Tannic Acid 92% Min. ( Fine Grade )
Synonyms: Gallotannin; Gallotannic acid; Digallic Acid, Glycerite, Tannin
Molecular Formula: C76H52O46
Molecular Weight: 1701.18
H.S. Code: 32019090
CAS No.:1401-55-4
EINECS No.:215-753-2
Propertics : Light yellow to light brown powder ,with a peculiar smell and taste very astringent , soluble in a portion of water or alcohol , as well as in acetone ,insoluble in chloroform or ether . It is a mixture of hydrolyzable galloyl tannins.
Specifications: ( Based on Food chemicals codex III edition of FDA and U.S.A. FCC 1981 standards; U.S.A.FCC-IV standards. )
Tannin Acid : -------------------------------92% min.
Loss on drying: -----------------------------9% max.
Residue on ignition -------------------0.20% max.
As -------------------------------------------3 ppm max.
Heavy Metal (as Pb)--------------------4 ppm max.
Gum or dextrin test ------------------------Negative
Resin test------------------------------------Negative
Usage: As the antioxidant and antiseptic for food ,clearer for beverages and wine ,and decolorant for soy sause. As the Decolor pineapple protease in food industry.
Storage : Keep in a tightly closed container, stored in a cool, dry, ventilated area. Protect from light. Keep in airtight containers.
Package : 25 kg /Drum; 25kg/paper box; 25kg/ paper or plastic bag; 40 kg /Drum.
Others: About the specifications and packing, we can customize and adjust it according to customers' requirements.
Synonyms: Gallotannin; Gallotannic acid; Digallic Acid, Glycerite, Tannin
Molecular Formula: C76H52O46
Molecular Weight: 1701.18
H.S. Code: 32019090
CAS No.:1401-55-4
EINECS No.:215-753-2
Propertics : Light yellow to light brown powder ,with a peculiar smell and taste very astringent , soluble in a portion of water or alcohol , as well as in acetone ,insoluble in chloroform or ether . It is a mixture of hydrolyzable galloyl tannins.
Specifications: ( Based on Food chemicals codex III edition of FDA and U.S.A. FCC 1981 standards; U.S.A.FCC-IV standards. )
Tannin Acid : -------------------------------92% min.
Loss on drying: -----------------------------9% max.
Residue on ignition -------------------0.20% max.
As -------------------------------------------3 ppm max.
Heavy Metal (as Pb)--------------------4 ppm max.
Gum or dextrin test ------------------------Negative
Resin test------------------------------------Negative
Usage: As the antioxidant and antiseptic for food ,clearer for beverages and wine ,and decolorant for soy sause. As the Decolor pineapple protease in food industry.
Storage : Keep in a tightly closed container, stored in a cool, dry, ventilated area. Protect from light. Keep in airtight containers.
Package : 25 kg /Drum; 25kg/paper box; 25kg/ paper or plastic bag; 40 kg /Drum.
Others: About the specifications and packing, we can customize and adjust it according to customers' requirements.
Main Products
tannic acid