Project Description

Sodium bisulfite
Chemical Name Sodium bisulfite
CAS No. 7631-90-5
Molecular Formula: HNaO3S
Molecular Weight: 104.06
EINECS: 231-548-0
Appearance  Powder
Melting point 150 °C
solubility 300 g/L
Color White
Storage temp. Store at RT.
Density 1.48



Sodium bisulfite is a white crystalline solid. Slight odor of sulfur dioxide and a disagreeable taste. Slowly oxidized to the sulfate on exposure to air


Sodium bisulfite is used in the digestion of wood pulp, in the tanning of leather; in the dyeing of textiles; as a photographic reducing agent; as a food preservative; as an additive in electroplating; as disinfectant, bleach, antioxidant, and as inhibitor of yeast and bacteria in winemaking.


Contact us for Sodium bisulfite MSDS -Material Safety Data Sheet and Sodium bisulfite CAS 7631-90-5 COA-Certificate of Analysis, Product Data Sheet – in PDF Document.

Safety Information:



RIDADR:  UN 2693

Sodium bisulfite supplier

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