| Boiling point | 158-160 °C(lit.) |
| density | 1.077 g/mL at 25 °C(lit.) |
| refractive index | n |
| Fp | 129 °F |
| storage temp. | Flammables area |
| form | Liquid |
| color | Clear colorless |
| BRN | 1701906 |
| CAS DataBase Reference | 623-81-4(CAS DataBase Reference) |
| NIST Chemistry Reference | Sulfurous acid, diethyl ester(623-81-4) |
| EPA Substance Registry System | Sulfurous acid, diethyl ester (623-81-4) |
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