Sulfurous Acid CAS#: 7782-99-2; ChemWhat Code: 18155
Names & Identifiers |
| Product Name | Sulfurous Acid |
| Synonyms | schwefligesaure;sulfurdioxidesolution;sulfurous;SULPHUROUS ACID;SULPHUR DIOXIDE;SULFUROUS ANHYDRIDE;SULFUROUS ACID;Sulfur dioxcide solution |
| CAS Registry Number | 7782-99-2 |
| Molecular Formula | H2O3S |
| Molecular Weight | 82.08 |
| EINECS | 231-973-1 |
| Other Registry Numbers | |
| IUPA Names, InChI, InChI Key, Canonical SMILES, etc.: | IUPA Names, InChI, InChI Key, Canonical SMILES, etc. |
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Chemical & Physical Properties |
| Density | 1.03 g/mL at 25 °C(lit.) |
| vapor Density | 2.3 (vs air) |
| pka | 1.92(at 25℃) |
| form | Liquid |
| Color | Colorless |
| Water Solubility | Miscible with water. |
| Sensitive | Air Sensitive |
| Merck | 14,8976 |
| Stability: | Stable. Incompatible with strong bases. |
| More Properties From PubChem | Topological Polar Surface Area, Monoisotopic Mass, etc. |
Safety & Hazards(Codes & Phrases) |
| Hazard Codes | C,Xn |
| R Phrase | 20-34-36/38 |
| S Phrase | 26-36/37/39-45 |
| RIDADR | UN 1833 8/PG 2 |
| WGK Germany | 1 |
| RTECS | WT2775000 |
| F | 10-23 |
| TSCA | Yes |
| Storage Class | 8 |
| Packing Group | II |
| More Safety & Hazards From PubChem | Signal, GHS Hazard Statements, Precautionary Statement Codes, etc. |
Literature |
| Literature on PubChem | Synthesis References, Metabolite References, etc. |
Patents |
| Patents on PubChem | Related Patents Of This Product |
Transportation, Storage & Usage |
| Transportation | No Information |
| Storage | No Information |
| Usage | No Information |
Spectral Properties |
| No Information |
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