chemical formula of oxalic acid 99.6%
Molecular Formula: C2H2O4
Molecular Weight: 90.04
CAS No.: 144-62-7
H.S. Code: 29171110
Standard: GB1626-88
Appearance: White Crystal
Property: 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:
Item Of Oxalic Acid | Index | ||||
Super class | First class | Qualified class |
| ||
Purty ≥% | 99.6 | 99.4 | 99.0 | ||
Sulfate (based on SO4) ≤% | 0.08 | 0.10 | 0.20 | ||
Chloride (based on Cl) ≤% | 0.003 | 0.004 | 0.01 | ||
Fe (based on Fe) ≤% | 0.001 | 0.002 | 0.01 | ||
Loss on lgnition(850°C) ≤% | 0.08 | 0.10 | 0.20 | ||
Heavy metal ≤% | 0.001 | 0.002 | 0.02 |
Usage:
1) In Metallurgy industry: As precipitating and separating function for Rare-earth metal.
2) In Light industry: Polishing for Marble, rust-remover, bleaching, dirt-remover, leather-processing, wood, and aluminium products etc.
3) 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.
4) In organic synthetic: Used in 2133 resin, Urea-formaldehyde molding powder, Butadiene catalyst, etc.
5) In electron industry: Preparation of chemicals raw material for porcelain capacitor, preparation of electron equipment detergent.
6) In other aspects: As analysis reagent, raw material of chemicals.