CAS · 1401-55-4
Product Overview
Tannic acid is a high-purity feed-additives supplied for industrial and specialty chemical applications. Contact our team for specifications, packaging options and lead times.
Product Specifications
| Property | Specification |
|---|---|
| Grade | Food grade |
| Appearance | Amorphous light brown powder |
| Purity (Tannic Acid Content, Dry Basis) | 96.0% min |
| Odor | Practically odourless |
| Taste | Neutral/slight astringent taste |
| Solubility | Very soluble in water, freely soluble in acetone, in alcohol |
| Loss on Drying | 9.0% max |
| Residue on Ignition | 1.0% max |
| Lead | 2.0 mg/kg max |
| Gums, Dextrin Test | No turbidity |
| Resins Test | No turbidity |
| Residual Solvent (Ethyl Acetate) | 25 mg/kg max |
Applications
1. Pharmaceutical and Medical Applications
● Astringent and Anti-inflammatory Agent: Tannic acid has long been used topically for its astringent properties to treat minor burns, skin ulcers, hemorrhoids, and sore throats. It causes the contraction of body tissues, which helps reduce inflammation and irritation.
● Antiviral and Antibacterial: Studies suggest tannic acid has activity against a range of microbes, including viruses and bacteria. It's used in some formulations to help control infections, particularly in wound care.
● Antioxidant: Tannic acid's polyphenolic structure allows it to scavenge free radicals, making it a useful antioxidant in health supplements and skincare.
● Cancer Research: Experimental uses of tannic acid include its role in cancer research for its potential to inhibit tumor cell growth, though more clinical data is needed.
2. Food Industry
● Clarifying Agent: Tannic acid is used in beverages like wine, beer, and juice as a fining agent. It binds to proteins and other impurities, helping clarify the liquid.
● Flavor Modifier: Its natural bitterness and astringency can be harnessed to enhance the taste profile of certain foods, especially in teas and traditional remedies.
● Preservative: Its antimicrobial and antioxidant properties make it useful as a natural preservative, particularly in preventing oxidative spoilage.
3. Cosmetics and Personal Care
● Skin Tightening and Anti-Aging: Tannic acid丨CAS 1401-55-4 is found in creams and toners for its astringent effect, which helps tighten pores and smoothen the skin.
● Anti-Acne: Due to its antibacterial and oil-reducing properties, it is used in products targeting acne and oily skin.
4. Textile and Leather Industry
● Dyeing and Tanning Agent: Historically and still today, tannic acid is widely used in leather tanning, helping to stabilize the collagen fibers in hides. It also serves as a mordant in dyeing processes, enhancing color adherence and fastness.
● Inks: Tannic acid has been used in making iron gall ink, a historic ink that was prized for its permanence and rich color.
5. Industrial and Chemical Applications
● Corrosion Inhibitor: Tannic acid丨CAS 1401-55-4 can chelate metal ions, which helps inhibit corrosion in steel and iron surfaces. It is used in coatings and rust converters.
● Adhesives and Resins: Used in the production of eco-friendly adhesives and resins, especially where non-toxic materials are preferred.
● Water Treatment: Sometimes included in water purification processes due to its ability to bind with heavy metals and remove them from water sources.
6. Veterinary and Agricultural Use
● Animal Feed Additive: Tannic acid is sometimes used to modulate gut microbiota in livestock and reduce methane emissions in ruminants.
● Pesticide and Fungicide: Due to its natural antimicrobial properties, it is explored in organic farming to help control pests and fungal infections without synthetic chemicals.
Benefits
1. Natural and Biodegradable
● Being plant-derived and biodegradable, tannic acid is an environmentally friendly alternative to many synthetic chemicals, especially in agriculture, textiles, and water treatment.
2. Wide Antimicrobial Spectrum
● Tannic acid exhibits antibacterial, antiviral, antifungal, and antiparasitic properties. This makes it valuable in healthcare, cosmetics, and food preservation.
3. Health and Wellness Properties
● It contributes antioxidant, anti-inflammatory, and astringent benefits in both internal and external health applications, enhancing immune defense and supporting skin health.
4. Versatile Industrial Applications
● From corrosion inhibition to leather tanning and ink production, tannic acid offers multifunctionality in industrial processes that require sustainable solutions.
5. Synergistic Capabilities
● Tannic acid enhances the performance of other compounds, such as antibiotics and preservatives, by increasing their efficacy, especially in formulations that require lower doses of active ingredients.
Conclusion
Tannic acid丨CAS 1401-55-4 is a remarkably versatile compound with a diverse range of applications across medicine, food, cosmetics, agriculture, and industry. Its natural origin, effectiveness as an antimicrobial and antioxidant, and multifunctional benefits make it highly valuable in today's push for sustainable and health-conscious solutions. With ongoing research expanding its utility-especially in areas like cancer therapy, food preservation, and corrosion protection-tannic acid continues to play a significant role in both traditional and modern technologies.
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Conclusion
A concise summary and suitability assessment for this product is available on request. Contact our team to discuss whether it fits your process and quality requirements.