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Tannic
Acid(Technical)
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Synonms
:Tannic
acid,Tannin,Gallotannic acid
Mol.form and Mol.wt :C76H52O46
;1701.18
Description :A
yellowish to brownish powder,odour characteristic;taste
strongly astringent.Soluble in 1 part of water or
alcohol;soluble in acetone;almost insoluble in chloroform
or ether.
Specification
: Meeting the requiremenet of
state standard GB5038-85
Uses :This
product is widly use in smelting of germanium manufacture
of "lro ink",metal corrosionresistance,slime
treatment of petroleum drilling and raw material
of pharmaceytical industry.
Storage :Tannic
acid should be kept in a well-closed container.
Packing :A
net weight of 25kg packed in woven plastic bags
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