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| Product Name: |
tannic acid
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| Specifications |
Industrial grade |
| Price Term: |
CIF |
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Tannic acid (Industrial grade)
Synonym: Tannin, Gallotannic acid
Molecular formula and weight: C76H52O46 = 701.18
CAS registry number: 1401-55-4
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 First-grade product
Loss on drying,%&©|8804;: 9.0
Water insoluble,%&©|8804;: 0.3
Solution color&©|8804; : 2.0
Content(dry weight),&©|8805;: 81.0
Item Qualified product
Loss on drying,%&©|8804;: 9.0
Water insoluble,%&©|8804;: 0.5
Solution color&©|8804; : 3.0
Content(dry weight),&©|8805;: 78.0
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.
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| Company: |
Shanghai Chunyuan Phytochemistry Co., Ltd
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| Contact: |
Mr. Steven Jia |
| Address: |
Room B of Floor 9, NO.2020, North Zhongshan Road |
| Postcode: |
200063 |
| Tel: |
86-21-52909171 |
| Fax: |
86-21-52909172 |
| E-mail: |
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