Diethyl sulfite

Basic Information

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CAS Number

623-81-4

Molecular Formula

C4H10O3S

Molecular Weight

138.19 g/mol

Chemical Classification

Basic Chemical Raw Materials Organic Chemicals Carboxylic Acids

Water Treatment Chemicals Coagulants and Flocculants Inorganic Coagulants

Basic Physical Properties

Boiling Point

157°C

Density

1.077 g/mL at 25 °C<br />1.078 g/mL at 25 °C

Refractive Index

n20/D 1.414(lit.)<br />n20/D 1.414

SMILES

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CCOS(=O)OCC

InChI

InChI=1S/C4H10O3S/c1-3-6-8(5)7-4-2/h3-4H2,1-2H3

InChIKey

NVJBFARDFTXOTO-UHFFFAOYSA-N

LogP

0.6381

Topological Polar Surface Area

35.53 Å²

Hydrogen Bond Donor/Acceptor

0 / 3

Complexity

65.7

Safety Information

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Hazard Statement

H226 Flammable liquid and vapor
Flammable liquids

H315 Causes skin irritation
Skin corrosion/irritation

H319 Causes serious eye irritation
Serious eye damage/eye irritation

Hazard Class

Class 3.2 Class 3.2

Synonyms & References

English

UNII-LF6566JT87
LS-13014
4-01-00-01324 (Beilstein Handbook Reference)
sulfurous acid diethyl ester
DTXSID0060777
MFCD00009098
J-520307
Diethyl sulphite
NSC-8838
Sulphurous acid diethyl ester
D0528
EINECS 210-815-5
AKOS015843675
NSC8838
SY053383
FT-0624860
Sulfurous acid, diethyl ester
LF6566JT87
Diethyl sulfite, 98%
623-81-4
A833750
InChI=1/C4H10O3S/c1-3-6-8(5)7-4-2/h3-4H2,1-2H
Q1936824
Ethyl sulfite
CS-0204569
SCHEMBL276169
NSC 8838
TL 158
(C2H5O)2SO
AMY17996
NS00043277

MDL Number

MFCD00009098

Customs Code

29209085

FAQ

What is Diethyl sulfite (CAS: 623-81-4)?

Diethyl sulfite is an organosulfur compound with the molecular formula C4H10OS. It is a colorless, slightly viscous liquid with a distinctive odor. Diethyl sulfite is used in the synthesis of other organic compounds and as a reagent in chemical reactions.

What are the main uses of Diethyl sulfite (CAS: 623-81-4)?

Diethyl sulfite is primarily used as a reagent in organic synthesis, particularly in the preparation of thioesters. It is also used in the production of certain pharmaceuticals and as a component in some analytical chemistry procedures.

Is Diethyl sulfite (CAS: 623-81-4) safe?

Diethyl sulfite is generally considered safe when handled with appropriate precautions. However, it is flammable and potentially toxic if inhaled or ingested. It is important to follow safety guidelines, such as wearing protective gloves and goggles, and ensuring good ventilation during handling.

How should Diethyl sulfite (CAS: 623-81-4) be stored?

Diethyl sulfite should be stored in a cool, dry place away from direct sunlight and heat sources. It should be kept in a well-ventilated area and stored in a tightly sealed container to prevent evaporation and contamination. Avoid contact with strong oxidizers and keep the storage area under proper temperature control to prevent degradation.