Tetrahydrophthalic Anhydride
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Product Description
Product
Tetrahydrophthalic Anhydride
CAS
85-43-8
Formula
C8H8O3
Synonym
1,2,3,6-Tetrahydrophthalic anhydride; 1,3-Isobenzofurandione, 3a,4,7,7a-tetrahydro-; 4-Cyclohexene-1,2-dicarboxylic anhydride; THPA
Typical Product Specifications
Density
1.375 (2520 c)
Slightly Soluble
in petrol. ether, ethyl ether
Purity
99.5 % min
Maleic Anhydride Content, %
0.05 % max
Appearance
White flakes
Appearance
Clear liquid
Solidification point
100.5 C min
Colour
50 Hz max in molten state
Acid Content
1.0 % max
Ash
10 ppm max
Iron
2 ppm max
Melting Point
102 c
Vapor Pressure
0.01 mm (20 c)
Molecular weight
152.16
Flash Point
(oc) 157 c
Solubility
benzene, oxygenated and aromatic solvs.
Boiling Point
195 c (50 mm)
Chemical Structure
Notes
Used mainly as a epoxy resin hardener, building block for polyester resins.
Also used as a chemical intermediate for plasticizers and adhesives.
Class
Industry
Functions
Tetrahydrophthalic Anhydride
Product Description
Product
Tetrahydrophthalic Anhydride
CAS
85-43-8
Formula
C8H8O3
Synonym
1,2,3,6-Tetrahydrophthalic anhydride; 1,3-Isobenzofurandione, 3a,4,7,7a-tetrahydro-; 4-Cyclohexene-1,2-dicarboxylic anhydride; THPA
Typical Product Specifications
Density
1.375 (2520 c)
Slightly Soluble
in petrol. ether, ethyl ether
Purity
99.5 % min
Maleic Anhydride Content, %
0.05 % max
Appearance
White flakes
Appearance
Clear liquid
Solidification point
100.5 C min
Colour
50 Hz max in molten state
Acid Content
1.0 % max
Ash
10 ppm max
Iron
2 ppm max
Melting Point
102 c
Vapor Pressure
0.01 mm (20 c)
Molecular weight
152.16
Flash Point
(oc) 157 c
Solubility
benzene, oxygenated and aromatic solvs.
Boiling Point
195 c (50 mm)
Chemical Structure
Notes
Used mainly as a epoxy resin hardener, building block for polyester resins.
Also used as a chemical intermediate for plasticizers and adhesives.
Class
Industry
Functions
