetics, feedstock purity, and desired resin properties

    Downstream process integration

    • Combined early during catalyst complex formulation, prior to catalyst introduction in polymerization reactors, ensuring ligand distribution is uniform throughout the reaction vessel

    Final product types

    • High-performance engineering plastics
    • Thermoplastic copolymers with specialty functionalization
    • Materials for electronics encapsulation
    • Adhesives and resins for aerospace applications

    5. Metallographic Etching Agent for Quality Inspection in Metallurgy

    Advanced metallurgical labs and quality assurance departments specify dithiooxamide in their etchant mixtures for differentiation of nickel and copper-rich phases in alloy cross-sections. Its application allows precise visualization of microstructure features under optical microscopy during failure analysis, weld inspection, and alloy development programs. Preparation, use concentration, and cleaning protocols comply with occupational safety standards and enable reproducible etching of polished metal samples.

    Industry compliance standards

    • ISO 4967:2013 for the examination of inclusions in steel
    • ASTM E407-22 for microetching of metals and alloys
    • OSHA 29 CFR 1910.1200 for chemical handling and labeling
    • ISO/IEC 17025 for metallography labs

    Typical usage ratio

    • 0.1–0.5% (w/v) aqueous etchant, adjusted based on alloy matrix, etching duration, and microstructural feature depth

    Downstream process integration

    • Immersed or applied to polished specimen after mechanical preparation, followed by neutralization and cleaning prior to microscopic inspection and image documentation

    Final product types

    • Metallurgical quality inspection certificates
    • Steel and nonferrous alloy samples for industrial clients
    • Research publications with etched micrographs
    • Weld qualification reports
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    Certification & Compliance
    More Introduction

    Dithiooxamide: Crafting Purity for Complex Analysis

    Understanding Dithiooxamide from the Source

    Producing dithiooxamide has given us a deep appreciation for the fine balance between precision and reliability in chemical synthesis. As manufacturers, we've learned that true consistency starts before the first batch. Sourcing pure materials, strictly monitoring every stage, and investing in continuous training and process improvement shape the outcome more than any single piece of equipment. Dithiooxamide, recognizable by its green crystals and known to some as rubeanic acid, has long been a trusted reagent across analytical and applied chemistry. Unlike many commodity chemicals, this compound appeals to those who expect their tools not just to meet specifications, but to hold up to unforgiving research scrutiny.

    Direct from the Factory: What Our Dithiooxamide Delivers

    The green crystalline dithiooxamide we manufacture carries the model code DTO-X98. Our most requested specification delivers minimum 98% purity by titration, with trace metals kept at levels rarely found in off-the-shelf alternatives. Particle size remains fine — typically passing 100 mesh sieving — but we can discuss closer tolerances for those who need them. Moisture is closely controlled and typical water content is kept under 0.3%. We store and package in sealed, opaque drums to guard against light and air.

    Routine production is never good enough in our line of work. Every batch undergoes HPLC and mass spectrometric confirmation, not just paper spot tests. That means real-world users — from academic researchers to industrial process engineers — get materials that behave as expected, lot after lot. That reliability provides both straightforward efficiency and real peace of mind in labs where results need to stand up to peer review or regulatory oversight.

    Usage: Why Dithiooxamide Matters in Precision Analysis

    In our experience, dithiooxamide serves as a diagnostic touchstone for heavy metals, especially copper and nickel. The vivid, stable complexes it forms simplify detection and quantitation even at low concentrations. We spend a lot of time talking to analytical chemists who need certainty in their colorimetric assays. They care about the dye's reactivity, clarity of endpoint, and lack of false positives — all of which turn on the reagent's purity and the absence of interfering contaminants.

    This reagent’s reliability emerges in titrations and qualitative spot tests that others often call 'old-school', but which stay in place because nothing matches their clarity and speed. One example stands out for anyone handling mining output or electroplating: dithiooxamide detects minute traces of copper ions even in complex sample matrices. The characteristic black precipitate with copper provides a robust signal — and when the reagent holds up across batches, users stop wasting time verifying the quality of the small stuff and focus on the bigger picture.

    We see the same demand from users characterizing nickel — where organic ligands often have unpredictable side reactions and store shelf reagents introduce unwanted impurities. Our dithiooxamide, with impurity profiles tightly controlled, reliably produces the anticipated color reaction. Experienced users often share how much this reduces time wasted on ambiguous results or rerunning tests.

    For those developing or updating protocols, using our dithiooxamide helps reduce troubleshooting and false readings so energy goes into true process improvement rather than error correction. To someone new to the field, such practical reliability may sound minor; to those on tight timelines who can't afford repeat analysis, it becomes indispensable.

    Dithiooxamide: Where Our Product Stands Apart

    Over many years of hands-on production, it becomes clear that not all dithiooxamides are created equal. As manufacturers, we've learned where differences show, even if packaging looks the same. Generic commercial sources often group the product under broad purity claims. We never take those labels at face value. Each time we put our DTO-X98 through further testing, we find deviations in off-the-shelf lots — especially in trace contaminants and lot-to-lot consistency.

    Customers running classical copper assays have told us how off-colour or poorly-reacting samples ruined whole days’ worth of testing. Some alternative sources may use recycled feedstock or less stringent crystallization processes, introducing side products that, while legal, alter test outcomes. In our facility, deliberately slow crystallization and focused purification are essential. Quick-and-dirty methods produce a compound that might 'look' right on a quick inspection, but fails under tight QC or long-term storage.

    We never mix batches or cut corners on intermediate purification. Technicians directly compare three or four process flows every year, always looking for anything that might lower background signals or residual solvent traces. This cumulative experience lets us predict what will trip up a sensitive user — and adapt before a problem occurs. Regular customers report that these efforts mean they can use our dithiooxamide in applications where generic types fall short, like trace-level validations and certifying reference materials.

    Beyond Analysis: Dithiooxamide in Practical Synthesis

    Outside analytical chemistry, dithiooxamide has a place as an intermediate for specialty ligands in synthesis. Organometallic labs come to us for the consistency only direct manufacturing can guarantee. In these settings, the subtle impurities tolerated by distributors or resellers can disrupt downstream yields or introduce unanticipated products. Direct sourcing helps labs take control of their process and minimize variability. Several customers have pointed out that our material, after custom filtration or modification in-house, delivers greater batch-to-batch reliability even after they reshape it for advanced synthesis.

    Small volume users — jewelry and metalsmiths focused on artisanal copperwork, for example — value the immediacy of visual spot checks during refining. Assay reliability becomes a practical necessity as many regulatory standards now require detailed trace metal documentation. We find that the balance between ease of use and rigorous traceability keeps dithiooxamide in steady demand outside textbook chemistry, in everything from artwork authentication to electronics recycling.

    What Sets Pure Dithiooxamide Apart from Other Choices

    In our daily work, we see why some customers try commodity offerings, then return to direct-from-manufacturer grade. Standard batches from non-manufacturing sources often claim high purity, but overlook the residual metal ions and post-synthesis remnants that dampen true response in precision detection. Common problems include slow reaction rates, ambiguous color changes, and contamination from unidentified side-products.

    Our material never pools with others — traceability begins with distinct batch isolation, not just a number on a label. Strict in-house documentation and batch retention samples create an archive of reliability. For major clients, we can produce to even more stringent standards using proprietary purification routines, designed to eliminate non-chelated residuals that would otherwise slip through.

    Competing products sometimes substitute blends or claim broad-spectrum compatibility rather than focusing on individual performance in specific reactions. We refrain from such practices, preferring to let consistent real-world performance communicate value. Customers trust us because every stage from chemical selection to final packaging receives full attention — and our willingness to provide full disclosure on batch testing data reflects the transparency at the core of all our production.

    Facing Challenges in Making and Supplying Dithiooxamide

    Our experience as manufacturers includes working through plenty of bottlenecks. Dithiooxamide’s synthesis itself poses challenges typical of sulfur-containing organic chemicals: pungent intermediates, difficult filtration, and cleaning steps that require near-military discipline. We routinely replace seals and inspect gaskets since the process erodes softer parts. Upgrading to corrosion-resistant alloys or PTFE-lined piping has made an outsize difference.

    Every time we see downstream users report unexpected signal drop-off or unstable test results, we trace root causes. Most often, the answer leads back to overlooked batch impurities or small lapses in moisture control. Fixing these issues takes more than paperwork; it involves tough choices about blending speed, cooling rates, and how long to allow mother liquor to settle.

    We maintain close relationships with our suppliers for solvents and starting thioureas, accepting only those who match our standards for elemental purity and trace contamination histories. This attention to feedstock keeps costs a bit higher, but our customers are in industries where a single outlier result costs much more than a few cents per gram of reagent.

    Solutions for Reliability and a Better Dithiooxamide Supply Chain

    Maintaining the quality and integrity of dithiooxamide demands more than QC at the end of the line. We commit to continuous investment in both upstream vetting and staff training. For instance, we allow technicians to pause any batch if they see or smell a deviation from standard, backed up by full management support. This type of worker empowerment removes fear of lost output and encourages problem solving, which most quality slips are too subtle for software alone to catch.

    Transparency has earned us a reputation for usable, predictable product. All customers, large or small, get copies of batch-level analysis. Open lines of communication mean we can adjust granulation, container size, or packaging protocols to meet highly specific needs. Some clients require tamper-evident seals; some need confirmation of storage temperatures during transit. We offer these not as optional extras, but as part of understanding the real-world pressures our customers face. Our internal systems support rapid response — not just to complaints, but to proactive suggestions about handling, documentation, and even disposal methods.

    Looking Ahead: The Role of Dithiooxamide in Future Analytical Work

    Over the years, we have seen research needs shift alongside technology, but dithiooxamide remains a constant in trace metal chemistry. As environmental monitoring tightens and health standards become more rigorous, reliable detection of metal contaminants will only grow more critical. Several clients in water analysis, for example, are pushing detection limits lower each year, and count on our product’s sharp response to meet public reporting requirements.

    The who and why behind dithiooxamide use change, but underlying demands don't: purity, reliability, and rapid support. Whether it’s a graduate student mapping out environmental copper in sediment cores, or a factory quality-control manager tracking nickel plating, the compound provides actionable results. Our hope is that through direct manufacturing and open customer relationships, we help users focus less on the uncertainties of inputs and more on solving the complex puzzles in front of them.

    Why Experience Matters in Manufacturing Dithiooxamide

    All the codebooks and analytic tools in the world can’t replace hands-on craft and institutional memory. In our factory, people with decades at the bench catch shifts in odor, color, or batch behavior that computers miss. Their judgment has prevented loss more often than we can count. We invest not just in automation, but in cultivating next-generation chemists who understand why procedures matter and can intervene early.

    Changes in the supply chain, price pressures, and global events have forced many chemical producers to cut corners. We continue investing in the skills and equipment needed for high-integrity manufacturing. Between tight control of process water, regular raw material audits, and commitment to pure batch segregation, we deliver dithiooxamide that stands apart in the marketplace, ready for uses where precision and dependability can't be left to chance.

    Final Perspective: Building Trust, Not Just Selling a Product

    What earns us repeat customers isn't any single certificate or audit — it’s standing behind the material and people who make it. By holding onto a philosophy that prizes transparency, tight production controls, and open feedback, we help our customers succeed in their work. Our approach isn’t about maximizing every penny; it’s about sharing in scientific progress and making sure nobody’s experiment fails for lack of a reliable reagent.

    As chemical manufacturing moves forward, we expect demands on specialty molecules like dithiooxamide to keep rising, both in complexity and volume. We will continue adapting our processes, retraining staff, and seeking new efficiencies — all while standing firm on those basic practices that make results trustworthy, batch after batch. The path hasn’t always been easy, but our customers deserve more than the minimum standard. They deserve a partner invested in true, sustainable quality, from raw material to final test tube.