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Disodium Methylarsonate

    • Product Name Disodium Methylarsonate
    • Alias MSMA
    • Einecs 240-028-2
    • 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

    394365

    Chemical Name Disodium Methylarsonate
    Synonyms DSMA, Methylarsonic acid disodium salt
    Molecular Formula CH2AsNa2O3
    Molar Mass 176.93 g/mol
    Appearance White crystalline powder
    Solubility In Water Highly soluble
    Melting Point Decomposes before melting
    Cas Number 144-21-8
    Usage Herbicide
    Stability Stable under normal storage conditions
    Density 2.4 g/cm3

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

    Packing & Storage
    Packing Disodium Methylarsonate is packaged in a sealed, labeled 25 kg fiber drum, featuring hazard symbols, product details, and safety instructions.
    Shipping Disodium Methylarsonate should be shipped in tightly sealed, corrosion-resistant containers, clearly labeled with appropriate hazard warnings. It must be transported following local, national, and international regulations for hazardous materials, especially toxic substances. Avoid exposure to moisture and extreme temperatures. Ensure proper documentation and safety data accompany the shipment for safe handling and compliance.
    Storage Disodium Methylarsonate should be stored in a tightly sealed container in a cool, dry, and well-ventilated area, away from incompatible materials such as strong oxidizers and acids. Avoid exposure to moisture and direct sunlight. The storage area should be clearly labeled, secure, and designed to prevent unauthorized access, with appropriate chemical spill containment measures in place.
    Application of Disodium Methylarsonate

    Applications of Disodium Methylarsonate in Industrial Manufacturing

    As a dedicated manufacturer of Disodium Methylarsonate, we supply industrial customers operating in specialized sectors where consistent quality, traceability, and regulatory compliance drive downstream integration. The following sections specify validated application fields, providing focused details on accepted use standards, recommended formulation ranges, processing roles, and the resultant manufactured products.

    1. Selective Herbicide Production for Agricultural Use

    Industrial producers incorporate Disodium Methylarsonate for the synthesis of post-emergent, contact herbicides, principally targeting grass and broadleaf weeds in rice, cotton, and turf management. The compound fits application portfolios where efficacy against glyphosate-resistant weeds is essential, and its formulation parameters undergo adjustment based on regional registration and local weed species prevalence.

    Industry compliance standards

    • FAO Specification for Plant Protection Products
    • US EPA FIFRA guidelines (40 CFR Part 180)
    • EU Regulation (EC) No 1107/2009 on Plant Protection Products
    • China ICAMA Pesticide Registration Regulation

    Typical usage ratio

    • Active content in finished herbicide formulations: 36–48% w/w, subject to crop and application method. Manufacturers adjust the ratio according to target weed spectrum and mandated maximum residue limits.

    Downstream process integration

    • Added at the concentrate dilution phase in liquid herbicide blending tanks, following solvent and surfactant incorporation. Integration includes batch QC for assay and impurity checks prior to packaging.

    Final product types

    • Emulsifiable concentrate herbicides
    • Water-soluble granular herbicides
    • Ready-to-spray aqueous solutions

    2. Active Ingredient in Industrial Algaecides

    Downstream formulators in water management rely on this ingredient for manufacturing fast-acting algaecides, controlling aquatic weeds and filamentous algae especially in irrigation canals, water reservoirs, and non-food crop fountains. Formulation design prioritizes stability under storage and targeted biocidal performance under variable pH conditions.

    Industry compliance standards

    • US EPA Office of Pesticide Programs guideline 40 CFR 156
    • NSF/ANSI Standard 60 for Drinking Water Treatment Chemicals (excluded from potable water use but followed for byproducts control)
    • Canadian Pest Control Products Act (PCP) regulatory submission
    • Occupational Safety and Health Administration (OSHA) Hazard Communication Standard

    Typical usage ratio

    • Active ingredient level: 15–30% w/w in final algaecide formulations. Actual dose delivered to target water body: 0.5–5 ppm as arsenic equivalent, calculated based on surface area and biomass load.

    Downstream process integration

    • Incorporated during the batch mixing stage with chelators and anti-precipitation agents, followed by sequential QC for pH, settling properties, and residual arsenic analysis post-formulation.

    Final product types

    • Drip-application algaecide concentrates
    • Direct application algaecide granules
    • Pond and canal treatment solutions

    3. Synthesis of Arsenic-based Laboratory Reagents

    Specialty chemical manufacturers process Disodium Methylarsonate as a precursor for advanced analytical reagents, supporting qualitative and quantitative detection of sulfhydryl and phosphate groups in laboratory R&D and diagnostic contexts. Quality control emphasizes high purity and batch traceability, enabling consistent results across diverse analytical protocols.

    Industry compliance standards

    • ACS Reagent Chemicals (American Chemical Society specifications)
    • ISO 9001:2015 Quality Management Systems for Analytical Reagent Production
    • REACH Regulation (EC) No 1907/2006 for laboratory chemicals
    • GHS Labelling per OSHA 29 CFR 1910.1200

    Typical usage ratio

    • Reagent-grade production utilizes 98–100% pure material, dosed at 0.5–5% w/w in final preparations, depending on target assay sensitivity and standard operating procedures.

    Downstream process integration

    • Integrated during the buffer or solvent preparation stage. Subjected to re-crystallization or filtration steps to achieve target grade, with finished product undergoing HPLC or titration QC before packaging in HDPE or borosilicate bottles.

    Final product types

    • Arsenate standard solutions for analytical calibration
    • Chromogenic detection kits (lab use only)
    • Spectral analytical reference materials

    4. Formulation Component in Agrochemical Research and Field Trials

    Leading agrochemical developers utilize this material for field research and experimental plot trials to evaluate agrotoxicological profiles and resistance management strategies. Controlled pilot batch production ensures traceable dosing and compositional integrity throughout the development lifecycle, meeting institutional and regulatory requirements for investigational use.

    Industry compliance standards

    • OECD Principles of Good Laboratory Practice (GLP)
    • FAO/WHO Joint Meeting on Pesticide Residues (JMPR) trial design
    • US EPA Subdivision U – Experimental Use Permits (EUPs) for pesticides
    • ISO 14001:2015 Environmental Management for research plots

    Typical usage ratio

    • Pilot batch formulations typically contain 25–40% w/w of active material. Research trial application rates range from 1–3 kg/ha, adjusted for soil type, plot dimensions, and local environmental risk assessments.

    Downstream process integration

    • Mixed in process-controlled pilot reactors, followed by filtration and small-volume drum packaging. Documentation includes batch traceability, certificate of analysis for trial sponsors, and storage under controlled access.

    Final product types

    • Experimental agrochemical blends for supervised field application
    • GLP-approved research chemicals
    • Pilot trial reference solutions

    5. Precursor in Semiconductor Wet Chemical Etchants

    Specialized electronic materials manufacturers source this chemical as a component in custom etchant solutions for semiconductor fabrication, targeting patterned removal of specific metal oxides where arsonic acid derivatives provide controlled etch rates and selectivity under cleanroom conditions. Production maintains rigorous purity and contaminant control to minimize substrate defects during microfabrication processes.

    Industry compliance standards

    • SEMI C93 Specification for Etchant Chemicals
    • IEC 61340 Electrostatics Standards
    • ISO 14644 Cleanroom Certification
    • RoHS Exemption Management (where relevant for process chemicals)

    Typical usage ratio

    • Included at 0.1–2% (v/v) in custom etching baths, with concentrations specifically tailored to film thickness, target oxide, and pattern geometry. Adjustments rely on real-time monitoring of etch profiles.

    Downstream process integration

    • Dosed into pre-mixed solvent blends at automated chemical delivery stations in cleanroom environments, often following filtration through 0.2-μm cartridges. Subjected to real-time QC for trace metal content and ionic contamination before use at the wafer bath stage.

    Final product types

    • Chemical etchant solutions for semiconductor wafer fabrication
    • Microelectronic substrate cleaning fluids
    • Patterned oxide removal baths
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    Certification & Compliance