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Dye tannic acid

Dye tannic acid

Series: Gallotannic acid series

Detailed introduction

Product name: Dye tannic acid
Molecular formula: C76H52O46
Molecular weight: 1701.18
Structural formula:

Testing item

Unit

Specification

appearance

__

light yellow powder

content

%

≥83%

loss on drying

%

≤9.0

transparency

%

≥53.0

water insolubles

%

≤0.5%

gallic acid

%

≤7.0

production scale

__

600T/Y

packing

Cardboard drums for external use and plastic bags for internal use.


Character: This product is light yellow to light brown powder, with special smell and astringent taste. Soluble in 1 part water or ethanol, soluble in acetone, insoluble in chloroform or ether.
Quality index: the product conforms to national standard GB5308-85.
To use: As a fixing agent, mordant, fibre deodorant and synthetic dye in textile printing and dyeing.
Storage: keep away from moisture and light and store sealed
Packing: plastic inner and paper drums of 25 kg net per barrel



Domestic Marketing Department:
+86-717-5757168 / 5758168
Feed sector: +86-717-6750789
E_mail: [email protected]
Fax: +86-717-5756168
Add: #8, Tianchi Road, Yuyangguan Town,
Wufeng Tujia Autonomous County, Yichang, Hubei, China
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