Tannic Acid

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China Tannic Acid Factory

Tannic Acid/Gallnut Extract CAS:1401-55-4

Tannic acid Chemical Properties
MF:C76H52O46
MW:1701.2
EINECS:215-753-2
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
solubility ethanol: soluble100mg/mL, yellow to brown
PH:3.5 (100g/l, H2O, 20°C)
Water Solubility:250 g/L (20 ºC)
SensitiveAir & Light Sensitive

Tannic Acid CAS:1401-55-4 Specification:

nalysis	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%

Tannic Acid/Gallnut Extract CAS:1401-55-4 Introduction:
Tannin is one of the most abundant plant phenolic compounds except lignin. It is widely found in many plants, such as gallnut, chestnut, tea, grape, korshinskii, nut, root, sorghum and coffee. Tannins in plants are stored in organelles derived from chloroplasts, which are wrapped in the cytosol and do not interact with proteins and other nutrients, thus not interfering with the plant's own metabolism.
H&Z® Tannic acid has antioxidant effect and is a natural antiseptic, which can effectively prevent red wine from being oxidized and sour, so that the long-term storage of red wine can be kept in the best condition. In recent years, it has been found that acid alone is more effective in preventing and treating cardiovascular diseases. Cardiovascular disease is still the biggest killer threatening human health, so middle-aged and elderly friends to drink a moderate amount of wine every day, it is a good way to self-health care.
In the pharmaceutical industry, it is used as the raw material for preparing sulfonamides such as gallic acid, pyrogallol and sulfonamides. Tannin is a hemostatic, used in medicine to treat pharyngitis, tonsillitis, hemorrhoids and skin blister, etc. Internal use can stop diarrhea, bowel preparation, etc. Tannin can precipitate with metals, alkaloids and glycosides, etc. and has detoxification effect on these substances. single.

Tannic Acid CAS:1401-55-4 Function
1. The convergence effect: general pharmacological effects of tannin on protein precipitation, the skin, mucous membranes, ulcers and other local organizations protein coagulation, clinical for the treatment of hemorrhoids, cervical erosion. While with heavy metals, alkaloids to form insoluble compounds, and thus detoxification.
2. Antibacterial effect: the broad-spectrum antibacterial effect of tannin.
3. Antiviral: clinical employed to treat molluscum contagiosum.
4. Free radical scavenging and antioxidant effects.

Tannic Acid/Gallnut Extract CAS:1401-55-4 Application
1. Tannin Powder can be used as food antioxidants: generally with vitamin E, vitamin C or gallic acid mixed-use.
2. Tannin Powder used as water-based drilling fluid viscosity reducing agent, fluid loss agent, can improve the quality of the cake.
3. Tannin Powder used for tanning raw leather to convert it into the leather.
4. Tannin Powder can be used for toothpaste care and prevent bleeding gums: it has convergence and antibacterial properties, clinical for the treatment of local bleeding, 
5. Tannin Powder is mainly used in medicine, ink, printing, and dyeing, leather, and metallurgical industries and water treatment, the tannin in the water treatment process, with flocculation, deoxidation, scale and bactericidal effect.
6. Tannin Powder can be used as a low degree of wine, wine clarifier.
7. Tannin Powder is used for chromium-free passivation for galvanized coatings.