CAS Number7782-99-2
SynonymsSulphurous acid; sodium sulfite; hydrogen sulphite (bisulphite); SULFUROUS ACID; dihydroxy sulphoxide; Schweflige saure [German]; acide sulfureux; Sulfur dioxide solution; acido sulfuroso; MFCD00011335; EINECS 231-973-1; UN1833
Molecular FormulaH2SO3
Molecular Weight82.08
Purity≥6 SO<SUB>2</SUB> basis (by Na<SUB>2</SUB>S<SUB>2<%
Density1.03 g/mL at 25 °C(lit.)
Appearanceliquid
EINECS231-973-1
Symbol
Signal WordWarning
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| Chemical & Physical Properties | |
|---|---|
| CAS Number | 7782-99-2 |
| Catalog No. | 2A-9015827 |
| Chinese Name | 亚硫酸 |
| Synonyms | Sulphurous acid; sodium sulfite; hydrogen sulphite (bisulphite); SULFUROUS ACID; dihydroxy sulphoxide; Schweflige saure [German]; acide sulfureux; Sulfur dioxide solution; acido sulfuroso; MFCD00011335; EINECS 231-973-1; UN1833 |
| Molecular Formula | H2SO3 |
| Molecular Weight | 82.08 |
| Purity | ≥6 SO<SUB>2</SUB> basis (by Na<SUB>2</SUB>S<SUB>2< |
| Density | 1.03 g/mL at 25 °C(lit.) |
| Appearance | liquid |
| Storage Condition | Storage precautions: Store in a cool, ventilated w |
| Packaging | II |
| EINECS | 231-973-1 |
| PubChem ID | 329752746 |
| MDL Number | MFCD00011335 |
| SMILES | OS(O)=O |
| InChI | 1S/H2O3S/c1-4(2)3/h(H2,1,2,3) |
| InChI Key | LSNNMFCWUKXFEE-UHFFFAOYSA-N |
| NACRES Code | NB.24 |
| UNSPSC | 12352300 |
| Hazard Symbols | 8 |
| MSDS | msds/15827_1_7782_99_2.pdf |
| Related Products in Specialty Chemicals | ||
|---|---|---|
| Sulfur dioxide | 7446-09-5 | 2A-9015821 |
| Sulfur hexafluoride | 2551-62-4 | 2A-9015822 |
| Sulfur trioxide | 7446-11-9 | 2A-9015823 |
| Sulfur(I) chloride | 10025-67-9 | 2A-9015824 |
| Sulfur(II) dichloride | 10545-99-0 | 2A-9015825 |
| Sulfuryl chloride | 7791-25-5 | 2A-9015828 |
| Sulfuryl fluoride | 2699-79-8 | 2A-9015829 |
| Sulphur chloropentafluoride | 13780-57-9 | 2A-9015830 |
| Sulphur tetrafluoride | 7783-60-0 | 2A-9015831 |
| SWNT, 1-2nm | 2A-402826 | 2A-9015832 |
| Browse all Specialty Chemicals products » | ||
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