Note: Ingredients listed on restricted chemical lists
EC/CAS
60-56-0
Name of the chemical
Thiamazole (INN)
Concentration
Thiamazole
General Information
Revision date
2019-05-29
Product name
Methimazole
Product Synonyms
Thiamazole
Chemical name
1-Methylimidazole-2-thiol
CAS No.
60-56-0
1.2.1 Relevant identified uses
Specified quality tests and assay use only
Manufacturer Name
U. S. Pharmacopeia
Emergency telephone
1-800-424-9300, +1 703-527-3887
Icons in SDS
Company Information
company name
U. S. Pharmacopeia
e-mail address of the competent person responsible for the Safety Data Sheet
RSTECH@usp.org
GHS Information
Signal word
Warning
Hazard Codes
Hazard statements (CLP)
H317, H319, H361, H373
Hazard statements
Code
Statements
H317
May cause an allergic skin reaction
Section 2
SECTION 2: Hazards identification
Physical hazards
Not classified
Health hazards
Serious eye damage/eye irritation Category 2A Sensitization, skin Category 1B Reproductive toxicity Category 2 Specific target organ toxicity, repeated Category 2 (thyroid gland) exposure
Environmental hazards
Not classified
Signal word
Warning
Hazard statements
Causes serious eye irritation. Suspected of damaging fertility or the unborn child. May cause an allergic skin reaction. May cause damage to organs (thyroid gland) through prolonged or repeated exposure.
Prevention
Obtain special instructions before use. Do not handle until all safety precautions have been read and understood. Do not breathe dust. Wash thoroughly after handling. Contaminated work clothing must not be allowed out of the workplace. Wear protective gloves/protective clothing/eye protection/face protection.
Response
If on skin Wash with plenty of water/. If skin irritation or rash occurs Get medical advice/attention Wash contaminated clothing before reuse. 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. If exposed or concerned Get medical advice/attention. Get medical advice/attention if you feel unwell.
Storage
Store locked up.
Disposal
Dispose of contents/container in accordance with local/regional/national/international regulations. Hazard(s) not otherwise None known. classified (HNOC)
Additional information
Pharmacologically active material.
2.1 Classification of the substance or mixture
Not classified. Health hazards Serious eye damage/eye irritation Category 2A Sensitization, skin Category 1B Reproductive toxicity Category 2 Specific target organ toxicity, repeated Category 2 (thyroid gland) exposure Environmental hazards Not classified. OSHA defined hazards Not classified.
