Tannic acid with Cas 1401-55-4
What is Tannic acid?
Tannic acid, a light yellow or light brown powder, oxidizes when exposed to air, darkens in color, odorless, and has a bitter taste. Soluble in water, ethanol, acetone, and ethyl acetate, insoluble in chloroform or ether. Galla seeds can be extracted and concentrated to produce industrial tannic acid. After further refining, it can be made into medicinal or reagent tannic acid. Tannic acid can be applied in feed and food additives, industrial mining, and pharmaceutical raw materials.
Runtai Chemical is a professional and reliable China manufacturer of industrial grade tannic acid, dye grade tannic acid, pharmaceutical grade tannic acid, and edible grade tannic acid with higher purity and lower price. If you interest our tannic acid, PLS free to contact us for free sample!
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Dosage:(exact dosage should be subject to customer’s finial product formulation.)
Tannic acid Quick details
- Chemical Name:Tannic acid
- CAS No.: 1401-55-4
- EINECS: 215-753-2
- Molecular Formula: C76H52O46
- Molecular weight:1701.2
- Appearance:Light yellow powder
- Assay: 81%;86%;88%;92%;96;98%
- Synonyms:abcolsumack19;abcoltannicacidtech;abcoltannicacidusp/kosher;acaciamollissimatannin;acid,tannic;acidetannique;castaneasativamilltannin;chestnuttannin
Tannic acid Typical Properties
| Item | Specifications | Results |
| Appearance | Light Yellow to Brown Powder | Conforms |
| Odor | Practically odourless | Conforms |
| Taste | Neutral/slight astringent taste | Conforms |
| Solubility | Soluble in water, in acetone and
alcohol |
Conforms |
| Tannic acid Content (Dry Basis) | ≥92% | 93.51% |
| Loss on drying | ≤9.0％ | 7.80% |
| Residue on ignition | ≤1.0％ | 0.15% |
| Pb | ≤2.0 ppm | Conforms |
| As | ≤1.0 ppm | Conforms |
| Hg | ≤1 ppm | Conforms |
| Cd | ≤3.0 ppm | Conforms |
| Heavy Metal | ≤20 ppm | Conforms |
| Total Plate Count | ≤1000cfu/g | 130cfu/g |
| Yeast & Mold | ≤100cfu/g | 24cfu/g |
| E.coil | ND. | ND. |
| Salmonella | ND. | ND. |
| Staphylococcus aureus | ND. | ND. |
| Shigella sonnei | ND. | ND. |
| GMO | GMO Free, not detected | Conforms |
| Irradiation | Non Irradiation | Conforms |
| Ethylene oxide | <0.1 ppm | Conforms |
| Sulphite | <10 ppm | Conforms |
| Conclusion | The Results Conforms With Enterprise Standards | |
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Tannic acid Applications
- Food grade tannic acid is mainly used as a clarifying agent for beer, wine, and low alcohol beverages, and can also be used in pineapple protease food processing and other fields. Tannic acid can be used as a food additive. Usually mixed with vitamin E, vitamin C, or gallic acid before use.
- Tannic acid can be used as a mordant in dyeing, as well as in the production of gallic acid, pyrogallic acid, leather tanning agents, rubber coagulants, protein and alkaloid precipitants, and reagents for the determination of metals such as beryllium, aluminum, nickel, and copper.
- Tannic acid is mainly used in industries such as medicine, ink, printing and dyeing, leather and metallurgy, as well as water treatment. Tannin has flocculation, deoxygenation, scale inhibition and sterilization effects in the water treatment process.
Tannic acid Package & Storage
- Package: 1kg/bag;25kg/drum
- Storage: Store in a cool place and keep it sealed to avoid direct sunlight.
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