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Sulfurous acid, diethyl ester

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Formula: C4H10O3S
CAS: 623-81-4

Identification

Structural Formula
Sulfurous acid, diethyl ester
CAS:
623-81-4
EINECS:
210-815-5
Molecular Formula:
C4H10O3S
MDL:
MFCD00009098
SMILES:
CCOS(=O)OCC
Synonym:
diethyl sulfite 98% ; sulfurous acid diethyl ; ethylethylsulfonate ; (c2h5o)2so ; diethyl sulphite ; diethyl sulfite ; ethyl sulfite ; tl158 ; ethyl sulfite, (et2so3) ; diethyl sulfite,98%




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Properties for Sulfurous acid, diethyl ester

Molecular Weight:
138.19 g·mol−1
Density:
1.077 g/mL at 25 °C(lit.)
Boiling point:
158-160 °C(lit.)
Flash point:
129 ºF
Physical Description:
clear colorless solution
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Hazard Statements

GHS02

GHS02
Flammable
  • Flammable gases, category 1
  • Flammable aerosols, categories 1, 2
  • Flammable liquids, categories 1, 2, 3
  • Flammable solids, categories 1, 2
  • Self-reactive substances and mixtures, types B, C, D, E, F
  • Pyrophoric liquids, category 1
  • Pyrophoric solids, category 1
  • Combustible solids, category 3
  • Combustible liquids, category 3
  • Self-heating substances and mixtures, categories 1, 2
  • Substances and mixtures, which in contact with water, emit flammable gases, categories 1, 2, 3
  • Organic peroxides, types B, C, D, E, F
GHS07

GHS03
Harmful
  • Acute toxicity (oral, dermal, inhalation), category 4
  • Skin irritation, categories 2, 3
  • Eye irritation, category 2A
  • Skin sensitization, category 1
  • Specific target organ toxicity following single exposure, category 3
    - Respiratory tract irritation
    - Narcotic effects
  • Not used
  • with the "skull and crossbones" pictogram
  • for skin or eye irritation if:
  • the "corrosion" pictogram also appears
  • the "health hazard" pictogram is used to indicate respiratory sensitization

Safety & Transport Information

Risk Codes:
R10 - Flammable
R36/37/38 - Irritating to eyes, respiratory system and skin
Safety Codes:
S16 - Keep away from sources of ignition - No smoking
S24/25 - Avoid contact with skin and eyes
S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice
S36 - Wear suitable protective clothing
Hazard Classes:
3.2
Hazard Symbols:
Xi
Hazard symbol Xi
Storage temperature :
Flammables area
RID/ADR certification :
UN 1993 3 / PG 3
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Alternative Distributors of [Sulfurous acid, diethyl ester]

Producers or manufacturers change the product range from time to time. The following companies
have appeared as suppliers in the past / currently not verified

ABCR GmbH & Co. KG | Pfaltz & Bauer, Inc. | Jinan Great Chemical Co., Ltd. | TCI Europe NV | Wuxi Yangshi Chemical Co., Ltd. | Jinan Haohua Industry Co., Ltd. | East Chemical Industry Co., Ltd.

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