Note: Ingredients listed on restricted chemical lists
EC/CAS
7631-90-5
Name of the chemical
Sodium hydrogensulphite; Sodium bisulphite
Concentration
>95
General Information
Version
8
Revision date
2025-12-19
Product name
Sodium bisulfite
Product Synonyms
Sodium hydrogen sulfite
CAS No.
7631-90-5
Emergency telephone
001-800-227-6701, +32 14 57 52 11, 001-201-796-7100, +32 14 57 52 99, 001-800-424-9300, 001-703-527-3887
Icons in SDS
Company Information
company name
Fisher Scientific Company
GHS Information
Signal word
Warning
Hazard Codes
Hazard statements (CLP)
H302, H335
Hazard statements
Code
Statements
H302
Harmful if swallowed
Section 2
SECTION 2: Hazards identification
(29 CFR 1910.1200) Classification
Signal word
Warning
Hazard statements
Harmful if swallowed May cause respiratory irritation
Prevention
Wash face, hands and any exposed skin thoroughly after handling Do not eat, drink or smoke when using this product Avoid breathing dust/fume/gas/mist/vapors/spray Use only outdoors or in a well-ventilated area Inhalation IF INHALED: Remove person to fresh air and keep comfortable for breathing Call a POISON CENTER or doctor if you feel unwell Ingestion IF SWALLOWED: Call a POISON CENTER or doctor/physician if you feel unwell Rinse mouth
Storage
Store in a well-ventilated place. Keep container tightly closed Store locked up
Disposal
Dispose of contents/container to an approved waste disposal plant
2.3 Other hazards
None identified
2.1 Classification of the substance or mixture
Category 4 Specific target organ toxicity (single exposure) Category 3 Target Organs - Respiratory system. Label Elements Signal Word
