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| CAS No.: | 623-81-4 |
|---|---|
| Name: | Diethyl sulfite |
| Article Data: | 41 |
| Molecular Structure: | |
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|
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| Formula: | C4H10 O3 S |
| Molecular Weight: | 138.188 |
| Synonyms: | Ethylsulfite (6CI,7CI); Diethyl sulfite; NSC 8838 |
| EINECS: | 210-815-5 |
| Density: | 1.077 |
| Boiling Point: | 158-160 °C(lit.) |
| Flash Point: | 53 ºC |
| Appearance: | clear, colorless |
| Hazard Symbols: |
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| Risk Codes: | R10;R36/37/38 |
| 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. |
| Transport Information: | UN 1993 |
| PSA: | 54.74000 |
| LogP: | 1.50380 |
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Chemistry
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
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 . |
Consensus Reports
Reported in EPA TSCA Inventory.
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.gif){kind=small}
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
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 .