Shandong Huashi Import & Export Co., Ltd.
Product
Current Position: Home > Product >Dimethyl methylphosphonate
Dimethyl methylphosphonate
  • Brand:HS
  • Model:25kg/drum
  • Purity:99%
  • Cas:756-79-6
  • Createtime: 2026-04-14
  • Updatetime: 2026-09-30
Product Details
useage Industrial use
deliveryInfo
appearance liquid
Molecular Weight 124.05
aliasen
supplyCapacity 50000MT/Month
harbor Qingdao,China
minorder 1KG
Appearance Colorless transparent liquid

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

  1. Flame retardant additive: High-efficiency phosphorus-based flame retardant for polyurethane, epoxy resin, fiber
  2. Chemical simulant: Simulant for nerve agent research in laboratory testing
  3. Catalyst & solvent: Polar high-boiling solvent for organic synthesis reaction
  4. 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