General Information
Version
QUA01837
Revision date
2026-03-16
Product name
Potassium hydrogen sulfate
Product Synonyms
Acid potassium sulfate; Potassium hydrogen sulphate; Sulfuric acid, monopotassium salt
CAS No.
7646-93-7
supplier name
Thermo Fisher Scientific India Pvt. Ltd
Emergency telephone
(800) 424-9300, 001 (202) 483-7616
Icons in SDS
Company Information
company name
Thermo Fisher Scientific India Pvt. Ltd
e-mail address of the competent person responsible for the Safety Data Sheet
laboratorysolution@thermofisher.com
GHS Information
Signal word
Danger
Hazard Codes
Hazard statements (CLP)
H303, H314, H335
Hazard statements
Code
Statements
H303
May be harmful if swallowed
Section 2
SECTION 2: Hazards identification
Classification of the substance or mixture Acute Oral Toxicity Category 5 Skin Corrosion/Irritation Category 1 B Serious Eye Damage/Eye Irritation Category 1 Specific target organ toxicity - (single exposure) Category 3 Label Elements
Signal word
Danger Hazard Statements H303 - May be harmful if swallowed H314 - Causes severe skin burns and eye damage H335 - May cause respiratory irritation
Prevention
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 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 P362 + P364 - Take off contaminated clothing and wash it before reuse
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
This product does not contain any known or suspected endocrine disruptors.
2.1 Classification of the substance or mixture
Acute Oral Toxicity Category 5 Skin Corrosion/Irritation Category 1 B Serious Eye Damage/Eye Irritation Category 1 Specific target organ toxicity - (single exposure)
