Note: Ingredients listed on restricted chemical lists
EC/CAS
7681-57-4
Name of the chemical
Sodium metabisulfite
Concentration
<=100
General Information
Version
5
Revision date
2025-12-21
Product name
Sodium metabisulfite
Product Synonyms
Sodium pyrosulfite
CAS No.
7681-57-4
Emergency telephone
1-800-234-7437, 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
GHS Information
Signal word
Danger
Hazard Codes
Hazard statements (CLP)
H302, H318
Hazard statements
Code
Statements
H302
Harmful if swallowed
Section 2
SECTION 2: Hazards identification
Classification WHMIS 2015 Classification This product is hazardous in accordance with the Canada Hazardous Products Act (HPA) and Hazardous Products Regulation (HPR), as amended (SOR/2022-272) Acute oral toxicity Category 4 Serious Eye Damage/Eye Irritation Category 1 Health Hazards Not Otherwise Classified Category 1 Contact with acids liberates toxic gas
Signal word
Danger
Hazard statements
Harmful if swallowed Causes serious eye damage Contact with acids liberates toxic gas
Prevention
Take any precaution to avoid mixing with acids Do not breathe dust/fumes/gas/mist/vapours/spray Wear respiratory protection Wash face, hands and any exposed skin thoroughly after handling Do not eat, drink or smoke when using this product Wear protective gloves/protective clothing/eye protection/face protection
Response
IF INHALED: Remove person to fresh air and keep comfortable for breathing Immediately call a POISON CENTER/doctor IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing Rinse mouth
Disposal
Dispose of contents/container to an approved waste disposal plant
2.1 Classification of the substance or mixture
WHMIS 2015 Classification This product is hazardous in accordance with the Canada Hazardous Products Act (HPA) and Hazardous Products Regulation (HPR), as amended (SOR/2022-272) Acute oral toxicity Category 4 Serious Eye Damage/Eye Irritation Category 1 Health Hazards Not Otherwise Classified Category 1 Contact with acids liberates toxic gas