沸點 187~188℃

相對密度 1.072g/cm3

折射率 1.4080

閃點 90℃

溶解性 溶于乙醇、醚等有機溶劑。

是制備有機磷化合物的中間體，也作萃取劑

中文名稱:膦酸二乙酯

英文名稱:Diethyl phosphite

中文別名:亞磷酸二乙酯;二乙基亞磷酸酯;二乙基亞磷酸;亞磷酸二乙酯;O,O′-二乙基亞磷酸酯

英文別名:Diethylphosphitemincolorlessliq; diethyl phosphonate; Diethyl hydrogen phosphonate; Phosphonic Acid Diethyl Ester; Diethoxyphosphine oxide; Diethyl acid phosphite; diethylacidphosphite; diethylfosfit; Ethyl phosphonate ((EtO)2HPO); Hydrogen diethyl phosphite; hydrogendiethylphosphite; O,O-Diethyl phosphonate; diethyl hydrogen phosphite; diethoxy(oxo)phosphonium

CAS號:762-04-9

分子式:C4H11O3P

分子量:138.1021

R36/37/38:Irritating to eyes, respiratory system and skin. 刺激眼睛、呼吸系統和皮膚。;

R43:May cause sensitization by skin contact. 與皮膚接觸可能致敏。

S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.不慎與眼睛接觸后，請立即用大量清水沖洗并征求醫生意見。

S37/39:Wear suitable gloves and eye/face protection戴適當的手套和護目鏡或面具。

CAS號：762-04-9

EINECS號：212-091-6

中文名稱:氰甲基膦酸二乙酯

英文名稱:Diethyl cyanomethylphosphonate

中文別名:二乙基氰甲基磷酸酯;氰甲基磷酸二乙酯

英文別名:Cyanomethylphosphonic acid diethyl ester~Diethyl phosphonoacetonitrile; (Diethylphosphono)acetonitrile; Diethylphosphonoacetonitrile; Cyanomethyl phosphonic acid diethyl ester

CAS號:2537-48-6

分子式:C6H12NO3P

分子量:177.1381

CAS號：2537-48-6

MDL號：MFCD00001893

EINECS號：219-806-0

BRN號：1772981

PubChem號：MFCD00001893

R20/21/22:Harmful by inhalation, in contact with skin and if swallowed. 吸入、皮膚接觸及吞食有害。

R36/37/38:Irritating to eyes, respiratory system and skin. 刺激眼睛、呼吸系統和皮膚。;

S23:Do not breathe vapour. 切勿吸入蒸汽。

S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.不慎與眼睛接觸后，請立即用大量清水沖洗并征求醫生意見。

S36/37/39:Wear suitable protective clothing, gloves and eye/face protection.穿戴適當的防護服、手套和護目鏡或面具。