CAS No.

50-81-7

Chemical Formula

C 6 H 8 O 6

Specification

BP 2009/ USP 32 / FCC V

Packing

In 25kg cartons

Functional use

Antioxidant

Items

Specifications

Appearance

White crystalline powder

Identification

Positive reaction

Melting point

about 190 °C

Specific rotation

+20.5 --- +21.5 o

PH value

2.1 - 2.6

Clarity of solution

Clear

Colour of solution

BY7 max

Heavy metals

10 ppm max

Copper

5 ppm max

Iron

2 ppm max

Assay(on dried basis)

99.0 - 100.5%

Residue on ignition

0.1% max

Organic volatile impurities

Conforms

Oxalic Acid

0.2% max