Product name:

2,5-Thiophenedicarboxylic acid

CAS NO.

4282-31-9

Molecular formula:

C6H4O4S

Molecular weight:

172.16

Properties:

Crystalline powder

Item

Specification

purity

99

Melting point

328~330℃

Fineness（Through 40 mesh）

≥95%

Residue

≤0.5%

Dry weight loss

≤0.5%

Others

Brightener KCB, mainly used in synthetic fibre, EVA, PVC and plastic and rubber filler, can be used for plastics thin film, molding molding materials, injection molding materials of whitening, can also be used for whitening polyester dyes, natural lacquer.

Packing:

The packaging needs to be done by the customer