(39% solution in water) for synthesis
Product information
Synonyms
Sodium bisulfite, Sodium bisulfite solution, Bisulfite
HS Code
2832 10 00
Chemical and physical data
Solubility
(20C)soluble
Melting point
-44C
Density
1.34g/cm3 (20C)
pH value
4.5 (H2O, 20C)
Boiling point
146C
Vapor pressure
40hPa (20C)
Safety information according to GHS
Hazard Statement(s)
H302: Harmful if swallowed.
EUH031: Contact with acids liberates toxic gas.
Precautionary Statement(s)
P262: Do not get in eyes, on skin, or on clothing.
Signal Word
Warning
Hazard Pictogram(s)
Storage class
8B Non-combustible, corrosive hazardous materials
WGK
WGK 1 slightly water endangering
Disposal
6
Sulfides and sulfites as well as other reducing substances, inorganic cyanides and isonitriles: Stir into sodium hypochlorite solution (Cat. No. 105614) and, if necessary, leave to react for several days. Caution: some substances may show a violent reaction! Draw off any toxic or flammable gases that may be formed. Excess oxidant should be neutralized with sodium thiosulfate (Cat. No. 106513). Container D or E.
Safety information
R Phrase
R 22-31
Harmful if swallowed.Contact with acids liberates toxic gas.
S Phrase
S 25-46
Avoid contact with eyes.If swallowed, seek medical advice immediately and show this container or label.
Categories of danger
harmful
Hazard Symbol
Harmful
Transport information
Declaration (railroad and road) ADR, RID
UN 2693 Hydrogensulfite, wsserige Lsung, n.a.g.(NATRIUMHYDROGENSULFIT LOESUNG), 8, III
Declaration (transport by sea) IMDG-Code
UN 2693 BISULPHITES, AQUEOUS SOLUTION, N.O.S.(SODIUM BISULPHITE), 8, III
Declaration (transport by air) IATA-DGR
UN 2693 BISULPHITES, AQUEOUS SOLUTION, N.O.S.(SODIUM BISULPHITE), 8, III