CAS No.:	1401-55-4
Formula:	C76h52o46
EINECS:	215-753-2
Type:	Synthesis Material Intermediates
Appearance:	Yellow Powder, Powder
Quality:	Industrial

Tannic acid Basic information
Product Name:	Tannic acid
CAS:	1401-55-4
MF:	C76H52O46
MW:	1701.2
EINECS:	215-753-2
Mol File:	1401-55-4.mol
Tannic acid Chemical Properties
Melting point	218 °C (lit.)
Boiling point	862.78°C (rough estimate)
density	1.2965 (rough estimate)
FEMA	3042 \| TANNIC ACID (QUERCUS SPP.)
refractive index	1.7040 (estimate)
Fp	198°C
storage temp.	Storage temperature: no restrictions.
solubility	ethanol: soluble100mg/mL, yellow to brown
form	Powder/Solid
color	Yellow to light brown
PH	3.5 (100g/l, H2O, 20°C)
Water Solubility	250 g/L (20 ºC)
Sensitive	Air & Light Sensitive
Merck	14,9052
BRN	8186396
Stability:	Stable. Incompatible with metallic salts, strong oxidizing agents, iron and other heavy metals.
InChIKey	LRBQNJMCXXYXIU-PPKXGCFTSA-N
IARC	3 (Vol. 10, Sup 7) 1987
EPA Substance Registry System	Tannic acid (1401-55-4)

Analysis	Unit	Result
Physical Control
Purity(Tannic acid on Dry Basis)	>=90%	90.50%
Appearance	Light brown powder	Conform
Odor	Proctically odourless	Conform
Taste	Neutral / Slight astringent taste	Conform
Solubility	Very soluble in water. freely soluble in acetone, in alcohol.	Conform
Loss On Drying	<=9.0%	8.10%
Residue On Ignition	<=1.0%	0.80%
Arsenic	<=3.0ppm	Conform
Lead	<=2.0ppm	Conform
Heavy Metal (Pb)	<=20ppm	Conform
Gums, Dextrin Test	No turbidity	Conform
Resins Test	No turbidity	Conform
Gallic Acid	<=4.0%	2.50%

Pyrogenic Gallic Acid Raw Material Tannic Acid with 90% Purity CAS 1401-55-4

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