General Information
Version
This safety data sheet was created pursuant to the requirements of
Revision date
2025-12-18
Product name
2-Mercaptopropionic acid
Product Synonyms
Thiolactic acid
CAS No.
79-42-5
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)
H227, H290, H302, H314, H317, H335
Hazard statements
Code
Statements
H227
Combustible liquid
Section 2
SECTION 2: Hazards identification
(29 CFR 1910.1200) Classification
Signal word
Danger
Hazard statements
Combustible liquid May be corrosive to metals Harmful if swallowed Causes severe skin burns and eye damage May cause respiratory irritation May cause an allergic skin reaction
Prevention
Wash face, hands and any exposed skin thoroughly after handling Do not eat, drink or smoke when using this product Do not breathe dust/fume/gas/mist/vapors/spray Wear protective gloves/protective clothing/eye protection/face protection Contaminated work clothing should not be allowed out of the workplace Use only outdoors or in a well-ventilated area Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking Keep only in original packaging Keep cool
Response
Immediately call a POISON CENTER or doctor Inhalation IF INHALED: Remove person to fresh air and keep comfortable for breathing Skin IF ON SKIN (or hair): Take off immediately all contaminated clothing. Rinse skin with water or shower Take off contaminated clothing and wash before reuse If skin irritation or rash occurs: Get medical advice/attention Eyes IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing Ingestion Rinse mouth Do NOT induce vomiting Fire In case of fire: Use CO2, dry chemical, or foam to extinguish Spills Absorb spillage to prevent material damage
Storage
Store locked up Store in a well-ventilated place. Keep container tightly closed Store in corrosive resistant polypropylene container with a resistant inliner Store in a dry place
Disposal
Dispose of contents/container to an approved waste disposal plant
2.3 Other hazards
None identified
Other hazards
Stench.
2.1 Classification of the substance or mixture
Category 4 Corrosive to metals Category 1 Acute oral toxicity Category 4 Skin Corrosion/Irritation Category 1 A Serious Eye Damage/Eye Irritation Category 1 Skin Sensitization Category 1 Specific target organ toxicity (single exposure) Category 3 Target Organs - Respiratory system. Label Elements Signal Word
