Dimethylmethylphosphonate , 99%+ , 756-79-6

Synonym(s):
Dimethoxymethyl phosphine oxide;Fyrol DMMP;Methanephosphonic acid dimethyl ester;NSC 62240;Reoflam DMMP

CAS NO.：756-79-6

Empirical Formula: C3H9O3P

Molecular Weight: 124.08

MDL number: MFCD00008349

EINECS: 212-052-3

PRODUCT Properties

• Melting point: <50°
• Boiling point: 181 °C(lit.)
• Density: 1.145 g/mL at 25 °C(lit.)
• vapor pressure: <0.1 mm Hg ( 20 °C)
• refractive index: n20/D 1.413(lit.)
• Flash point: 156 °F
• solubility: Chloroform, Methanol (Slightly, Heated)
• pka: pKa (20°) in water: 2.37
• form: Liquid
• Specific Gravity: 1.16
• color: Clear colorless
• Water Solubility: >=10 g/100 mL at 21 ºC
• Merck: 14,3391
• BRN: 878263
• Stability: Stability Combustible. Incompatible with strong oxidizing agents, strong bases. May soften some rubbers or plastics. Hydrolyzes slowly in contact with water.
• LogP: -0.61
• Dissociation constant: 2.37 at 20℃
• CAS DataBase Reference: 756-79-6(CAS DataBase Reference)
• NIST Chemistry Reference: Phosphonic acid, methyl-, dimethyl ester(756-79-6)
• EPA Substance Registry System: Dimethyl methylphosphonate (756-79-6)

Description and Uses

As a flame retardant, a preignition additive for gasoline, an antifoam agent, a plasticizer and stabilizer, a textile conditioner, and an antistatic agent; used experimentally to mimic the physical and spectroscopic (but not biological) properties of anticholinesterase agents

Safety

• Symbol(GHS): GHS07,GHS08
• Signal word: Danger
• Hazard statements: H319-H340-H361f
• Precautionary statements: P201-P305+P351+P338-P308+P313
• Hazard Codes: T,Xi
• Risk Statements: 46-36-62
• Safety Statements: 53-26-45
• RIDADR: 2810
• WGK Germany: 2
• RTECS: SZ9120000
• Hazard Note: Irritant/Toxic
• TSCA: Yes
• Hazardous Substances Data: 756-79-6(Hazardous Substances Data)
• Toxicity: LD50 in rats, mice (mg/kg): 10190, >6810 orally (Rowland)