General Information
Version
11
Revision date
2026-07-17
Product name
Potassium pyrosulfate
Product Synonyms
Potassium disulfate
CAS No.
7790-62-7
supplier name
Fisher Scientific UK
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 UK
e-mail address of the competent person responsible for the Safety Data Sheet
begel.sdsdesk@thermofisher.com
GHS Information
Signal word
Danger
Hazard Codes
Hazard statements (CLP)
H314, H331
Hazard statements
Code
Statements
H314
Causes severe skin burns and eye damage
Section 2
SECTION 2: Hazards identification
Physical State
Appearance/Odor
Powder Solid White Odorless Emergency Overview Causes severe skin burns and eye damage. Toxic if inhaled. Moisture sensitive. Classification of the substance or mixture Acute Inhalation Toxicity - Dusts and Mists Category 3 Skin Corrosion/Irritation Category 1 A Serious Eye Damage/Eye Irritation Category 1
Signal word
Danger
Hazard statements
H314 - Causes severe skin burns and eye damage H331 - Toxic if inhaled
Prevention
P264 - Wash face, hands and any exposed skin thoroughly after handling P271 - Use only outdoors or in a well-ventilated area P280 - Wear protective gloves/protective clothing/eye protection/face protection
Response
P301 + P330 + P331 - IF SWALLOWED: rinse mouth. Do NOT induce vomiting P303 + P361 + P353 - IF ON SKIN (or hair): Take off immediately all contaminated clothing. Rinse skin with water or shower P304 + P340 - IF INHALED: Remove person to fresh air and keep comfortable for breathing P305 + P351 + P338 - IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing P310 - Immediately call a POISON CENTER or doctor P363 - Wash contaminated clothing before reuse
Storage
P403 + P233 - Store in a well-ventilated place. Keep container tightly closed P405 - Store locked up
Disposal
P501 - Dispose of contents/ container to an approved waste disposal plant
Other physicochemical hazards
None identified.
Health hazards
Corrosive. Causes skin and eye burns. Toxic if inhaled.
Environmental hazards
Contains no substances known to be hazardous to the environment or not degradable in waste water treatment plants. Is not likely mobile in the environment. Decomposes in contact with water.
2.3 Other hazards
This product does not contain any known or suspected endocrine disruptors.
2.1 Classification of the substance or mixture
Acute Inhalation Toxicity - Dusts and Mists Category 3 Skin Corrosion/Irritation Category 1 A Serious Eye Damage/Eye Irritation
