| Place of Origin: | CHINA |
|---|---|
| Brand Name: | AJA |
| Certification: | COA,MSDS |
| Model Number: | Food Grade ,Medical Grade, Dye Grade |
| Minimum Order Quantity: | 25kg |
| Price: | USD7-20/KG |
| Packaging Details: | 25kg/drum |
| Delivery Time: | 5-10 days |
| Payment Terms: | L/C, T/T, Western Union, MoneyGram |
| Supply Ability: | 1500 Tons per year |
| CAS: | 1401-55-4 | EINECS: | 215-753-2 |
|---|---|---|---|
| Molecular Formula: | C76H52O46 | Molecular Weight: | 1701.18 |
| Appearance: | Light Yellow Or Light Brown Amorphous Powder | Assay: | 92% Min |
| Loss On Drying: | 9% Max | Ignition Residue: | 0.1% Max |
| Highlight: | Oem CAS 1401-55-4,Tannic Acid CAS 1401-55-4,C76H52O46 |
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Food Grade Medical Grade Dye Grade Tannic Acid Powder With CAS 1401-55-4
Basic Information
Product name: Tannic acid
CAS No.: 1401-55-4
EINECS No.: 215-753-2
Molecular Formula: C76H52O46
Molecular Weight: 1701.18
Properties & Specification
Light yellow or light brown amorphous powder, exposed to air oxidation, dark color, odorless, astringent taste.
| Specification | Food grade | |||
| executive standard | FCC-IV | |||
| content | ≥93% | ≥96% | ≥98% | |
| loss on drying | ≤9% | ≤9% | ≤9% | |
| water insoluble | ≤0.2% | ≤0.1% | ≤0.1% | |
| ignition residue | ≤0.1% | ≤0.1% | ≤0.1% | |
| heavy metal | 20ppm | 15ppm | 10ppm | |
| arsenic | ＜3ppm | ＜3ppm | ＜3ppm | |
| lead | ＜5ppm | ＜5ppm | ＜5ppm | |
| mercury | ＜1ppm | ＜1ppm | ＜1ppm | |
| gallic acid | ≤4% | ≤2.5% | ≤0.75% | |
| production scale | 600 T/Y | 300 T/Y | 100 T/Y | |
| packing | Cardboard drum, 25kg/ drum | Cardboard drum, 25kg/ drum | Cardboard drum, 25kg/ drum | |
| Specification | Medical grade |
| executive standard | USP34/CP2010/BP2012 |
| content | ≥92% |
| loss on drying | ≤12% |
| water insoluble | ≤0.1% |
| ignition residuce | ≤0.1% |
| heavy metal | 40ppm |
| production scale | 300 T/Y |
| packing | Cardboard drum, 25kg/ drum |
Application
1. Used in the manufacture of ferric acid ink, rust prevention of metal, mud treatment of oil drilling;
2. In terms of fabric printing and dyeing, it can be used as leather tanning agent, mordant agent, coagulant, protein agent, alkaloid precipitator;
3. In terms of medicine, it is also widely used in cosmetics as raw materials for pharmaceutical betaconic acid, pyroacid and sulfa drugs
4. In terms of fine chemicals, it is the initial raw material for producing Gallic acid series products such as ellagic acid, Gallic acid, Gallic acid esters and Pyrogallol;
5. In the field of food, it can be applied to food antioxidants, clarifiers of low-alcohol wine, bromelain food processing, etc.; It can selectively adsorb proteins from wort, reduce aldehydes of beer, and improve the abiotic stability and flavor stability of beer.
6. In the field of animal nutrition, it can replace antibiotics, reduce zinc and maintain intestinal health.
Packing
25kg/fiber drum
