Tannic acid Puriss., meets analytical specification of USP,

Name: Tannic acid
Synonymns: Gallotannin; Tannin
Description: Puriss., meets analytical specification of USP, powder

Container Type: Plastic Bottle

Molar Mass: 1,701.2 g/mol

Empirical Formula: C₇₆H₅₂O₄₆
Linear Formula: C₇₆H₅₂O₄₆

CAS Number: 1401-55-4
Bielstein Registry Number: 8186396
EC Number: 215-753-2
MDL Number: MFCD00066397

SPECIFICATIONS

Loss on drying (105°C, 2 h): max. 9 %
Sulfated ash: max. 0.1 %
Arsenic (As): max. 0.0003 %
Heavy metals (as Pb): max. 0.003 %
Dextrines, gum matters: complying
Resinous matters: complying
Organic volatile impurities (GC): complying



PHYSICAL PROPERTIES

Autoignition Temperature: 980 °F
Ignition Residue: ≤0.1% (as SO₄)

Freezing Point: 218 °C



SAFETY INFORMATION

Signal Word: Warning