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Introduced |
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Tannic Acid (Industrial Grade) |
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Description |
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Synonym: Tannin, Gallotannic acid
Molecular formula and weight: C76H52O46 = 701.18
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 First-grade product
Loss on drying, %≤: 9.0
Water insoluble, %≤: 0.3
Solution color≤: 2.0
Content(dry weight), ≥: 81.0
Item Qualified product
Loss on drying, %≤: 9.0
Water insoluble, %≤: 0.5
Solution color≤: 3.0
Content(dry weight), ≥: 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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Contact Us |
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Company Name: |
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Shanghai Chunyuan Phytochemistry Co., Ltd. |
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Company Address: |
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Room B Of Floor 9, No. 2020, North Zhongshan Road, Shanghai, China |
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Telephone: |
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86-21-52181439 |
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Full Name (Department): |
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Steven Jia (Marketing Dept.) |
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