Basic information Physical and Chemical Properties A Brief History Gallic The role of industry tannic acid and medicinal tannic acid Reference quality standards Uses Production method Category Toxicity grading Acute toxicity Flammability and hazard properties Storage characteristics Extinguishing media Safety Related Supplier
Tannic acid Structure

Tannic acid

Chemical Properties

Melting point 218 °C (lit.)
Boiling point 862.78°C (rough estimate)
Density  1.2965 (rough estimate)
refractive index  1.7040 (estimate)
FEMA  3042 | TANNIC ACID (QUERCUS SPP.)
Flash point 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)
Odor Slight in solution, typical tannic acid
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
LogP 13.327 (est)
IARC 3 (Vol. 10, Sup 7) 1987
EPA Substance Registry System Tannic acid (1401-55-4)

Safety Information

Hazard Codes  Xi,Xn
Risk Statements  40-62-63-68-36/37/38-52/53
Safety Statements  24/25-36-26-36/37/39-22-61
WGK Germany  2
RTECS  WW5075000
Autoignition Temperature 980 °F
TSCA  Yes
HS Code  32019090
Hazardous Substances Data 1401-55-4(Hazardous Substances Data)
Toxicity LD50 oral in rabbit: 5gm/kg

MSDS

Usage And Synthesis

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