سدیم هیدروژن سولفیت مرک آلمان 806356 Sodium hydrogen sulfite

Product information

Synonyms

Sodium bisulfite, Sodium bisulfite solution, Bisulfite

HS Code

2832 10 00

Chemical and physical data

Solubility

(20°C)soluble

Melting point

-44°C

Density

1.34g/cm³ (20°C)

pH value

4.5 (H₂O, 20°C)

Boiling point

146°C

Vapor pressure

40hPa (20°C)

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, wässerige Lösung, 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