762-04-9

Name Diethyl phosphite
CAS 762-04-9
EINECS(EC#) 212-091-6
Molecular Formula C4H11O3P
MDL Number MFCD00044573
Molecular Weight 138.1
MOL File 762-04-9.mol
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Chemical Properties

Appearance colourless liquid
Melting point  -70 °C
Boiling point  50-51 °C/2 mmHg (lit.)
density  1.072 g/mL at 25 °C(lit.)
vapor pressure  7hPa at 20℃
refractive index  n20/D 1.407(lit.)
Fp  180 °F
form  Liquid
color  Colorless
Specific Gravity 1.072
Stability: Stable. Incompatible with strong oxidizing agents, strong acids, acid chlorides, strong bases. May decompose on exposure to moisture. Combustible.
Water Solubility  miscible (hydrolysis)
Hydrolytic Sensitivity 7: reacts slowly with moisture/water
Sensitive  Moisture Sensitive
BRN  605759
Henry's Law Constant 1.7×100 mol/(m3Pa) at 25℃, HSDB (2015)
InChI 1S/C4H11O3P/c1-3-6-8(5)7-4-2/h8H,3-4H2,1-2H3
InChIKey MJUJXFBTEFXVKU-UHFFFAOYSA-N
SMILES [H]P(=O)(OCC)OCC
LogP -0.15
CAS DataBase Reference 762-04-9(CAS DataBase Reference)
NIST Chemistry Reference Phosphonic acid, diethyl ester(762-04-9)
EPA Substance Registry System 762-04-9(EPA Substance)
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Safety Data

Symbol(GHS)  Corrosion (GHS05)Exclamation Mark (GHS07)
GHS05,GHS07
Signal word  Danger
Hazard statements  H317-H318
Precautionary statements  P261-P272-P280-P302+P352-P305+P351+P338-P333+P313
Hazard Codes  Xi
Risk Statements 
R36/37/38:Irritating to eyes, respiratory system and skin .
R43:May cause sensitization by skin contact.
Safety Statements 
S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
S36/37/39:Wear suitable protective clothing, gloves and eye/face protection .
S37/39:Wear suitable gloves and eye/face protection .
S28:After contact with skin, wash immediately with plenty of ... (to be specified by the manufacturer) .
S27:Take off immediately all contaminated clothing .
WGK Germany  1
RTECS  TG7875000
F  10-13-21
TSCA  Yes
REACH Registrations Active
HS Code  29209014
Storage Class 10 - Combustible liquids
Hazard Classifications Eye Dam. 1
Skin Sens. 1B
Hazardous Substances Data 762-04-9(Hazardous Substances Data)

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