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Tannic
Acid
(Chemical Reagent)
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Synonyms
: 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 requirement of
both U.S.A."Reagent Chemical and Standards"by
Joseph Rosin Fifth edition and JIS K8269 standards.
Uses : Reagent
tannic acid is used in determination of gallium,
germanium, tantalum, thoium, tungsten and uramum,etc,The
product by us in also used in manufacture of "lron
ink",for clarificant of beer or wine and as
a mordant in dyeing and printing fabrice,etc.It
is widely used in pharmaceutical industry.
Storage : Tannic
acid should be kept in a well-closed container,protected
from light.
Packing : Export
products in paperboard circular kegs of 25kg net
each.
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