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Home > Products > Organic Intermediate > Material Intermediates > PMDA 99% CAS NO 89-32-7

PMDA  99% CAS NO 89-32-7

PMDA 99% CAS NO 89-32-7

Payment Type: L/C,T/T
Incoterm: FOB,CIF
Min. Order: 25 Kilogram
Delivery Time: 10 Days

Basic Info

    Model No.: cy89-32-7

Additional Info

    Packaging: 25kg

    Productivity: 10000

    Brand: cy

    Transportation: Ocean,Land

    Place of Origin: China

    Supply Ability: 10

    Certificate: Enterprise standard

    Port: QINGDAO

Product Description

Pyromellitic dianhydride is an organic compound with the formula C6H2(C2O3)2. It is the double carboxylic acid anhydride that is used in the preparation of polyimide polymers such as Kapton. It is a white solid.

It is prepared by gas-phase oxidation of 1,2,4,5-tetramethylbenzene (or related tetrasubstituted benzene derivatives).

Chinese Name: dimethyl benzene dianhydride

Chinese alias: PMDA; pyromellitic anhydride (PMDA); phenyl-1,2,4,5-tetracarboxylic dianhydride; 1,2,4,5-phenyltetracarboxylic dianhydride; pyromellitic anhydride; 1,2,4,5-phenyltetracarboxylic anhydride;

English Name: 1,2,4,5-Benzenetetracarboxylic anhydride

English alias: BDF tetron; 1H, 3H-Benzo [1, 2-c: 4, 5-c'] difuran-1, 3, 5, 7-tetrone; pyromelliticaticacidanhydridride; Piromellitic dianhydride; benzene-1, 2, 4, 4, 5-tetracarboxylic dianhydride; benzene-1, 2, 4, 5-tetracarboxylic dianhydride; pyromellic dianhydride; pyromellic dianhydride; 1, 2, 2, 4, 5-benzenacacacacacyldride; pyromellitic dianhydride; pyromellitic dianhydride; Pyryryrolytic dianhydrid; Pyryryrolytic dianhydriPyrom Ellitic anhydride; PMDA;

CAS: 89-32-7

Molecular formula: C10H2O6

Molecular weight: 218.11900

Precise mass: 217.98500 PSA:94.56000

Regulatory information


hazardous chemicals

Physicochemical properties

Appearance and character: white powder

Density: 1,68 g/cm3

Melting point: 283-286 °C (lit.)

Boiling point: 397-400 °C (lit.)

Flash point: 380 °C refractive index: 1.708

Water solubility: decomposes

Stability: Stable under normal temperatures and pressures.

Storage conditions: warehouse ventilation, low temperature drying, separate from oxidizer.

Hazard statement: H317; H318; H334

Cautionary statement: P261; P280; P284; P304 + P340; P305 + P351 + P338 + P310

Customs Code: 2917399090

WGK Germany:1

Danger category code: R41; R42/43

Safety instructions: S22-S24-S26-S37/39

RTECS: DB9300000

Dangerous goods sign: Xn


White powders or needle-like junctions used in the manufacture of high-temperature insulation materials-polyimide resins and polyimide films; special plasticizers tetraoctyl pyromellite; water-soluble coatings and special anticorrosive coatings; curing agents for epoxy resins and crosslinking agents for polyester resins; phthalocyanine blue dyeing Materials and some important derivatives.

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Product Categories : Organic Intermediate > Material Intermediates

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