Tannic Acid

High Purity Extract Tannic Acid CAS 1401-55-4

Inoa mea kūʻai:
Tannic Acid
Papa:
Papa lāʻau lapaʻau
Nā waiwai:
white to pale yellow powder
Hoʻopili:
25kg / pahu
MOQ:
1 kilo
Waihona:Wahi Maloo Puanu
Ola ola:2 makahiki

E HOAKAKA ANO HOOLAHA PDF

Nā kikoʻī

Nā huaʻōlelo

Hōʻike huahana

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.

Palapala noi

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.

Nā pono

Loaʻa iā mākou nā hale hana kiʻekiʻe me ka pilina hohonu, hiki iā ia ke hāʻawi iā ʻoe i nā huahana kiʻekiʻe a me nā kumukūʻai hoʻokūkū. A hiki iā mākou ke hāʻawi i nā uku no nā kūʻai nui. A ke hui pū nei mākou me nā ʻoihana lawe ukana ʻoihana he nui, hiki ke hāʻawi i nā huahana me ka palekana a me ka maʻalahi i kou mau lima. ʻO ka manawa hoʻouna ma kahi o 3-20 mau lā ma hope o ka hōʻoia ʻana o ka uku.

Hōʻike

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

Hoʻouna a me ka uku

FAQ

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2. Hāʻawi anei ʻoe i nā laʻana? He manuahi a keu paha?
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