General Information
Version
6
Revision date
2026-08-07
Product name
Methylsulfuric acid potassium salt
Product Synonyms
Methyl potassium sulfate; Potassium methyl sulfate
CAS No.
562-54-9
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 Company
GHS Information
Signal word
Danger
Hazard Codes
Hazard statements (CLP)
H302, H315, H319, H335, H350
Hazard statements
Code
Statements
H302
Harmful if swallowed
Section 2
SECTION 2: Hazards identification
(29 CFR 1910.1200) Classification
Signal word
Danger
Hazard statements
May form combustible dust concentrations in air Harmful if swallowed Causes skin irritation Causes serious eye irritation May cause respiratory irritation May cause cancer
Prevention
Obtain special instructions before use Do not handle until all safety precautions have been read and understood Wear protective gloves/protective clothing/eye protection/face protection Wash face, hands and any exposed skin thoroughly after handling Do not eat, drink or smoke when using this product Avoid breathing dust/fume/gas/mist/vapors/spray Use only outdoors or in a well-ventilated area
Response
IF exposed or concerned: Get medical attention/advice Inhalation IF INHALED: Remove person to fresh air and keep comfortable for breathing Skin IF ON SKIN: Wash with plenty of soap and water If skin irritation occurs: Get medical advice/attention Take off contaminated clothing Eyes IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing If eye irritation persists: Get medical advice/attention Ingestion IF SWALLOWED: Call a POISON CENTER or doctor/physician if you feel unwell Rinse mouth
Storage
Store locked up Store in a well-ventilated place. Keep container tightly closed
Disposal
Dispose of contents/container to an approved waste disposal plant
2.3 Other hazards
None identified
2.1 Classification of the substance or mixture
Category 4 Skin Corrosion/Irritation Category 2 Serious Eye Damage/Eye Irritation Category 2 Carcinogenicity Category 1A Specific target organ toxicity (single exposure) Category 3 Target Organs - Respiratory system. Combustible dust Yes Label Elements Signal Word