Trimellitic Acid Anhydride
- Product NameTrimellitic Acid Anhydride
- CAS552-30-7
- CBNumberCB00124413
- MFC9H4O5
- MW192.13
- EINECS209-008-0
- MDL NumberMFCD00005925
- MOL File552-30-7.mol
- MSDS FileSDS
Chemical Properties
| Melting point | 163-166 °C (lit.) |
| Boiling point | 390 °C |
| Density | 1.54 |
| vapor density | 6.6 (vs air) |
| vapor pressure | <0.01 mm Hg ( 20 °C) |
| refractive index | 1.4717 (estimate) |
| Flash point | 227 °C |
| storage temp. | Store below +30°C. |
| solubility | 24.4g/l (decomposition) |
| form | Flakes |
| pka | 3.11±0.20(Predicted) |
| color | White to off-white |
| PH | 2 (21g/l, H2O, 20℃) |
| explosive limit | 1-7%(V) |
| Water Solubility | DECOMPOSES |
| Sensitive | Moisture Sensitive |
| Merck | 14,9703 |
| BRN | 9394 |
Safety
| Symbol(GHS) |
  
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| Signal word | Danger | |||||||||
| Hazard statements | H317-H318-H334-H335 | |||||||||
| Precautionary statements | P261-P271-P280-P302+P352-P304+P340+P312-P305+P351+P338 | |||||||||
| Hazard Codes | Xn | |||||||||
| Risk Statements | 37-41-42/43 | |||||||||
| Safety Statements | 22-26-36/37/39 | |||||||||
| OEB | D | |||||||||
| OEL | TWA: 0.005 ppm (0.04 mg/m3) Should be handled in the workplace as an extremely toxic substance. | |||||||||
| WGK Germany | 1 | |||||||||
| RTECS | DC2050000 | |||||||||
| F | 10-21 | |||||||||
| TSCA | Yes | |||||||||
| HS Code | 29173980 | |||||||||
| Hazardous Substances Data | 552-30-7(Hazardous Substances Data) | |||||||||
| Toxicity | LD50 orally in Rabbit: > 2730 mg/kg LD50 dermal Rabbit 23000 mg/kg | |||||||||
| NFPA 704: |
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