0102030405
Industrial Grade Plant Extract CAS 1401-55-4 Natural Tannic Acid Powder
Properties
• Melting Point: 218 °C(lit.)
• Boiling Point: 862.78°C (rough estimate)
• Flash Point: 198 °C
• Refractive Index: 1.927
• Density : 2.12 g/cm3
• Water Solubility.: 250 g/L (20 ºC)
• Solubility.: ethanol: soluble100mg/mL, yellow to brown
• PSA: 777.98000
• Appearance: light yellow to tan solid with a faint odor
• LogP: 4.83810
Specification
Item |
SPECIFICATION | |
| Assay |
99%
|
|
| Odor | Characteristic | |
| Taste | Characteristic | |
| Particle Size |
NLT 100% Through 80 mesh
|
|
| Loss on drying | <2.0% |
|
| Total Heavy Metals | ≤10ppm | |
| Arsenic |
≤3ppm
|
|
| Lead | ≤3ppm | |
| Total Plate Count | ≤1000cfu/g |
|
| Total Yeast & Mold | ≤100cfu/g | |
Products Usage
Clarifying agent, astringent enhancer, deodorant, aroma enhancer; Tannic acid can be used for tanning leather, ink manufacturing, paper and silk gluing, boiler descaling, etc., can also be used as mordant, beer and wine clarifying agent, rubber coagulant and so on. Can be used in printing and dyeing, metallurgy, medicine and other industries, tannic acid itself is very low toxicity. Precipitation and gravimetric determination of beryllium, indium, niobium, tantalum and zirconium. Determinations of copper, iron, vanadium and cobalt. Protein and alkaloid precipitator. External indicator for titrating lead with ammonium molybdate. Dye mordant.
Package And Storage
Package:
25kg/carton drum or as your requirements.
Remark: Chemical composition and size can be optimized by the customers' requirements
Storage:
Store the container tightly closed in a dry, cool and well-ventilated place. Store apart from foodstuff containers or incompatible materials.
Safety Protection
Precautions for safe handling
Handling in a well ventilated place. Wear suitable protective clothing. Avoid contact with skin and eyes. Avoid formation of dust and aerosols. Use non-sparking tools. Prevent fire caused by electrostatic discharge steam.