Pyromellitic dianhy...

Pyromellitic dianhydride

Pyromellitic dianhydride

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1 Kilogram

Negotiable

  • Min.Order :1 Kilogram
  • Purity: 99%
  • Payment Terms : L/C,D/A,D/P,T/T,,MoneyGram,Other

Keywords

Pyromellitic dianhydride 1,2,4,5-Benzenetetracarboxylic dianhydride benzene-1,2:4,5-tetracarboxylic dianhydride

Quick Details

  • Appearance:white powder
  • Application:In medicine, dyes intermediates
  • PackAge:As required
  • ProductionCapacity:5|Metric Ton|Month
  • Storage:dry
  • Transportation:by sea or by air

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
Pyromellitic Dianhydride Structure
 
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.]

 

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