1,2,4-Bbenzenetricarboxylic 1,2-anhydride
NIOSH Potential Occupational Carcinogen
Corrosion
Exclamation Mark
Health Hazard
Hazard Statements
| Code | Statement | Hazard Class |
|---|---|---|
H303 |
May be harmful if swallowed | Acute toxicity, oral |
H316 |
Causes mild skin irritation | Skin corrosion/irritation |
H317 |
May cause an allergic skin reaction | Sensitization, Skin |
H318 |
Causes serious eye damage | Serious eye damage/eye irritation |
H334 |
May cause allergy or asthma symptoms or breathing difficulties if inhaled | Sensitization, respiratory |
H370 |
Causes damage to organs | Specific target organ toxicity, single exposure |
H372 |
Causes damage to organs through prolonged or repeated exposure | Specific target organ toxicity, repeated exposure |
Precautionary Statements
| Code | Statement |
|---|---|
P233 |
Keep container tightly closed. |
P260 |
Do not breathe dust/fume/gas/mist/vapors/spray. |
P261 |
Avoid breathing dust/fume/gas/mist/vapors/spray. |
P264 |
Wash hands [and ...] thoroughly after handling. |
P264+P265 |
Wash hands [and ...] thoroughly after handling. Do not touch eyes. |
P270 |
Do not eat, drink or smoke when using this product. |
P271 |
Use only outdoors or in a well-ventilated area. |
P272 |
Contaminated work clothing should not be allowed out of the workplace. |
P280 |
Wear protective gloves/protective clothing/eye protection/face protection/hearing protection/... |
P284 |
[In case of inadequate ventilation] Wear respiratory protection. |
P301+P317 |
IF SWALLOWED: Get medical help. |
P302+P352 |
IF ON SKIN: wash with plenty of water/... |
P304+P340 |
IF INHALED: Remove person to fresh air and keep comfortable for breathing. |
P305+P354+P338 |
IF IN EYES: Immediately rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing. |
P308+P316 |
IF exposed or concerned: Get emergency medical help immediately. |
P317 |
Get emergency medical help. |
P319 |
Get medical help if you feel unwell. |
P321 |
Specific treatment (see information on this label and safety datasheet)). |
P332+P317 |
If skin irritation occurs: Get medical help. |
P333+P317 |
If skin irritation or rash occurs: Get medical help. |
P342+P316 |
If experiencing respiratory symptoms: Get emergence medical help immediately. |
P362+P364 |
Take off contaminated clothing and wash it before reuse. |
P403 |
Store in a well-ventilated place. |
P405 |
Store locked up. |
P501 |
Dispose of contents/container to ... |
Exposure Limits
| NIOSH REL | 5.0000000000000001E-3 ppm |
| Skin Notation | Yes — can be absorbed through skin |
Physical Properties
Colorless solid as crystals or off-white flakes.
| Boiling Point | 464-473°F at 14 mmHg |
| Flash Point | 440.6°F |
| Vapor Pressure | 0.000004 mmHg |
| Specific Gravity | 1.55 at 68°F |
Synonyms
1,2,4-benzenetricarboxylic anhydride; 4-carboxyphthalic anhydride; TMA; TMAN; trimellic acid anhydride
Data Sources
- GHS Classification: PubChem CID 11089
- NIOSH REL/IDLH: NIOSH Pocket Guide
Disclaimer: This information is compiled from public regulatory databases for reference only. It does not replace the manufacturer's Safety Data Sheet (SDS). Always consult the official SDS for your specific product before handling chemicals.
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