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7631-90-5

7631-90-5 Structure

7631-90-5 Structure
IdentificationMore
【Name】

Sodium bisulfite
【CAS】

7631-90-5
【Synonyms】

BISULFITE
DISODIUM DISULFITE
DI-SODIUM DISULPHITE
DISODIUM PYROSULFITE
DISULFITE
disulfurous acid disodium salt
FORMALIN NEUTRALIZER
Hydrogen sulfite sodium
monosodium sulfite
NATRII METABISULFIS
PYROSULFITE
Pyrosulfurous acid disodium salt
SODIUM ACID SULFITE
SODIUM BISULFITE
SODIUM BISULFITE, META
SODIUM BISULFITE SOLUTION
SODIUM BISULPHITE
SODIUM DISULFITE
SODIUM HYDROGEN SULFITE
SODIUM HYDROGEN SULPHITE
【EINECS(EC#)】

231-673-0
【Molecular Formula】

HNaO3S
【MDL Number】

MFCD00003530
【Molecular Weight】

104.06
【MOL File】

7631-90-5.mol
Chemical PropertiesBack Directory
【Appearance】

white powder
【mp 】

150 °C
【density 】

1.48
【storage temp. 】

Store at RT.
【solubility 】

300 g/L
【Stability:】

Stable. Incompatible with strong oxidizing agents, strong acids.
【Water Solubility 】

300 g/L
【Merck 】

13,8660
【CAS DataBase Reference】

7631-90-5(CAS DataBase Reference)
【EPA Substance Registry System】

7631-90-5(EPA Substance)
Safety DataBack Directory
【Hazard Codes 】

Xn
【Risk Statements 】

R22:Harmful if swallowed.
R31:Contact with acids liberates toxic gas.
R41:Risk of serious damage to eyes.
【Safety Statements 】

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)
Raw materials And Preparation ProductsBack Directory
【Raw materials】

Sodium carbonate-->Sodium bicarbonate-->Sulfur-->Sodium sulfite-->Sulfur dioxide-->Sulphur-->Solvent
【Preparation Products】

3-Bromoindazole-->2-Methylquinoxaline-->2,3-DIHYDROBENZOFURAN-5-BORONIC ACID-->Benz[cd]indol-2(1H)-one-->Reactive Blue 104-->Kanamycin sulfate-->2-Methoxyphenylacetone-->Quinoxaline-->5-Hydroxyquinoline-->N,N'-Diphenylbenzidine-->4-Acetylbenzoic acid-->6-Iodoquinazolin-4-one-->6-BROMO-3-HYDROXYQUINOLINE-->Fast Blue BB-->Sodium formaldehyde bisulfite-->2-BROMO-4-NITROANILINE-->2-[(4-Aminophenyl)sulfonyl]ethyl hydrogen sulfate-->4-Chloromandelic acid-->2,4-DINITROBENZENESULFONIC ACID-->DL-Norephedrine hydrochloride-->PIPERITONE-->5-CHLORO-2-NITROANISOLE-->3,3'-Dihydroxybenzidine-->FUBERIDAZOLE-->Dichlorosulfophenyl-3-methylpyrazolone-->DL-Mandelic acid-->3-AMINOBENZALDEHYDE POLYMER-->Cyclopentyl Acetaldehyde-->N,N-Diethylcyanoacetamide-->N-(1-Naphthyl)ethylenediamine dihydrochloride-->1-CYANOCYCLOPENTENE-->3,3-Dimethylacrylic acid -->4-Iodoaniline-->1-Hydroxy-3-phenyl-1,3-propanedisulfonic acid disodium salt-->methylheptenone -->PHENYLHYDRAZINE DISODIUM SULFONATE-->4-METHOXY-2-NITROACETANILIDE-->Iodophor-->2,6-Dibromophenol-->Sodium [(2,3-dihydro-1,5-dimethyl-3-oxo-2-phenyl-1H-pyrazol-4-yl)methylamino]methanesulfonate
Hazard InformationBack Directory
【General Description】

White crystals or crystalline powder. Slight sulfurous odor. Specific gravity 1.48. Strong irritant to skin and tissue.
【Reactivity Profile】

SODIUM HYDROGEN SULFITE, [SOLID] is a reducing agent. Emits highly toxic gaseous sulfur dioxide gas when heated to decomposition or on contact with mineral acids [Sax, 9th ed., 1996, p. 2949].
【Air & Water Reactions】

Water soluble.
【Health Hazard】

Powder is irritating to eyes, nose, and throat and can irritate skin. Ingestion may cause irritation of stomach. Very large doses cause violent colic, diarrhea, depression, and death.
【Fire Hazard】

Flammable/combustible material. May ignite on contact with moist air or moisture. May burn rapidly with flare-burning effect. Some react vigorously or explosively on contact with water. Some may decompose explosively when heated or involved in a fire. May re-ignite after fire is extinguished. Runoff may create fire or explosion hazard. Containers may explode when heated.
Material Safety Data Sheet(MSDS)Back Directory
【msds information】

Sodium hydrogen sulfite(7631-90-5).msds
Spectrum DetailBack Directory
【Spectrum Detail】

Sodium bisulfite(7631-90-5)IR1
Well-known Reagent Company Product InformationBack Directory
【Acros Organics】

Sodium bisulfite, for analysis ACS(7631-90-5)
【Sigma Aldrich】

7631-90-5(sigmaaldrich)
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