Tianjin First Chemical Co., Ltd., being formerly called First Welfare Chemical factory which was established in 2001, is the professional manufacturer and exporter of chemical raw materials in China. As the requirement of business development, Tianjin First Chemical Co., Ltd. was set up in 2007. Under this company, three factories are set up. The first factory is specialized in Titanium Dioxide, Zinc Oxide, Caustic Soda, Caustic Soda Solid, and Stearic Acid and so on. The second factory is engaged in Formic Acid, Oxalic Acid and Glacial Acetic Acid, Sodium Tripolyphosphate.
Name
|
Oxalic acid
|
Other name
|
Ethanedioic acid;Dicarboxylic acid
|
Kind
|
Acide
|
CAS NO.
|
144-62-7
|
MolecularFormula
|
HOOCCOOH
|
molecular weight
|
138.19
|
Characters
|
colourless crystals
|
Uses
|
Purifying agent in pharmaceutical industry, special in antibiotic medication, such as Oxytetracyclin
|
Details
| Items
| Spec
| TOTAL ACIDITY
| 99.6% min
| ASH
| 0.1% max
| IRON
| 0.02% max
| LOSS ON IGNITION
| 0.08% max
| SULFATE
| 0.1% max
| CHLORIDE
| 20ppm max
| HEAVY METAL
| 10ppm max
|
Properties: Oxalic acid forms fine colourless crystals, readily soluble in water, with light nitrogen oxides-like odour. Oxalic acid dihydrate begins to dissociate at temperature over 30 0 C. If heated quickly, it melts at 101.5 0 C,anhydrous oxalic acid melts at 180 0 C.
Density at 18 0 C, kg/m 3
|
| 1653
| Crystal size:
|
| 70 % from 0,2 to 0,7 mm
|
The product has The Certificate awarded by State Test Institute of Chemical Industry Zlín
Packing: 25/50 kgs grey colour PP bag of top grade linerfilm,good properties of waterproof and avoid water,solarization
|
Tianjin erit international Co., Ltd., being formerly called First Welfare Chemical factory which was established in 2001, is the professional manufacturer and exporter of chemical raw materials in China.
As the requirement of business development, Tianjin First Chemical Co., Ltd. was set up in 2007. Under this company, three factories are set up. The first factory is specialized in Titanium Dioxide, Zinc Oxide, Caustic Soda, Caustic Soda Solid, and Stearic Acid and so on. The second factory is engaged in Formic Acid, Oxalic Acid and Glacial Acetic Acid, Sodium Tripolyphosphate, if you are interesting in that, please feel free to contact me.
