|
|
|
| Product Name: |
| Tannic acid (industrial grade) |
|
| Model Number: |
| CAS: 1401-55-4 |
|
|
|
| Description: |
Synonym: Tannin, Gallotannic acid
Molecular formula and weight: C76H52O46 = 1701.18
CAS registry number: 1401-55-4
HS Code: 32019090
Description: Light yellowish to brownish powder, soluble in 1 share Of water or ethanol; soluble in acetone; almost insoluble in chloroform or diethyl ether.
Main specifications:
Item Standard
Loss on drying,: ≤9.0%
Water insoluble: ≤0.3%
Solution color : ≤2.0
Content(dry weight): ≥81.0%
Application: Widely used in extract of Ge, manufacture of "lro ink" , anti-corrosion of metal, treatment of slurry in petroleum well, raw materials of pharmaceutical industry.
Packaging: In plastic woven bags of 25kg net each.
|
|
|
|
|
|
|
