草酸二水合物

As an analytical reagent, in dye and paint industries, in polymers, in metal treatment, in cleaning and textile finishing and as a reagent for dehydration and condensation Oxalic acid dihydrate acts as an analytical reagent, as a reducing agent for photographic films and as mordant in the dyeing process. It is used as a plating agent, a surface treating agent, a grinding agent, a precipitating agent in rare-earth mineral processing, a bleaching agent in textile and a purifying agent in the pharmaceutical industry. It plays an important role in antibiotic medication like oxytetracycline and chloramphenicol. It finds application in water treatment plants to remove calcium waste water. It is also used as a buffer in chromatographic separation as well as bleach for wood, removing black stains caused by water penetration.

Hygroscopic. Incompatible with bases, acid chlorides and alkali metals.

MFCD00149102

205-634-3

C₂H₂O₄?2H₂O

126.07 (90.04anhy)

101-105°

1.65

Ambient temperatures.

Crystalline

Soluble in water, ethanol, ether and glycerol. Insoluble in chloroform.

3679436

14,6911

21/22-41
Harmful in contact with skin and if swallowed.Risk of serious damage to eyes.

Maximum level of impurities: Insoluble matter 0.005%, Residue after ignition 0.01%, Cl 0.002%, SO₄ 0.005%, Ca 0.001%, Nitrogen compounds (as N) 0.001%, Heavy Metals (as Pb) 5ppm, Fe 2ppm, Substances darkened by hot sulfuric acid P.T.

24/25
Avoid contact with skin and eyes.

KI1600000

 

是

  

H302-H312-H318
Harmful if swallowed.Harmful in contact with skin.Causes serious eye damage.

P280-P305+P351+P338-P310a-P301+P312a-P321-P501a
Wear protective gloves/protective clothing/eye protection/face protection.IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.Specific treatment (see label).Dispose of contents/container in accordance with local/regional/national/international regulations.