[033275] CAS 7782-99-2 | Sulfurous acid, ACS, 6.0% SO{2} min
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Brand: Alfa Aesar
7782-99-2 | H2O3S | sulfurous acid sodium bisulfite solution trioxosulfuric acid sulfur dioxide solution sodium bisulfite gr hydrogentrioxosulfate(1-) hydrogentrioxosulfate(IV) sodium bisulfite extra pure monohydrogentrioxosulfate sulfite (HSO3 1-)
Chemical Identifiers
CAS
7782-99-2
Molecular Weight (g/mol)
82.07
Synonym
sulfurous acid sodium bisulfite solution trioxosulfuric acid sulfur dioxide solution sodium bisulfite gr hydrogentrioxosulfate(1-) hydrogentrioxosulfate(IV) sodium bisulfite extra pure monohydrogentrioxosulfate sulfite (HSO3 1-)
SMILES
OS(O)=O
InChI Key
LSNNMFCWUKXFEE-UHFFFAOYSA-N
Molecular Formula
H2O3S
IUPAC Name
sulfurous acid
Specifications
Impurity content
Cl 5ppm
Trace Metals
(as Pb) 2ppm
Residue on ignition
0.005%
Assay (unspecified)
6.0% SO₂ min
Impurity content
Fe 5ppm
설명
Sulfurous acid is used as a reducing agent, bleaching agent and disinfectant. It is utilized for bleaching of moistened wool, straw for hats, and other materials injured by chlorine. It finds application as a disinfectant as well as used externally for its parasiticidal effect in various skin diseases. Its derivative viz. sulfites are included in antiseptics, antifermentatives, and antizymotics.
This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.
Other References:
UN Number:1833
GHS Hazard and Precautionary Statements
Hazard Statements:H319-H335
Precautionary Statements:P261-P264b-P271-P280i-P304+P340-P305+P351+P338-P312-P501c
Risk & Safety
TSCA:YesRTECS Number:WT2775000
경고:RUO – Research Use Only
CAS7782-99-2FORMULAH2O3SHAZARD CLASS8EINECS231-973-1MDLMFCD00011335PACKAGING GROUPII
| Pakage | 4x500ml, 500ml |
|---|---|
| brand | Alfa Aesar |
