A1220612
1,2,4-Benzenetricarboxylic anhydride , 97% , 552-30-7
Synonym(s):
1,2,4-Benzenetricarboxylic 1,2-anhydride;Benzene-1,2,4-tricarboxylic anhydride;Trimellitic acid anhydride;Trimellitic anhydride
CAS NO.：552-30-7
Empirical Formula: C9H4O5
Molecular Weight: 192.13
MDL number: MFCD00005925
EINECS: 209-008-0
| Pack Size | Price | Stock | Quantity |
| 100G | RMB23.20 | In Stock |
|
| 250g | RMB39.20 | In Stock |
|
| 500G | RMB59.20 | In Stock |
|
| 1KG | RMB114.40 | In Stock |
|
| 5KG | RMB558.40 | In Stock |
|
| others | Enquire |
Update time: 2022-07-08
PRODUCT 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) |
| pka | 3.11±0.20(Predicted) |
| form | Flakes |
| 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 |
| Exposure limits | ACGIH: TWA 0.0005 mg/m3; STEL 0.002 mg/m3 (Skin) NIOSH: TWA 0.005 ppm(0.04 mg/m3) |
| Stability: | Stable. Moisture sensitive. |
| InChIKey | SRPWOOOHEPICQU-UHFFFAOYSA-N |
| LogP | 0.06-0.54 at 20℃ |
Description and Uses
Trimellitic Anhydride is mainly used as raw material for polyester resin,polyimide resin,plasticizer TOTM ,and also be used for producing heatproof & insulating,adhesive,surfactant, paint,synthesize dye materials etc. Trimellitic anhydride is used as an embossing agent for vinyl flooring and as a curing agent for epoxy resins. It is also used as an intermediate for the synthesis of surface coatings chemicals, adhesives, polymers, dyes printing inks, pharmaceuticals .
Safety
| Symbol(GHS) |    GHS05,GHS07,GHS08 |
| 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 |
| Toxicity | LD50 orally in Rabbit: > 2730 mg/kg LD50 dermal Rabbit 23000 mg/kg |
