Tannic Acid,China price supplier

company profile

China Yangtze Pchem Co Limited

China

Contact: Mr.zhongguo chen

Tel: 0086-717-6307579

Number of Employees: < 20

Business Type: Manufacture

product details

Origin:China

tannic acid (Food grade .Technical grade .Pharma-grade)

Synonyms:Tannic acid, tannin,Chinese gallnut tannic acid,chinese Tannin

sources :root of Chinese gallnuts

CAS : 1401-55-4

Molecular weight :1434~1701.18

Property:It is faint yellow to brown powder with special smell, astringent. Dissolves in 1 portion water or ethyl alcohol, dissolves in acetone, does not dissolve in the chloroform or ether.

Appearance:Faint yellow powder

Tannic acid(dry base)    92%min

Residue on Ignition       0.20% max

Arsenic                            3ppm

Heavy metals                 20ppm max

gallic acid content        7% max

Total color            2 max

                                          Main technical index:

No.

Index name/Kind

Industrial tannic acid

1

Tannin min

81

2

Insoluble substance max

0.6

3

Loss on drying max

9

4

Total colors max

2

Use:It is clarifying agent of Beer and low Grape wine,also used in pineapple proteinase.
Packing:Put in plastic bottle, 500k/bot. Paperboard packing for export, 25kg/drum

No.	Index name/Kind	Industrial tannic acid
1	Tannin min	81
2	Insoluble substance max	0.6
3	Loss on drying max	9
4	Total colors max	2