Note: Ingredients listed on restricted chemical lists
EC/CAS
100-20-9
Name of the chemical
terephthalic acid dichloride
Concentration
>=99-<=100
General Information
Version
2.4
Revision date
2026-08-09
Product name
Terephthaloyl Chloride
CAS No.
100-20-9
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)
H290, H314, H331
Hazard statements
Code
Statements
H290
May be corrosive to metals
Section 2
SECTION 2: Hazards identification
GHS classification of chemical product Corrosive to Metals Category 1 Acute toxicity (Inhalation) Category 3 Skin corrosion/irritation Sub-category 1B Serious eye damage/eye irritation Category 1 Specific target organ toxicity - Category 2 (Systemic toxicity) single exposure
Signal word
Danger
Hazard statements
May be corrosive to metals. Causes severe skin burns and eye damage. Toxic if inhaled. May cause damage to organs (Systemic toxicity).
Prevention
Keep only in original packaging. Do not breathe dust. Wash skin thoroughly after handling. Do not eat, drink or smoke when using this product. Use only outdoors or in a well-ventilated area. Wear protective gloves/ protective clothing/ eye protection/ face pro- tection.
Response
IF SWALLOWED: Rinse mouth. Do NOT induce vomiting. IF ON SKIN (or hair): Take off immediately all contaminated clothing. Rinse skin with water. IF INHALED: Remove person to fresh air and keep comfortable for breathing. Immediately call a POISON CENTER/ doctor. 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. Wash contaminated clothing before reuse. Absorb spillage to prevent material damage.
Storage
Store in a well-ventilated place. Keep container tightly closed. Store locked up. Store in a corrosion resistant container with a resistant inner liner.
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
Corrosive to Metals : Category 1 Acute toxicity (Inhalation) : Category 3 Skin corrosion/irritation : Sub-category 1B Serious eye damage/eye irritation : Category 1 Specific target organ toxicity - : Category 2 (Systemic toxicity) single exposure
