Current location: Home > Products > Acid Anhydride
1 2 4 Benzenetricarboxylic Trimellitic Anhydride CAS No 552-30-7
Mat No.1000407
Product name: Trimellitic anhydride
TMA
Chemical name: 1,2,4-Benzenetricarboxylic Anhydride
CAS No.: 552-30-7
Molecular formula: C9H4O5
Molecular weight: 192.2
Product Details
Appearance: white flakes.
Melting point: 163-168 0C
Anhydride Content 98% min
Acidity (KOHmg/g) ≥ 870
| Melting point | 163-166 °C |
| 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 conditions | Store below +30°C. |
| Form | Flaky Crystals |
| Colour | White to off-white |
| PH value | 2 (21g/l, H2O, 20℃) |
| Explosive limit | 1-7%(V) |
| Water solubility | DECOMPOSES |
| Sensitivity | Moisture Sensitive |
| stability | Stable. Moisture sensitive. |
| Solubilty | Soluble in hot water, acetone, 2-butanone, dimethylformamide, ethyl acetate, and cyclohexanone. It is soluble in absolute ethanol and reacts. |
Used to make unsaturated polyester resin, polyimide resin, polyvinyl chloride heat-resistant plasticizer, epoxy resin curing agent, dye, capacitor impregnating oil and adhesive, etc.
25kg/bag, 500kg/bag.
| Dangerous Goods Sign | Xn |
| Hazard category code | 37-41-42/43 |
| safety instructions | 22-26-36/37/39 |
| toxicity |
LD50 orally in Rabbit:> 2730 mg/kg LD50 dermal Rabbit 23000 mg/kg |
Contact Us
Address：
Email：
Phone：
