Shandong Huashang Chemical Co., Ltd. is a high-tech enterprise focused on industry of fine chemicals research and develop, produce and sale. Shandong Huashang Chemical Co., Ltd. is located in Shan Dong Ji Nan China. we have the ability to provide you high quality products. More than 90 % of our products are exported to developed countries and regions such as north America, Europe, Japan, South Korea and the Middle East.
Basic Information
Product Name: Dimethyl methylphosphonate
CAS Number: 756-79-6
Alias: DMMP, Methylphosphonic acid dimethyl ester
Molecular Formula: C2H7O3P
Molecular Weight: 124.05
IUPAC Name: dimethyl methylphosphonate
Structural Information
- Structure Type: Organophosphorus ester compound
- Structural Features: Central phosphorus atom connected with one methyl group and two methoxy groups, polar organophosphorus structure with good solvent compatibility
Physical & Chemical Properties
- Appearance: Colorless transparent liquid
- Odor: Faint mild ester odor
- Melting Point: -50 °C
- Boiling Point: 181 °C
- Density: 1.145 g/cm3 (20°C)
- Flash Point: 87 °C
- Solubility: Miscible with water, alcohols, ketones, ethers and most organic solvents
- Stability: Stable at room temperature; slow hydrolysis under strong acid or strong alkali conditions; avoid strong oxidants
Synthesis & Applications
Production Method
Methylphosphonyl dichloride reacts with methanol under low temperature, neutralized and distilled to obtain finished product.
Main Applications
- Flame retardant additive: High-efficiency phosphorus-based flame retardant for polyurethane, epoxy resin, fiber
- Chemical simulant: Simulant for nerve agent research in laboratory testing
- Catalyst & solvent: Polar high-boiling solvent for organic synthesis reaction
- Electronic material auxiliary: Additive for electrolyte and circuit board resin
Safety & Storage Instructions
- Hazard Classification: Mild irritant to skin, eyes and respiratory tract
- Personal Protection: Chemical goggles, nitrile gloves, operate in ventilated space
- Storage Condition: Sealed cool dry warehouse, separate from strong acid, strong alkali and oxidants
- Transportation: General industrial chemical, prevent container leakage and high temperature exposure
Quality Specifications
- Purity: ≥99.0% (GC)
- Moisture: ≤0.1%
- Color (APHA): ≤15
Information Summary Table
| Item | Specification |
| CAS Number | 756-79-6 |
| Product Name | Dimethyl methylphosphonate |
| Synonym | DMMP, Methylphosphonic acid dimethyl ester |
| Molecular Formula | C2H7O3P |
| Molecular Weight | 124.05 |
| Appearance | Colorless transparent liquid |
| Boiling Point | 181 °C |
| Solubility | Miscible with water and all common organic solvents |
| Purity Standard | ≥99.0% |
| Storage Condition | Sealed cool place, away from strong acid/alkali/oxidants |
| Hazard Property | Mild skin, eye and respiratory irritant |
| Main Usage | Phosphorus flame retardant, laboratory simulant, polar reaction solvent |
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