Tannic acid 1401-55-4 Tannery water treatment weight determination dye mordant cement retarder analysis reagent

  Product Detail  

• • 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

    
    

    Use 1
    It is mainly used for tanning leather, but also for medicine, ink, printing and dyeing, rubber and metallurgy industries and water treatment
    Use 10
    Precipitation and gravimetric determination of beryllium, aluminum, gallium, indium, niobium, tantalum and zirconium. Determinations of copper, iron, vanadium, cerium and cobalt. Protein and alkaloid precipitator. External indicator for titrating lead with ammonium molybdate. Dye mordant.
    Use 11
    Precipitation and gravimetric determination of beryllium, aluminum, gallium, indium, niobium, tantalum and zirconium. Colorimetric determination of copper, iron, vanadium, cerium and cobalt. Protein and alkaloid precipitator. External indicator for titrating lead with ammonium molybdate. Dye mordant. Manufacture of ink, paper, silk, artificial keratin, gallic acid and pyrogallic acid. Remove beer and liquor.
    Use 2
    Used as water-based drilling viscosity reducer, cement retarder.
    Use 3
    As an analytical reagent, it is also used in the pharmaceutical industry
    Use 4
    Used for tanning leather, dyeing fishing nets, boiler descaling, drilling and so on
    Use 5
    For leather industry
    Use 6
    For precipitation and weight determination of beryllium, aluminum, gallium, indium, niobium, tantalum and zirconium; Used for colorimetric determination of copper, iron, vanadium, cerium and cobalt; Used as a precipitator for proteins and alkaloids; Used as an external indicator when ammonium molybdate titrates lead; It is used as raw material for producing pharmaceutical tannic acid, pyrotonic acid and sulfonamides. Used as fixing agent, mordant and synthetic dye in textile printing and dyeing; Clarifying agent used in food for low alcohol such as beer and wine
    Use 7
    It is used to adjust pH value of bare skin by soaking acid and vegetable tanning solution. Can also be used for vegetable tanning rinsing. Because of strong acidity, can not be packed in iron containers. Store in a cool warehouse.

    
    

    
    

    
    

    
    

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