| Product Name | Diethyl sulfite |
| CAS No. | 623-81-4 |
| Synonyms | Sulfurous acid, diethyl ester; 4-01-00-01324 (Beilstein Handbook Reference); BRN 1701906; Ethyl sulfite; Ethyl sulfite, (Et2SO3); NSC 8838; TL 158; Diethyl sulphite |
| InChI | InChI=1/C4H10O3S/c1-3-6-8(5)7-4-2/h3-4H2,1-2H3 |
| Molecular Formula | C4H10O3S |
| Molecular Weight | 138.1854 |
| Density | 1.183g/cm3 |
| Boiling point | 156.6°C at 760 mmHg |
| Flash point | 53.9°C |
| Refractive index | 1.475 |
| Hazard Symbols |  Xi:Irritant; |
| Risk Codes | R10:; R36/37/38:; |
| Safety | S16:; S24/25:; |
623-81-4 diethyl sulfite
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