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  7. Dianhydride pyromellitique, 98 %, Thermo Scientific Chemicals

Dianhydride pyromellitique, 98 %, Thermo Scientific Chemicals

Product Code. 15472447
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Product Code. 15472447 Supplier Thermo Scientific Alfa Aesar Supplier No. 045788.A3
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Description

CAS: 89-32-7 | C10H2O6 | 218.12 g/mol

Pyromellitic dianhydride is used as a monomer in the preparation of polyimide polymers such as kapton; thermoplastics such as polyesters, polyethers, plasticizers, and expoxy resins. It is involved in the preparation of high performance coatings due to its mechanical, thermal and oxidative stability properties. It acts as a curing agent for epoxy resins which find application in adhesives, coatings and molding powders. As an intermediate, it plays an important role in polyimide based materials like printed circuit boards, tape automated bonding and magnetic wire insulation.

This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.

TRUSTED_SUSTAINABILITY

Chemical Identifiers

CAS 89-32-7
Formule moléculaire C10H2O6
Poids moléculaire (g/mol) 218.12
Numéro MDL MFCD00005005
Clé InChI ANSXAPJVJOKRDJ-UHFFFAOYSA-N
Synonyme pyromellitic dianhydride, pyromellitic anhydride, pyromellitic acid anhydride, 1,2,4,5-benzenetetracarboxylic anhydride, pyromellitic acid dianhydride, 1h,3h-benzo 1,2-c:4,5-c' difuran-1,3,5,7-tetrone, pmda, benzo 1,2-c:4,5-c' difuran-1,3,5,7-tetraone, unii-2z22t30qzq, 1,2,4,5-benzenetetracarboxylic dianhydride
CID PubChem 6966
SMILES O=C1OC(=O)C2=CC3=C(C=C12)C(=O)OC3=O

Specifications

Nom chimique ou matériau Pyromellitic dianhydride
Point de fusion 284°C to 288°C
Couleur Blanc à jaune
Densité 1.68 g/mL
Point d’ébullition 305°C to 310°C (30 mmHg)
Point d’éclair 380°C (716°F)
Quantité 2 kg
Beilstein 213583
Sensibilité Moisture sensitive
Informations sur la solubilité Soluble in dimethyl sulfoxide,acetone,chloroform,ethyl ether,n-hexane and benzene.
Nom IUPAC 5,11-dioxatricyclo[7.3.0.0³,⁷]dodeca-1,3(7),8-triene-4,6,10,12-tetrone
Poids de la formule 218.12
Pourcentage de pureté 98%
Forme physique Poudre cristalline
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