Product Details
| Product Name: Pyromellitic Dianhydride | CAS No.: 89-32-7 |
| EC-No.: 201-898-9 | Min. Order: 1kg |
| Purity: 99% | Supply Ability: 20 tons |
| Release date: 2025/06/20 |
| Chinese name | Homophthalic dianhydride |
| English name | 1,2,4,5-Benzenetetracarboxylic anhydride |
| alias | 1,2,4,5-Benzeneteic anhydridePMDA benzenetetracarboxylic anhydride 1,2,4,5-phthalic anhydride 1,2,4,5- Phthalboxylic dianhydride |
| English alias | Pyromellitic dianhydride 1,2,4,5-Benzenetetracarboxylic dianhydride benzene-1,2:4,5-tetracarboxylic dianhydride PMDA 1H,3H-benzo[1,2-c:4,5-c']difuran-1,3,5,7-tetrone PyromelliticDianhydride |
| CAS | 89-32-7 |
| EINECS | 201-898-9 |
| chemical formula | C10H2O6 |
| molecular weight | 218.119 |
| density | 1.885g/cm3 |
| melting point | 283-287℃ |
| boiling point | 398.6°C at 760 mmHg |
| flash point | 183.5°C |
| water solubility | decomposes |
| vapour pressure | 1.45E-06mmHg at 25°C |
| refractive index | 1.708 |
| Physicochemical properties | Properties White yellowish lumpy powdery solid crystals Solubility Soluble in dimethyl sulfoxide, dimethylformamide, acetone. |
| Product Usage | It is used to make polyimide resin, high temperature resistant electrical insulation paint, PVC plasticizer, synthetic resin crosslinker and epoxy resin curing agent, and is also used to make phthalocyanine blue dye |
Company Profile Introduction
Hebei Yanxi Chemical Co. LTD., mainly produce the Carbomer940/980/u21 and lead acetate and lead oxide, lead stearate, lead salt, at the same time operating organic intermediates, surfactants, Food additive,inorganic salt, plant extracts, cosmetics raw material, etc., through long-term development, hebei said bush chemical co., LTD. In hebei province has become a collection of r &d, production, sales in the integration of high-tech enterprises.
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