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.
FAQ
Q: Are you factory/manufacturer of Tannic acid ?
A: yes, we are china factory of Tannic acid,Runtai chemical has been committed to the production and export of various grades Tannic acid(dye grade,food grade,pharm garde,industrial grade)
Q: What is Tannic acid ?
A: Tannic acid, also known as industrial grade tannic acid or tannic acid, is a plant processed product. Its preparation mainly comes from the leaves, stems, bark, fruit shells, etc. of galls and various plants, with galls having the highest content. The preparation process involves steps such as dust removal, crushing, leaching, and freezing purification to ensure efficient extraction of high-purity tannic acid from the raw materials.
Q: What’s the function and usage of Tannic acid ?
A: Tannic acid has a wide range of application fields. In the leather industry, it is used for tanning leather to make it soft, shiny, and improve durability. In the food industry, tannic acid can be used as an antioxidant, beverage clarifying agent, and can also be used to process foods such as red wine, beer, chocolate, jam, etc., playing a role in preservation, antioxidant, and flavor enhancement. In addition, tannic acid has important applications in the fields of medicine, chemical industry, skincare products, etc., such as treating local bleeding, serving as a dyeing mordant, mineral flotation agent, etc
Q: What are the packaging options available?
A: We offer packaging according your reques, our regular package is 25kg/drum.
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