Note: Ingredients listed on restricted chemical lists
EC/CAS
7631-90-5
Name of the chemical
Sodium hydrogensulphite; Sodium bisulphite
Concentration
>95
General Information
Revision date
2026-03-16
Product name
Sodium bisulfite
Product Synonyms
Sodium hydrogen sulfite
CAS No.
7631-90-5
Emergency telephone
+(60)-327884561
Icons in SDS
Company Information
company name
Thermo Fisher Scientific Fisher Scientific (M) Sdn Bhd
e-mail address of the competent person responsible for the Safety Data Sheet
laboratorysolution@thermofisher.com
GHS Information
Signal word
Warning
Hazard Codes
Hazard statements (CLP)
H302
Hazard statements
Code
Statements
H302
Harmful if swallowed
Section 2
SECTION 2: Hazards identification
Classification of the substance or mixture
Physical hazards
Based on available data, the classification criteria are not met
Health hazards
Acute oral toxicity Category 4 (H302)
Environmental hazards
Based on available data, the classification criteria are not met
Signal word
Warning
Hazard statements
H302 - Harmful if swallowed
Prevention
P261 - Avoid breathing dust/fume/gas/mist/vapors/spray P264 - Wash face, hands and any exposed skin thoroughly after handling P270 - Do not eat, drink or smoke when using this product P271 - Use only outdoors or in a well-ventilated area
Response
P304 + P340 - IF INHALED: Remove person to fresh air and keep comfortable for breathing P312 - Call a POISON CENTER or doctor if you feel unwell P330 - Rinse mouth
Storage
P403 + P233 - Store in a well-ventilated place. Keep container tightly closed
Disposal
P501 - Dispose of contents/ container to an approved waste disposal plant
2.3 Other hazards
EUH031 - Contact with acids liberates toxic gas Toxic to terrestrial vertebrates This product does not contain any known or suspected endocrine disruptors
2.1 Classification of the substance or mixture
Physical hazards Based on available data, the classification criteria are not met Health hazards Acute oral toxicity Category 4 (H302) Environmental hazards Based on available data, the classification criteria are not met