Basic Information:

CAS NO:144-62-7, 6153-56-6 EC NO:205-634-3 HS Code:29171100 MW:126 MF:(COOH)2·2H20

Other names:Ethanedioic acid;Dicarboxylic acid

White transparent crystal combining two crystal water, Melting Point: 101°C-102°C, SpecificGravity:1.653, easily sublimate at 100°C, easily dissolve in alcohol and water.

Specification:

index	Wonderful grade	First grade	Up to grade
purity% ≥	99.6	99.4	99.0
suiphate group % ≤	0.08	0.10	0.20
ignition (850oC) % ≤	0.08	0.10	0.20
heavy metal % ≤	0.001	0.002	0.02
Iron content % ≤	0.0012	0.002	0.01
chlorides % ≤	0.003	0.004	0.01
calcium % ≤	0.0012	/	/

Index	Standard GB1626-2006	Result
Oxalic Acid , %≥	99.6%	99.65%
Sulphate radical , %≤	0.08%	0.07%
Residue after Ignition , %≤	0.08	0.08
Heavy metal, %≤	0.001	0.001
Fe, %≤	0.0015	0.0012
Chloride , %≤	0.003	0.003

Oxalic Acid Content:	99.6% Min
Sulphate (SO42-)	0.08% Max
Heavy Metals (Pb2+)	0.001% Max
Ferrous (Fe3+)	0.0015% Max
Chloride (Cl-)	0.003% Max
Ignition Residue (850ºC)	0.08% Max

Packing:

1) In plasticd woven bag 25kg net, lined with PE bag

2) In compound kraft gab 25kg net, lined with PE bag

3) In jumbo bag. Pallet & stretch wrapped.

Can be packed with 25mt/20’FCL without pallets, and 20-22mt/20’FCL with pallets

Usage:
1. In Metallurgy industry: as precipitating and separating function for Rare-earth metal.

2. In pharmaceutical industry: used in Tetracycline, Oxytetracycline, Phenobarbital, and Borneol, etc.

3. In Light industry: polishing for Marble, rust-remover, bleaching, dirt-remover, leather-processing, wood, and aluminium products etc.

4. In Dyeing and printing industry: as reducing agent for dyeing and printing industry, as bleaching agent for textile, substitute for Acetic acid, as coloring mordant for fast pigment dyestuff.

5. In organic synthetic: used in 2133 resin, Urea-formaldehyde molding powder, Butadiene catalyst, etc.

6. In electron industry: preparation of chemicals raw material for porcelain capacitor, preparation of electron equipment detergent.

7. In other aspects: as analysis reagent, raw material of chemicals.

8. Rust remover