High purity Oxalic acid 99% CAS no. 144-62-7
High purity Oxalic acid 99% CAS no. 144-62-7
Oxalic acid is an organic compound with the formula H2C2O4 (also written as HOOCCOOH). It is a colorless crystalline solid that forms a colorless solution in water. It is classified as a dicarboxylic acid. In terms of acid strength, it is much stronger thanacetic acid. Oxalic acid is a reducing agent and its conjugate base, known as oxalate (C2O42−), is a chelating agent for metal cations. Typically, oxalic acid occurs as the dihydrate with the formula H2C2O4·2H2O. Excessive ingestion of oxalic acid or prolonged skin contact can be dangerous.
Specification:
Item | Super grade | First grade | Standard |
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 | / | / |
Applications:
1. In Metallurgy industry: as precipitating and separating function for Rare-earth metal.
2. In pharmaceutical industry: used in Tetracycline, Oxytetracycline, 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.
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