Tannic acid NEW
Price | Get Latest Price | ||
Package | 1kg | 100kg | 1000kg |
Min. Order: | 1kg |
Supply Ability: | 3000 Ton/Tons Per Month |
Update Time: | 2024-04-12 |
Product Details
Product Name: Tannic acid | CAS No.: 1401-55-4 |
EC-No.: 215-753-2 | Min. Order: 1kg |
Purity: 90% | Supply Ability: 3000 Ton/Tons Per Month |
Release date: 2024/04/12 | |
Appearance:: Yellow to Light Brown | MF: C76H52O46 |
HS Code: 2942000000 |
Product Description:
Tannic acid, also known as 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. The addition of sodium sulfite can delay the color change. In industry, tannic acid is widely used in tanning leather and manufacturing blue ink. Tannic acid can coagulate proteins. 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.
Storage Condition | Keep in a cool and dry place |
Transportation | By Sea or by Air(DHL/UPS/TNT/FEDEX/EMS) |
Delivery Time | 7-28 days |
Payment | T/T, Western Union or Bitcoin |
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- Since: 2020-08-05
- Address: 804, Unit 2, Building 4, i City, No. 11, South Tangyan Road, High-tech Zone, Xi 'an, Shaanxi