Note: Ingredients listed on restricted chemical lists
EC/CAS
552-30-7
Name of the chemical
Benzene-1,2,4-tricarboxylic acid 1,2-anhydride
Concentration
>= 97 - <= 100
General Information
Version
1.2
Revision date
2025-10-14
Product name
Trimellitic Anhydride
CAS No.
552-30-7
1.2.1 Relevant identified uses
For laboratory research purposes
Emergency telephone
+81-3-5640-8878, +81-3-5640-8902
Icons in SDS
Company Information
company name
TOKYO CHEMICAL INDUSTRY CO., LTD
e-mail address of the competent person responsible for the Safety Data Sheet
globalbusiness@tcichemicals.com
GHS Information
Signal word
Danger
Hazard Codes
Hazard statements (CLP)
H317, H318, H334
Hazard statements
Code
Statements
H317
May cause an allergic skin reaction
Section 2
SECTION 2: Hazards identification
GHS Classification GHS classification of chemical product Serious eye damage/eye irritation Category 1 Respiratory sensitization Category 1 Skin sensitization Category 1 Specific target organ toxicity - Category 1 (Respiratory organs) single exposure Specific target organ toxicity - Category 1 (Respiratory organs, Immune system) repeated exposure
Signal word
Danger
Hazard statements
May cause an allergic skin reaction. Causes serious eye damage. May cause allergy or asthma symptoms or breathing difficulties if in- haled. Causes damage to organs (Respiratory organs). Causes damage to organs (Respiratory organs, Immune system) through prolonged or repeated exposure.
Prevention
Do not breathe dust. Wash skin thoroughly after handling. Do not eat, drink or smoke when using this product. Contaminated work clothing should not be allowed out of the work- place. Wear protective gloves/ eye protection/ face protection. Wear respiratory protection.
Response
IF ON SKIN: Wash with plenty of water. IF INHALED: Remove person to fresh air and keep comfortable for breathing. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. Immediate- ly call a POISON CENTER/ doctor. IF exposed or concerned: Call a POISON CENTER/ doctor. If skin irritation or rash occurs: Get medical advice/ attention. If experiencing respiratory symptoms: Call a POISON CENTER/ doc- tor. Take off contaminated clothing and wash it before reuse.
Storage
Store locked up.
Disposal
Dispose of contents/ container to an approved waste disposal plant.
Other hazards which do not result in classification
None known.
2.1 Classification of the substance or mixture
Serious eye damage/eye irritation : Category 1 Respiratory sensitization : Category 1 Skin sensitization : Category 1 Specific target organ toxicity - : Category 1 (Respiratory organs) single exposure Specific target organ toxicity - : Category 1 (Respiratory organs, Immune system) repeated exposure
