产品信息 - tannic acid->pharmaceutical

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Shanghai Chunyuan Phytochemistry Co., Ltd

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tannic acid

产品分类 :

化學->藥品->醫藥

产品描述

Molecular formula and weight: C76H52O46=1701.18
Registry number: 1401-55-4

We have the tannic acid products of four specifications as following:
(1)Tannic acid for medicine: Conforming USA Pharmacopoeia of 1990 edition.

Property: Light yellowish to light brownish powder, soluble in 1 share of water or ethanol, soluble in acetone, insoluble in chloroform or ethyl ether.

Specification: Conform to Health Department WS-129(B) and USA Pharmacopoeia of 1990 edition.
Main specifications:
As ≤ 3ppm
Solubility in water Conform
Ignition residue ％≤ 0.2
Heavy metal≤ 30ppm
Gum and dextrin Conform
Loss on drying, % 9.0

Application: Tannic acid for medicine has the antiseptic, enzyme-eliminating and convergent effects. Applied as antibiotics to treating tinea, eliminating toxic substances and stopping diarrhea etc.
Packaging: In plastic bags of 500gs net each, outside package is ply-Wood cases of 40×500g net each. In paperboard barrels of 25 kgs Net each when exported.

(2)Tannic acid (Industrial grade):

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.

(3)Super pure tannic acid:

Characteristic：Light yellowish to light brownish powder, soluble in 1 share of water or ethanol, soluble in acetone, insoluble in chloroform or ethyl ether

Main specifications
Characteristic：Light yellowish to light brownish powder, soluble in 1 share of water or ethanol, soluble in acetone, insoluble in chloroform or ethyl ether

Main specifications

Items Standard Result
Fe ppm ＜4 ＜3
Chloride ＜3 ＜2
Sulphate ppm ＜6 ＜5
Ignition residue % ＜0.1 ＜0.03
Heavy metal ppm ＜6 ＜5
Content(dry substance)% ≥99 ≥99．5

Application：Application: the material of electronic chemistry, manufacturing tannin iron ink, anti-rust of metal, the raw material of pharmaceutical industrial.
Packing：500g/sack,20Kg/barrel

(4)Brewing tannic acid
Specifications:
Appearance: Ivory, no odour
Tannic acid content %: 96-98%
As mg/kg: ＜0.3
Heavy metal(Pb)mg/kg: ＜20
Ignition residue %: 1
Gum and dextrin experiment: Negative
Chroma : 1.0
Loss on drying %: 10

Usage:it can rapidly react with acidic protein and protein polyphenols to obtain precipitation, and removed at the later of fermentation or during the filtration of beer. It can obviously improve the colloid stability and flavor stability of beer.

Packaging : In food paperboard barrels of 10kg each, inside packed in aluminium plastic bags of
500g each, total 20bags.

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