Diethyl methylphosphonate Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 683-08-9 |
| Product name | Diethyl methylphosphonate |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Agricultural GradeMaterial GradeSpecialty GradeIndustrial Grade |
| Packaging | 25KG/bag |
| Sample | Test Samples Available (Click to Request Samples) |
| COA | View COA |
| Price | Get Quote |
| Supply Type | Bulk / Contract manufacturing / OEM |
| Shipping | FCL / LCL available |
| Payment Terms | Support FOB \ CIF \ EXW quotations, and accept Letter of Credit (L/C). |
| Manufacturer | Greenrock Chemical(China Factory) |
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Documents We Provide for Diethyl methylphosphonate
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk Diethyl methylphosphonate Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of Diethyl methylphosphonate
| Industry | Application | Process |
|---|---|---|
| Pharmaceuticals | Used as an organophosphorus intermediate for synthesizing antiviral agents (e.g., foscarnet) and other phosphorus-containing active pharmaceutical ingredients | Carbon–phosphorus bond formation via nucleophilic substitution or Horner–Wadsworth–Emmons (HWE) reaction |
| Pesticides | Used as a synthetic intermediate for organophosphorus pesticides (e.g., herbicides, insecticides) | Involved in condensation, alkylation, and related reactions to prepare target pesticide compounds |
| Materials Science | Used in the production of flame retardants and phosphorus-containing functional polymers | Phosphonate ester structures are incorporated via transesterification, addition polymerization, and similar processes to enhance flame retardancy |
| Chemical Synthesis | Used as a Horner–Wadsworth–Emmons (HWE) reagent for olefination of aldehydes and ketones | Reacts with aldehydes under basic conditions to generate α,β-unsaturated esters |
| Defense/Specialty Chemicals | Used in certain cases as a simulant or research compound for nerve agents (authorized use only) | Serves as a structural analog in detection method development and protective research |
Manufacturing Quality Control of Diethyl methylphosphonate
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | Gas Chromatography (GC) with FID detection | Quantitative determination based on peak area comparison against a certified reference standard using a non-polar capillary column. |
| Water Content | Karl Fischer Titration (Coulometric mode) | Electrochemical titration where iodine is generated in situ to react stoichiometrically with water; endpoint detected amperometrically. |
| Acidity (as H3PO4) | Acid-Base Titration with NaOH | Neutralization of acidic impurities using standardized sodium hydroxide solution and potentiometric or phenolphthalein endpoint detection. |
| Color | APHA Color Scale (Visual or Spectrophotometric) | Comparison of sample color to platinum-cobalt standards using visual assessment or spectrophotometric measurement at 455 nm. |
| Density at 20 C | Digital Density Meter (Oscillating U-tube) | Measurement of sample density via resonant frequency shift of a vibrating U-shaped tube filled with the liquid. |
| Refractive Index at 20 C | Abbe Refractometer | Determination of refractive index by measuring the critical angle of total internal reflection at the prism-sample interface. |
| Residue on Evaporation | Gravimetric Analysis (Weight Loss on Drying) | Evaporation of a known mass of sample under controlled temperature and vacuum, followed by weighing of non-volatile residue. |
| Chloride Content | Ion Chromatography (IC) with Conductivity Detection | Separation of chloride ions on an anion-exchange column and quantification via suppressed conductivity detection. |
| Heavy Metals (as Pb) | Atomic Absorption Spectroscopy (AAS) after wet ashing | Digestion of organic matrix followed by flame or graphite furnace AAS measurement of lead absorption at 283.3 nm. |
| Phosphorus Content | Inductively Coupled Plasma Optical Emission Spectrometry (ICP-OES) | Total phosphorus quantification after acid digestion by measuring characteristic emission line intensity (e.g., 213.6 nm). |
| Diethyl Phosphite Impurity | Gas Chromatography-Mass Spectrometry (GC-MS) | Identification and quantification of diethyl phosphite using retention time and characteristic mass fragments (e.g., m/z 125, 109). |
| Ethanol Impurity | Headspace Gas Chromatography (HS-GC) with FID | Analysis of volatile ethanol in equilibrium vapor phase above sample using GC separation and flame ionization detection. |
Technical Specifications of Diethyl methylphosphonate
| Test Item | Specification |
|---|---|
| Appearance | Colorless to pale yellow liquid |
| Purity | >=98.5% |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=1.5% |
| Single Impurity | <=0.5% |
| Refractive Index (n20/D) | 1.432–1.438 |
| Relative Density (20°C/25°C) | 1.075–1.085 g/cm³ |
| Odor | Characteristic ester-like odor |
Specifications vary by industry. Reach out to our technical experts for a COA tailored specifically to your application. Email:selse@GRchemical.com
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Download COA of Diethyl methylphosphonate
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
Packaging of Diethyl methylphosphonate
Industrial Diethyl methylphosphonate Procurement FAQ
1. How do you ensure product quality consistency?
We rely on a mature China-based manufacturing system and implement strict batch control and quality inspection for every shipment. Our production process complies with ISO 9001 standards, and a COA is provided for each batch to ensure consistent and reliable quality.
2. Do you offer competitive pricing for bulk orders?
Yes, as a China-based manufacturer and bulk supplier, we provide tiered pricing based on order volume. We support FOB and CIF quotations, as well as L/C payment terms for large transactions to meet international trade requirements.
3. Can you support large-volume or long-term supply?
We have stable production capacity and a well-established supply chain, enabling continuous bulk supply. We support ton-level and container-level orders, as well as long-term cooperation projects.
4. What is your typical lead time?
For in-stock products, shipment can be arranged within 1–3 days. For bulk packaging or customized orders, lead time depends on the specific quantity and production schedule.
5. What documents do you provide?
We can provide complete documentation upon request, including COA, SDS, TDS, and other compliance certificates, meeting industrial procurement and export requirements.
6. Can you customize product specifications or packaging?
Yes, we support customization of parameters such as purity, impurities, residual solvents, and heavy metals. We also offer various bulk packaging options, including 25kg bags, drums, and IBC tanks, suitable for industrial applications and transportation.
7. What shipping options do you support?
We support both FCL (Full Container Load) and LCL (Less than Container Load) shipments, and can flexibly arrange logistics solutions based on order size to meet bulk chemical export needs.
8. Do you provide technical or application support?
Yes, we provide basic application guidance and technical support based on industry experience to help customers optimize product usage.
9. How do you handle compliance and export regulations?
We are familiar with international trade and export regulations, ensuring all products comply with relevant requirements. We also provide complete documentation to support smooth customs clearance and global delivery.
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