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8.06356 EMD Millipore

Sodium hydrogen sulfite

(39% solution in water) for synthesis

Synonym: Sodium bisulfite, Sodium bisulfite solution, Bisulfite



packaging   1 l in Glass bottle (8063561000)
vapor pressure   40 hPa (20 °C)
density   1.34 g/cm3 (20 °C)
mp   -44 °C
pH   4.5 (H₂O, 20 °C)
shipped in   ambient
storage temp.   Store below +30°C.
specifications   Assay (iodometric): 37.0 - 42.0 %

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Safety Information

HS Code 
2832 10 00
Hazard Statement(s) 
H302: Harmful if swallowed.
EUH031: Contact with acids liberates toxic gas.
Storage class 
8B Non-combustible, corrosive hazardous materials
WGK 1 slightly water endangering
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.
Hazard Pictogram(s) 
GHS07  GHS07
Hazard Symbols 
Harmful  Harmful
Declaration (railroad and road) ADR, RID 
UN 2693 , 8, III
Declaration (transport by air) IATA-DGR 
UN 2693 , 8, III
Declaration (transport by sea) IMDG-Code 
UN 2693 , 8, III
Categories of danger 
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.
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