Note: Ingredients listed on restricted chemical lists
EC/CAS
16731-55-8
Name of the chemical
Dipotassium disulphite
Concentration
>95
General Information
Version
6
Revision date
2025-12-19
Product name
Potassium metabisulfite
Product Synonyms
Pyrosulfurous Acid, Dipotassium Salt; Dipotassium Disulfate; Potassium Pyrosulfate
CAS No.
16731-55-8
Manufacturer Name
Fisher Scientific
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)
H318
Hazard statements
Code
Statements
H318
Causes serious eye damage
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) 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
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 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
Disposal
Dispose of contents/container to an approved waste disposal plant
2.1 Classification of the substance or mixture
and Hazardous Products Regulation (HPR), as amended (SOR/2022-272) Serious Eye Damage/Eye Irritation Category 1 Health Hazards Not Otherwise Classified Category 1 Contact with acids liberates toxic gas Label Elements Signal Word
