Note: Ingredients listed on restricted chemical lists
EC/CAS
52-24-4
Name of the chemical
Thiotepa (INN)
Concentration
<=100
General Information
Version
4
Revision date
2025-12-21
Product name
Tri(1-aziridinyl)phosphine sulfide
Product Synonyms
Thio-TEPA; Tris(1-aziridinyl)phosphine sulfide
CAS No.
52-24-4
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
Thermo Fisher Scientific Chemicals, Inc
GHS Information
Signal word
Danger
Hazard Codes
Hazard statements (CLP)
H300, H340, H350
Hazard statements
Code
Statements
H300
Fatal 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 Fatal if swallowed May cause genetic defects May cause cancer
Prevention
Obtain special instructions before use Do not handle until all safety precautions have been read and understood Wash face, hands and any exposed skin thoroughly after handling Do not eat, drink or smoke when using this product Wear protective gloves/protective clothing/eye protection/face protection
Response
IF exposed or concerned: Get medical attention/advice Ingestion IF SWALLOWED: Immediately call a POISON CENTER or doctor 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
2.1 Classification of the substance or mixture
This chemical is considered hazardous according to [US] OSHA (29 CFR 1910.1200, 2024) Acute oral toxicity Category 2 Germ Cell Mutagenicity Category 1A Carcinogenicity Category 1A Combustible dust Yes
