Product details

Phthalic anhydride

Product Name: Phthalic anhydride/PA

Other Name:Isobenzofuran-1,3-dione

CAS No.:85-44-9

UN No.:2214

EINECS No.: 201-607-5

Purity:%(m/m)99.5%, ≥99.5

Molecular Weight: 148.12

Class:8

Chemical Formula: C8H4O3


Application:


●  Phthalic anhydride is one of the most important organic chemical raw materials. Its main derivative is dibutyl phthalate. Dioctyl and diisobutyl. Plasticizer; also used in the production of unsaturated polyester resins; alkyd resins; dyes and pigments.

 

●   This product is used as epoxy resin curing agent. This product is an important organic chemical raw material, mainly used in the production of phthalate plasticizers, coatings, saccharin, dyes and organic compounds, pesticides, fungicides, rubber processing aids and important intermediates for photosensitive materials.

 

●  Used as an analytical reagent. Organic synthesis intermediates. The dye industry is used to prepare important intermediates.

 

●  Used in the manufacture of plasticizers, dibutyl phthalate, resins and dyes.

 

Specification:


Product

Phthalic Anhydride

Operative

GB/T 15336-2013

No.

Item

Quality Index

Results

1

Appearance

White Flakes or Crystalline Powder

White Flakes or Crystalline Powder

2

Molten Colour

≤20

10

3

Heat Colour

≤40

30

4

Sulphuric Acid Colour

≤40

20

5

Purity%

≥99.5

99.96

6

Crystallization℃

≥130.5

131.2

7

Free Acid%

≤0.20

0.015

 

Package: 


 25KG/BAG,20MT/20’FCL(without pallet)25KG/BAG,14MT/20’FCL(with pallet)

25KG/BAG,26MT/40’FCL(with or withour pallet)

500KG/BAG,15MT/20’FCL(with or withour pallet)

500KGG/BAG,26MT/40’FCL(with or withour pallet)

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