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| Name |
Sodium bisulfite |
EINECS | 231-548-0 |
| CAS No. | 7631-90-5 | Density | 1.48 g/cm3 |
| PSA | 79.57000 | LogP | 0.20420 |
| Solubility | 300 g/L in water | Melting Point |
150 °C |
| Formula | HNaO3S | Boiling Point | N/A |
| Molecular Weight | 104.06 | Flash Point | N/A |
| Transport Information | UN 2693 | Appearance | white powder |
| Safety | 26-39-46-25 | Risk Codes | 22-31-41 |
| Molecular Structure |
|
Hazard Symbols |
 Xn
|
| Synonyms |
Sulfurousacid, monosodium salt (8CI,9CI);E 222;FR-62;Hydrogen sodium sulfite;Hydrogen sulfite sodium;Monosodium sulfite;Sodium acid sulfite;Sodiumbisulfite;Sodium bisulfite (NaHSO3);Sodium bisulphite;Sodium hydrogensulfite;Sodium sulfite (NaHSO3);Sodium Bisulfite;Sodium hydrogen sulfite; |
Sodium bisulfite Chemical Properties
IUPAC Name: sodium hydrogen sulfite
Empirical Formula: HNaO3S
Molecular Weight: 104.0609g/mol
EINECS: 231-673-0
Structure of Sulfurousacid, sodium salt (1:1) (CAS NO.7631-90-5):
Melting Point: 150 °C
Density: 1.48
Water Solubility: 300 g/L
Merck: 13,8660
Stability: Stable. Incompatible with strong oxidizing agents, strong acids.
Product Categories: INORGANIC & ORGANIC CHEMICALS;Inorganics;Water Ttreatment Chemicals
Canonical SMILES: OS(=O)[O-].[Na+]
InChI: InChI=1S/Na.H2O3S/c;1-4(2)3/h;(H2,1,2,3)/q+1;/p-1
InChIKey: DWAQJAXMDSEUJJ-UHFFFAOYSA-M
Sodium bisulfite Toxicity Data With Reference
| 1. | mmo-sat 1 mmol/L | TCMUD8 Teratogenesis, Carcinogenesis, and Mutagenesis. 5 (1985),195. | ||
| 2. | mmo-hmi 200 mmol/L ABMPAC 17,115,80 | |||
| 3. | orl-rat LD50:2 g/kg | 85INA8 Documentation of the Threshold Limit Values and Biological Exposure Indices. 6 (1991),1408. | ||
| 4. | ipr-rat LD50:475 mg/kg | PNASA6 Proceedings of the National Academy of Sciences of the United States of America. 70 (1973),3655. | ||
| 5. | ivn-rat LD50:115 mg/kg | JPETAB Journal of Pharmacology and Experimental Therapeutics. 101 (1951),101. | ||
| 6. | ipr-mus LD50:675 mg/kg | CLPTAT Clinical Pharmacology and Therapeutics. 9 (1968),328. | ||
| 7. | ivn-mus LD50:130 mg/kg | JPETAB Journal of Pharmacology and Experimental Therapeutics. 101 (1951),101. | ||
| 8. | ipr-dog LD50:244 mg/kg | CLPTAT Clinical Pharmacology and Therapeutics. 9 (1968),328. | ||
| 9. | ipr-rbt LD50:300 mg/kg | CLPTAT Clinical Pharmacology and Therapeutics. 9 (1968),328. | ||
| 10. | ivn-rbt LD50:65 mg/kg | JPETAB Journal of Pharmacology and Experimental Therapeutics. 101 (1951),101. |
Sodium bisulfite Consensus Reports
SODIUM BISULFITE is reported in EPA TSCA Inventory. EPA Genetic Toxicology Program.
Sodium bisulfite Safety Profile
Poison by intravenous and intraperitoneal routes. Moderately toxic by ingestion. A corrosive irritant to skin, eyes, and mucous membranes. Mutation data reported. An allergen. When heated to decomposition it emits toxic fumes of SOx and Na2O. See also SULFUROUS ACID and SULFITES.
Hazard Codes: 
Xn
Risk Statements: 22-31-41
R22:Harmful if swallowed.
R31 :Contact with acids liberates toxic gas.
R41:Risk of serious damage to the eyes.
Safety Statements: 26-39-46-25
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S39:Wear eye / face protection.
S46:If swallowed, seek medical advice immediately and show this container or label.
S25:Avoid contact with eyes.
RIDADR: UN 2693
WGK Germany: 1
RTECS: UX8225000
Hazardous Substances Data: 7631-90-5(Hazardous Substances Data)
Sodium bisulfite Standards and Recommendations
OSHA PEL: TWA 5 mg/m3
ACGIH TLV: TWA 5 mg/m3; Not Classifiable as a Human Carcinogen
DOT Classification: 8; Label: Corrosive
Sodium bisulfite Specification
Sulfurousacid, sodium salt (1:1) , its cas register number is 7631-90-5. It also can be called AI3-08582 ; Bisulfite de sodium ; EPA Pesticide Chemical Code 078201 ; Hydrogen sodium sulfite ; Hydrogen sulfite sodium ; Monosodium sulfite ;
Sodium acid sulfite ; Sodium bisulfite ; Sodium bisulphite ; Sodium hydrogen sulfite ; Sodium hydrosulfite(DOT) ; Sodium metabisulfite ; Sodium sulfite (NaHSO3) ; Sodium sulhydrate ; Sulfurous acid, monosodium salt . Sulfurousacid, sodium salt (1:1) (CAS NO.7631-90-5) is a white powder.
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