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PHTHALIC ANHYDRIDE

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Product Description

PRODUCT

PHTHALIC ANHYDRIDE

CAS #

85-44-9

SYNONYM

1,3 Isobenzofurandione; 1,3 Dixophthalan; 1,2 Benzenedicarboxylic acid anhydride; Phthalic acid anhydride;; 1,3-Isobenzofurandione

FORMULA

C8H4O3

PRODUCT TYPE

Chemical

HAZARD

8 corrosive

Product Specifications

COLOR, APHA

20 Max.

FREEZE POINT

130.9° C Min.

ASSAY

99.7% Min

HEAT COLOR (STABILITY), APHA

50 Max.

PHTHALIC ACID

0.2% w/w

CHEMICAL STRUCTURE

PHTHALIC ANHYDRIDE distributor CAS: 85-44-9 C8H4O3  chemical structure

MELTING POINT

130.8 c

VAPOR PRESSURE

1 mm (96.5 c)

ODOR

mild odor

MOLECULAR WEIGHT

148.12

FLASH POINT

(cc) 151 c

SOLUBILITY

alcohol, carbon disulfide

BOILING POINT

295 c

DENSITY

1.527 (4 c)

SLIGHTLY SOLUBLE

in ether, hot water

VERY SOLUBLE

in water

NOTES

Used widely in the manufacture of phthalate plasticizers such as dioctyl phthalate in the manufacture of PVC. It is also found in unsaturated polyester resins for the construction, marine, and transportation markets.

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