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Details for China Tannic acid

Tannic acid 1401-55-4

Category :

Inorganic chemicals/Inorganic acids

Tannic acid
CAS NO : 1401-55-4
EC NO : 215-753-2
MF : C76H52O46
MW : 1701.1985
Specification : off-white powder, conform to National Standard GB5308-85
Packing : 25KG/woven bag
Product description :

Alias:?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

Molecular formula:?C76H52O46

Molecular weight:?1701.18

CAS No.:?1401-55-4

Properties:?light yellow to light brown irregular powder, with special odor. Soluble in one part of water or ethyl alcohol, soluble in acetone, insolbule in trichloromethane and diethyl ether.

Specification:?meets national standard GB5308-85。

Main technical index:

Annic acid content: ≥81%

Drying loss: ≤ 9.0%

Water insoluble matter: ≤0.6%

Total color: ? ≤2.0

Main uses

(1)This product can be widely in metal rust prevention, slurry treatment agent and pharmaceutical industry.

(2)Textile dyeing and printing.

(3)Raw material for drugs, such as for trimethoprim, etc.

(4)Raw material for chemicals, such as gallic acid, and pyrogallol, etc.

Storage:?in airtight container.

Packing:?plastic woven bag, net weight 25kg/bag.

单宁酸

Ddible tannic acid

Alias:?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

Molecular formula:?C76H52O46

Molecular weight:?1434-1701.18

Properties:?light yellow powder, with special odor. Soluble in one part of water or ethyl alcohol, soluble in acetone, insolbule in trichloromethane and diethyl ether.

Specification:?meets FDA “food chemical specification” 3 edition, American food FCC-IV standard.

Main technical index:

Drying loss: ≤ 9.0%

Annic acid content: ≥92%

Ignition residue: ≤1.0%

Arsenic: ≤3PPM

Heavy metal: ≤0.002%

Gum or dextrin test: Qualified

Resin substance test: Qualified

Main uses:?antixidant for food, preservative, clear agent for beverage and liquor, decolorant for soy sauce.

Storage:?in airtight container.

Packing:?plastic woven bag, net weight 25kg/bag.

Uses : used as preservative and antifouling in industry, as additive and filler in petrochemical engineering, as adhesive and surface coating in timber industry and used in tanned leather and blue ink making
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;
Molecular Structure : Tannic acid 1401-55-4