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Tetrahydrophthalic Anhydride

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Product Description

PRODUCT

Tetrahydrophthalic Anhydride

CAS #

85-43-8

SYNONYM

THPA; 4-Cyclohexene-1,2-dicarboxylic anhydride; 1,2,3,6-Tetrahydrophthalic anhydride; 1,3-Isobenzofurandione, 3a,4,7,7a-tetrahydro-

FORMULA

C8H8O3

Product Specifications

APPEARANCE

White flakes

APPEARANCE

Clear liquid

PURITY

99.5 % min

SOLIDIFICATION POINT

100.5 C min

COLOUR

50 Hz max in molten state

ACID CONTENT

1.0 % max

MALEIC ANHYDRIDE CONTENT, %

0.05 % max

ASH

10 ppm max

IRON

2 ppm max

CHEMICAL STRUCTURE

Tetrahydrophthalic Anhydride distributor CAS: 85-43-8 C8H8O3 chemical structure

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)

DENSITY

1.375 (2520 c)

SLIGHTLY SOLUBLE

in petrol. ether, ethyl ether

NOTES

Used mainly as a epoxy resin hardener, building block for polyester resins.


Also used as a chemical intermediate for plasticizers and adhesives.

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