Product Name

  • Name

    Diethyl sulfite

  • EINECS 210-815-5
  • CAS No. 623-81-4
  • Article Data41
  • CAS DataBase
  • Density 1.077
  • Solubility
  • Melting Point
  • Formula C4H10 O3 S
  • Boiling Point 158-160 °C(lit.)
  • Molecular Weight 138.188
  • Flash Point 53 ºC
  • Transport Information UN 1993
  • Appearance clear, colorless
  • Safety Low toxicity by inhalation. Reaction with chlorine fluoride gives the violently explosive ethyl fluorosulfate. When heated to decomposition it emits toxic fumes of SOx. See also SULFITES.
  • Risk Codes R10;R36/37/38   
  • Molecular Structure Molecular Structure of 623-81-4 (Diethyl sulfite)
  • Hazard Symbols
  • Synonyms Ethylsulfite (6CI,7CI); Diethyl sulfite; NSC 8838
  • PSA 54.74000
  • LogP 1.50380

DIETHYL SULFITE Chemical Properties

Product Name: Diethyl sulfite (CAS NO.623-81-4)


Molecular Formula: C4H10O3S
Molecular Weight: 138.19g/mol
Mol File: 623-81-4.mol
Einecs: 210-815-5
Appearance: Clear colorless solution
Boiling point: 156.6 °C at 760 mmHg
Storage Temperature: Flammables area
Flash Point: 53.9 °C
Density: 1.077 g/mL at 25 °C(lit.)
Refractive index: n20/D 1.414(lit.)
Surface Tension: 44.4 dyne/cm
Enthalpy of Vaporization: 37.71 kJ/mol
Vapour Pressure: 3.71 mmHg at 25°C
XLogP3-AA: 0.9
H-Bond Donor: 0
H-Bond Acceptor: 3
Product Categories: Organic Building Blocks; Organic Sulfates/Sulfites; Sulfur Compounds

DIETHYL SULFITE Toxicity Data With Reference

1.    

ihl-mus LC:>2700 mg/m3/10M

     NDRC**    National Defense Research Committee, Office of Scientific Research and Development, Progress Report NDCrc-132,Apr42 .

DIETHYL SULFITE Consensus Reports

Reported in EPA TSCA Inventory.

DIETHYL SULFITE Safety Profile

Low toxicity by inhalation. Reaction with chlorine fluoride gives the violently explosive ethyl fluorosulfate. When heated to decomposition it emits toxic fumes of SOx. See also SULFITES.
Safety Information of Diethyl sulfite (CAS NO.623-81-4):
Hazard Codes: Xi
Risk Statements: 10-36/37/38 
10:  Flammable
36:  Irritating to the eyes 
37:  Irritating to the respiratory system 
38:  Irritating to the skin 
Safety Statements: 26-36-24/25-16
16:  Keep away from sources of ignition - No smoking
24:  Avoid contact with skin 
25:  Avoid contact with eyes 
26:  In case of contact with eyes, rinse immediately with plenty of water and seek medical advice 
36:  Wear suitable protective clothing

DIETHYL SULFITE Specification

 Diethyl sulfite ,its CAS NO. is 623-81-4,the synonyms is Ethyl sulfite;diethyl sulfite ; Sulfurous acid diethyl ester ; Diethyl ester of sulfurous acid ; Diethyl sulphite ; Ethyl sulfite, (et2so3) ; Ethylethylsulfonate .

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