Tannic Acid For Industrial Use CAS NO.1401-55-4

tannic acid for industrial use

production capacity: 1200 t/year
other name: tannin; chinese gall tannic acid.

mol. form and mol. wt.： c₇₆h₅₂o₄₆ 1701.18
description: from light yellow to light brown powder, the color will be deeping when discovered in the air; no bad smell; acerb taste; soluble in water, alcohol, acetone and ethyl acetate.

specification: comply strictly with china national standard of gb5308-85.
technical data:
purity % ≥ 81
loss on drying % ≤9
insoluble in water % ≤0.6
total color ≤2.0
usage: main material of gallic acid, , sulfanilamide medicine; extract gallic acid and pyrogallol in chemical industry. mud treater in petroleum drilling; furthermore, it can be used in the production of tan-reagent of leather, polygenetic dye, rubber concretion, albumen reagent, alkaloid precipitator, mill run inhibitor,wine-clarifier, the germanium extraction, ink confect and so on
storage: keep in airtight containers.

packing: weave bag with plastic bag inside; n.w. 25kg/bag. tannic acid for dyestuff use

production capacity: 200 t/year

other name: tannin;chinese gall tannic acid.

mol. form and mol. wt.： c₇₆h₅₂o₄₆ 1701.18
description: from light-yellow to light-brown powder, with a peculiar smell and astringent taste; soluble in a portion of water, alcohol and in acetonel, insoluble in chloroform or ether.
technical data:

purity % ≥81
loss on drying % ≤10
state in water of solution below microetch

light absorption ≥420
content of gallic acid % ≤7
total color ≤1.0
usage: in printing dye of textile, it is used as color fixer, polygenetic dye, fiber deodorizer and synthesizing dye.
storage: keep in airtight container.

packing: weave bag with plastic bag inside; n.w. 25kg/bag. tannic acid for medical use

production capacity: 200 t/year

other name: tannin; chinese gall tannic acid.

mol. form and mol. wt.： c₇₆h₅₂o₄₆ 1701.18
description: from light yellow to light brown powder, with a peculiar smell and astringent taste; soluble in a portion of water and alcohol; soluble in acetonel; insoluble in chloroform and ether.
specification: strictly comply with the british pharmacopoeia (ver. 1993) and the u.s. pharmacopoeia(ver. 1995).
technical data:
purity % ≥ 86
insoluble in water % ≤ 0.2
loss on drying % ≤9
clearness of water up to standard
tree gum or dextrin up to standard
residue on ignition % ≤0.2
content of gallic acid %< 7
usage: for the preparations of antibiotics, de-tinea, detoxifcation and stoping dysentery and also for synthesizing sulphanilamide synergist.

storage: keep in airtight container.

packing: weave bag with plastic bag inside; n.w. 25kg/bag. tannic acid for food

production capacity: 100 t/year

other name: tannin, chinese gall tannic acid.
mol. form and mol. wt.: c₇₆h₅₂o₄₆ 1434～1701.18
description: from light yellow to light brown powder, with a peculiar smell and very astringent taste; soluble in a portion of water and alcohol ; soluble in acetonel ; insoluble in chloroform and ether.
specification: comply with food chemicals canonical of u.s. food and drug administration(ver 3), u.s. food chemicals codex (1981) standard and u.s.a. fcc-iv standard.

technical data:
purity % ≥92

loss on drying % ≤9
residue on ignition % ≤0.2
arsenic ppm ≤3
heavy metal ppm ≤20
tree gum or dextrin test up to standard
resin test up to standard
usage: mainly used as clarifier of beer, wine and low-proof vino; also used in food processing of pineapple-proteinase and so on