|
|
Introduced |
 |
|
|
|
|
| |
Tannic Acid (Electronics Grade) |
|
|
|
Description |
 |
|
|
| |
Synonym: Tannic acid Tannin Chinese gallnut tannic acid
Molecular formula and weight: C76H52O46=1701. 18
CAS No.: 1401-55-4.
Characteristic: Light yellowish to light brownish powder, soluble in 1 share of water or ethanol, soluble in acetone, insoluble in chloroform or ethyl ether
Item Specification
Content of Tannic Acid (dry base), %: ≥99. 5
Chloride, ppm: ≤4. 4
Pb, ppm: ≤2. 0
Fe, ppm: ≤2. 0
Sulfate, ppm: ≤3. 0
Moisture, %: ≤10. 0
Use: Additive materials for fine chemistry and electronics field.
Store: Airproof and protect from light
Packing: Net weight 20kg per drum |
|
|
|
|
Contact Us |
 |
|
|
| |
Company Name: |
|
|
Shanghai Chunyuan Phytochemistry Co., Ltd. |
| |
Company Address: |
|
|
Room B Of Floor 9, No. 2020, North Zhongshan Road, Shanghai, China |
| |
Telephone: |
|
|
86-21-52181439 |
| |
Full Name (Department): |
|
|
Steven Jia (Marketing Dept.) |
|
|
|
|
|