Pyromellitic Dianhydride
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Product Description
Product
Pyromellitic Dianhydride
CAS
89-32-7
Formula
C6H2(C2O3)2
Synonym
1,2,4,5-Benzenetetracarboxylic Dianhydride; 1H,3H-Benzo[1,2-c:4,5-c']difuran-1,3,5,7-tetrone
Typical Product Specifications
Melting Point
282 - 288C
Boiling Point
397 - 400C
Density
1.68 g/cm^3
Content
>= 99.5%
Appearance
White or light yellow
Neutralization Equivalent
54.5 +- 0.2
pH
2.2 (3.9 gl)
Vapor Pressure
63 mm hg (290 c)
Molecular weight
218.12
Solubility
g100 g in water, reacts to give tetra-acid
Notes
Pyromellitic Dianhydride is a very popular compound used mainly for producing polyimid resin and insulating paint. It is also a high temperature curing agent and plasticizer.
Class
Industry
Functions
Pyromellitic Dianhydride
Product Description
Product
Pyromellitic Dianhydride
CAS
89-32-7
Formula
C6H2(C2O3)2
Synonym
1,2,4,5-Benzenetetracarboxylic Dianhydride; 1H,3H-Benzo[1,2-c:4,5-c']difuran-1,3,5,7-tetrone
Typical Product Specifications
Melting Point
282 - 288C
Boiling Point
397 - 400C
Density
1.68 g/cm^3
Content
>= 99.5%
Appearance
White or light yellow
Neutralization Equivalent
54.5 +- 0.2
pH
2.2 (3.9 gl)
Vapor Pressure
63 mm hg (290 c)
Molecular weight
218.12
Solubility
g100 g in water, reacts to give tetra-acid
Notes
Pyromellitic Dianhydride is a very popular compound used mainly for producing polyimid resin and insulating paint. It is also a high temperature curing agent and plasticizer.
Class
Industry
Functions
