Calcium sulfite
- CAS NO.：10257-55-3
- Empirical Formula: CaH4O3S
- Molecular Weight: 124.17
- EINECS: 233-596-8
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-05-28 01:32:57
What is Calcium sulfite?
Chemical properties
hexagonal; white crystal(s) or powder(s); slowly oxidizes in air to CaSO4; used in brewing, as a disinfectant in sugar manufacturing [HAW93] [MER06] [CRC10]
Properties of Calcium sulfite
| Melting point: | 600°C |
| Density | 33.3[at 20℃] |
| solubility | slightly soluble in ethanol; soluble in acid solutions |
| form | solid (rough estimate) |
| color | white |
| Water Solubility | 0.0043g/100mL (18°C), 0.001g/100mL (100°C) H2O; slightly soluble alcohol; soluble in acid solutions with SO2 evolution [MER06] [CRC10] |
| EPA Substance Registry System | Sulfurous acid, calcium salt (1:1) (10257-55-3) |
Safety information for Calcium sulfite
Computed Descriptors for Calcium sulfite
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