Tannic Acid

High Purity Extract Tannic Acid CAS 1401-55-4

igoa ole oloa:
Tannic Acid
Vasega:
Vasega vailaau
Meatotino:
white to pale yellow powder
afifiina:
25kg/papa
MOQ:
1 kilo
Teuina:Malua Matutu Nofoaga
Ola fa'asa:2 tausaga

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Fa'amatalaga

Fa'ailoga

Fa'amatalaga o oloa

Tannic acid, is an organic compound with the chemical formula C76H52O46. It is a yellow or brownish yellow powder, and its aqueous solution turns blue black when it meets an iron salt solution. In industry, tannic acid is widely used in tanning leather and manufacturing blue ink. People chemically treat pig and cow hides with tannic acid, which can coagulate the soluble proteins in the hides. So, the raw leather that would have smelled and rotted in a few days turned into beautiful, clean, flexible, and durable leather. This tanning process is called leather tanning.

Fa'atatauga

Usage and dosage: For external use, apply locally, 2-3 times a day. In the skincare industry, tannic acid is often used in acne removing skincare products, fully utilizing the astringent effect of tannic acid to achieve the goal of tightening the skin and removing acne.

1. Used as a food antioxidant.

2. Used as a viscosity reducer and filter loss reducer for water-based drilling fluids.

3. Used for leather tanning.

4. For skincare products, it can prevent sun damage and brighten the skin.

5. Used as a clarifying agent for low alcohol liquor and fruit wine.

Tulaga lelei

E tele a matou fale gaosi oloa maualuga ma le galulue faʻatasi, lea e mafai ona tuʻuina atu ia te oe oloa maualuga ma tau faʻatauvaʻa. Ma e mafai foi ona matou tuʻuina atu faʻaitiitiga mo faʻatauga tele.Ma matou te galulue faʻatasi ma le tele o kamupani faʻapolofesa felauaiga uta, e mafai ona tuʻuina atu oloa ma le saogalemu ma le sologa lelei i ou lima. Le taimi tu'uina atu e tusa ma le 3-20 aso talu ona fa'amaonia le totogiina.

Fa'amatalaga

Iloiloga	Unit	I'uga
Physical Control
Purity(Tannic acid on Dry Basis)	>=90%	90.50%
Fa'aaliga	Light brown powder	Fa'atatau
Sogisogi	Proctically odourless	Fa'atatau
Taste	Neutral / Slight astringent taste	Fa'atatau
Solubility	Very soluble in water. freely soluble in acetone, in alcohol.	Fa'atatau
Loss On Drying	<=9.0%	8.10%
Residue On Ignition	<=1.0%	0.80%
Arsenic	<=3.0ppm	Fa'atatau
Lead	<=2.0ppm	Fa'atatau
Heavy Metal (Pb)	<=20ppm	Fa'atatau
Gums, Dextrin Test	No turbidity	Fa'atatau
Resins Test	No turbidity	Fa'atatau
Gallic Acid	<=4.0%	2.50%

Va'a ma totogi

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3. E i ai ni au tusi faamaonia e fesoʻotaʻi ma le pulea lelei?
ISO 9001: 2008 faʻamaonia e faʻamautinoa le lelei.

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