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Pyromellitic dianhydride, 97%

Catalog No. p-7020673
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AAA1271222 100 g
AAA1271236 500 g
AAA127120E 2500 g
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Catalog No. AAA1271222 Supplier Thermo Scientific Chemicals Supplier No. A1271222
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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.

Applications
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.

Solubility
Soluble in dimethyl sulfoxide, acetone, chloroform, ethyl ether, n-hexane and benzene.

Notes
Moisture sensitive. Store in cool place. Keep the container tightly closed in a dry and well-ventilated place. Incompatible with alcohols and strong oxidizing agents.

Chemical Identifiers

CAS 89-32-7
Molecular Formula C10H2O6
Molecular Weight (g/mol) 218.12
MDL Number MFCD00005005
InChI Key ANSXAPJVJOKRDJ-UHFFFAOYSA-N
Synonym 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
PubChem CID 6966
IUPAC Name furo[3,4-f][2]benzofuran-1,3,5,7-tetrone
SMILES O=C1OC(=O)C2=CC3=C(C=C12)C(=O)OC3=O

Specifications

Melting Point 284°C to 288°C
Density 1.68
Boiling Point 305°C to 310°C (30 mmHg)
Flash Point 380°C (716°F)
Quantity 100 g
Beilstein 213583
Sensitivity Moisture sensitive
Solubility Information Soluble in dimethyl sulfoxide,acetone,chloroform,ethyl ether,n-hexane and benzene.
Formula Weight 218.12
Percent Purity 97%
Chemical Name or Material Pyromellitic dianhydride
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Safety and Handling

Hazard Category H317-H318-H334
Hazard Statement GHS H Statement
H334-H318-H317
May cause allergy or asthma symptoms or breathing difficulties if inhaled.
Causes serious eye damage.
May cause an allergic skin reaction.
Precautionary Statement P261-P272-P280-P285-P302+P352-P304+P341-P305+P351+P338-P310-P333+P313-P342+P311-P363-P501c
EINECSNumber 201-898-9
RTECSNumber DB9300000
TSCA Yes
Recommended Storage Ambient temperatures

RUO – Research Use Only