Synonym: Ethanedioic Acid
Molecular Formula: (COOH)2·2H20
Molecular Weight: 126
CAS No: 144-62-7,
EINECS: 205-634-3
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.
content(H2C2O4 2H2O):% ≥ 99.63%
sulphate(SO4) :% ≤ 0.04
ignition residue(850℃): ≤ 0.03
chloride(CL):% ≤ 0.0005
calcium(Ca)% ≤ 0.00003
ferrous(Fe): % ≤ 0.0002
arsenic(As): % ≤ 0.01
Heavy metal(Pb):% ≤ 0.0005