Tannic acid(Dyestuff Use)
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Post Date:
Dec 29,2024
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Expiry Date:
Mar 29,2025
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Detailed Description:
Cas No. :1401-55-4
Tannic Acid For Dyestuff Use
1.Production capacity: 200 T/Year
2.Other name: Tannin;Chinese gall tannic acid.
3.Mol. form and Mol. wt.： C76H52O46 1701.18
4.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.
5.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
6.Usage: In printing dye of textile, it is used as color fixer, polygenetic dye, fiber deodorizer and synthesizing dye.
7.Storage: Keep in airtight container.
8.Packing: 25kg/bag or drum
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CAS Registry Number:
1401-55-4
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Synonyms:
;Chinese tannin;Gallotannic acid;Gallotannin;Galloylglucose;Glycerite;Penta NM digalloyl glucose;Quebracho;Tannins;1,3,6-tris-O-(3,4,5-trihydroxybenzoyl)hexopyranose;1,2,3,4,6-pentakis-O-[(3,4-dihydroxy-5-{[(3,4,5-trihydroxyphenyl)carbonyl]oxy}phenyl)carbonyl]hexopyranose;
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Molecular Formula:
C76H52O46
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Molecular Weight:
1701.1985
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Molecular Structure:
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Safety Description:
S24/25:;
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