China (Mainland)
Pyromellitic dianhydride CAS NO.89-32-7
- Min.Order: 1 Kilogram
- Payment Terms: L/C,D/A,D/P,T/T,MoneyGram,Other
- Product Details
Keywords
- Pyromellitic dianhydride
- 1,2,4,5-Benzenetetracarboxylic dianhydride
- benzene-1,2:4,5-tetracarboxylic dianhydride
Quick Details
- ProName: Pyromellitic dianhydride
- CasNo: 89-32-7
- Molecular Formula: C10H2O6
- Appearance: white powder
- Application: In medicine, dyes intermediates
- DeliveryTime: 2-3day
- PackAge: As required
- Port: shanghai or other
- ProductionCapacity: 5 Metric Ton/Month
- Purity: 99%
- Storage: dry
- Transportation: by sea or by air
- LimitNum: 1 Kilogram
Superiority
Changzhou Xuanming Chemical Co., Ltd. is dedicated to the technology development, manufacturing, import and export chemicals, which are specialized in pharmaceutical intermediates, pesticide intermediate, industry of fine chemicals and custom synthesis. Now, we enjoy good reputation among customers and take favorable market share in domestic and at abroad.
Changzhou Xuanming Chemical CO., LTD is located in Northern Jiangshu Industry Park, we have modern manufacture bases and some laboratories, which can supply the key intermediate for your projects, and short your synthesis scheme and supply you a reference compound for bioassay or a high purity analytical standard. We have been abided by “treat technology as first, quality as basis, customers as God, and be honest and sincere”. It is our final aim to provide environmental and high technological products and meet customers’ requirements according to keep effors on developing new chemical fields.
Changzhou Xuanming Chemical CO., LTD promises to help you with heart and soul.
Details
| Pyromellitic Dianhydride Basic information |
| Product Name: | Pyromellitic Dianhydride |
| Synonyms: | 1,2,4,5-Benzenetetracarboxylic 1,2:4,5-dianhydride;1,2,4,5benzenetetracarboxylic1,2:4,5dianhydride;1,2,4,5-benzenetetracarboxylic1,2:4,5-dianhydride;1,2,4,5-Benzenetetracrboxylicdianhydride;pyromelliticacidanhydride;pyromelliticaciddianhydride;Pyromelliticanhydride;1,2,4,5-BENZENETETRACARBOXYLIC ANHYDRIDE |
| CAS: | 89-32-7 |
| MF: | C10H2O6 |
| MW: | 218.12 |
| EINECS: | 201-898-9 |
| Product Categories: | -;Intermediates of Dyes and Pigments;Benzene derivates;Aromatic Tetracarboxylic Dianhydrides (for High-Performance Polymer Research);Functional Materials;Reagent for High-Performance Polymer Research;fine chemicals, specialty chemicals, intermediates, electronic chemical, organic synthesis;fine chemicals, specialty chemicals, intermediates, electronic chemical, organic synthesis, functional materials;fine chemicals;Organics |
| Mol File: | 89-32-7.mol |
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| Pyromellitic Dianhydride Chemical Properties |
| Melting point | 283-286 °C(lit.) |
| Boiling point | 397-400 °C(lit.) |
| density | 1,68 g/cm3 |
| refractive index | 1.6000 (estimate) |
| Fp | 380 °C |
| solubility | Soluble in dimethyl sulfoxide, acetone, chloroform, ethyl ether, n-hexane and benzene. |
| form | Fine Powder |
| color | White to pale yellow |
| Water Solubility | decomposes |
| Sensitive | Moisture Sensitive |
| BRN | 213583 |
| InChIKey | ANSXAPJVJOKRDJ-UHFFFAOYSA-N |
| CAS DataBase Reference | 89-32-7(CAS DataBase Reference) |
| NIST Chemistry Reference | 1,2,4,5-Benzenetetracarboxylic anhydride(89-32-7) |
| EPA Substance Registry System | 1H,3H-Benzo[1,2- c:4,5-c']difuran-1,3, 5,7-tetrone(89-32-7) |
| Safety Information |
| Hazard Codes | Xn |
| Risk Statements | 41-42/43 |
| Safety Statements | 22-24-26-37/39 |
| WGK Germany | 1 |
| RTECS | DB9300000 |
| F | 10-21 |
| TSCA | Yes |
| HS Code | 29173980 |
| Hazardous Substances Data | 89-32-7(Hazardous Substances Data) |
| Pyromellitic Dianhydride Usage And Synthesis |
| Chemical Properties | White powder. Soluble in some organic solvents; hydrolyzes to the acid when exposed to moisture. |
| Uses | Pyromellitic dianhydride (PMDA) is employed as a curing agent for epoxy agent resins used for casting, laminating, the manufacture of moulding powders, adhesives and coatings. |
| Uses | pyromellitic dianhydride be used for preparation polyimide and epoxy resin material. |
| Hazard | Skin irritant. |
| Purification Methods | Crystallise the dianhydride from ethyl methyl ketone or dioxane. Dry, and sublime it in vacuo.[Beilstein 19 H 196, 19/5 V 407.] |
