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623-81-4

Name Diethyl sulfite
CAS 623-81-4
EINECS(EC#) 210-815-5
Molecular Formula C4H10O3S
MDL Number MFCD00009098
Molecular Weight 138.19
MOL File 623-81-4.mol
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Chemical Properties

Appearance clear colorless solution
Boiling point  158-160 °C(lit.)
density  1.077 g/mL at 25 °C(lit.)
refractive index  n20/D 1.414(lit.)
Fp  129 °F
storage temp.  Flammables area
form  Liquid
color  Clear colorless
BRN  1701906
Dielectric constant 15.9（20℃）
CAS DataBase Reference 623-81-4(CAS DataBase Reference)
NIST Chemistry Reference Sulfurous acid, diethyl ester(623-81-4)
EPA Substance Registry System 623-81-4(EPA Substance)

Safety Data

Hazard Codes  Xi
Risk Statements 
R10:Flammable.
R36/37/38:Irritating to eyes, respiratory system and skin .
Safety Statements 
S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
S36:Wear suitable protective clothing .
S24/25:Avoid contact with skin and eyes .
S16:Keep away from sources of ignition-No smoking .
RIDADR  UN 1993 3/PG 3
WGK Germany  3
RTECS  WT3511000
HazardClass  3.2
PackingGroup  III
HS Code  29209085

Hazard Information

Material Safety Data Sheet(MSDS)

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