Product Name: Tannic Acid
Specification: Food Grade93%,Industrial Grade 81%,Pharmaceutical grade:90%
Appearance: Light yellow to light brown powder
Cas No.: 1401-55-4
Sample: Available

Tannic acid is in a class of chemicals called tannins, which are found in many plants. Tannic acid refers to tannins that can be dissolved in water, as opposed to the other type, or condensed tannins.According to Cornell University Department of Animal Science, tannins are a group of compounds known as plant polyphenols, which cause proteins to bind and form complexes. Tannins are found in many of the foods you eat, including fruits, teas, wine and edible grasses.

Function
1. With the function of antioxidant and antimicrobial;
2. It has the effect on improving the body disease-resistant ability, liver and gastrointestinal system function
3. With the function of treating chronic diarrhea and dysentery;
4. With the function of dispelling heat, eliminating irritability, diuretic, cooling blood and detoxification;
5. With the function of enhancing immunity.
Application
1. It can be used as food antioxidant. It is generally mixed with vitamin E, vitamin C or gallic acid before use.
2. Tannin is used as a viscosity reducer and fluid loss reducer for water-based drilling fluids, which can improve the quality of filter cake. It is also used for tanning raw hides and turning them into leather. Tannin has the activity of reacting with proteins, polysaccharides, alkaloids, microorganisms, enzymes, and metal ions, and has the properties of anti-oxidation, capturing free radicals, bacteriostasis, and derivatization reactions. It is more and more widely used in food processing, fruit and vegetable processing, storage, cosmetics, medicine and water treatment.
3. Tannic acid can combine with protein to produce water-insoluble tannic acid protein, so adding it to shampoo can prevent the dissolution of hair fiber protein and protect the hair, and when used in nail products, it can increase nail strength. Gallic tannic acid and isogallic tannic acid have a strong free radical scavenging effect, and their effects are similar to those of gallic acid and catechin compounds. They can be used in skin care products for sun protection and skin lightening. Tannic acid has astringent and antibacterial properties. It is clinically used to treat local bleeding, and can be used for toothpaste to protect teeth and prevent gum bleeding.
4. Mainly used in medicine, ink, printing and dyeing, leather and metallurgy industries and water treatment. Tannin has the functions of flocculation, deoxidation, scale inhibition and sterilization in the water treatment process. Because there are a large number of hydroxyl groups and carboxyl groups produced by partial hydrolysis in the molecular structure, it forms complexes with calcium and magnesium ions in the water to prevent calcium and magnesium ions in the boiler water from forming scale, and can also reduce the deposition of calcium sulfate in the cooling water. , Play a decentralized role. In addition, the cohesive force of tannins can aggregate the sediment into slag, which is discharged out of the boiler and cooling water system through sewage.
5. It can be used as a clarifying agent for low-alcohol wine and fruit wine. It can also be used as a leather tanning agent.
6. Tannic acid is used for chromium-free passivation of galvanized layer.

Packing:1kg/bag,25kg/drum

Shipping:We ship goods via DHL, Fedex, UPS, TNT, China post, NL Post and other couriers
Payment:T/T,western union,moneygram or as your requirement

Dalian Sinobio Chemistry Co.,Ltd was established in 2011 and located in beautiful costal city Dailan Liaoning Province. we can enjoy convenient transportation by all logistic ways. Sinobio cooperated with Dalian university of technology, who has 2 production sites: one located in Lanzhou city , Gan Su province who mainly produce biocides and pharmaceutical related. Another located in Fuzhou city,Jiangxi province .It was founded in 2013 with abundant financial resources. As a professional agrochemical and it's intermediates products' supplier, they have excellent teams who focus on product development & design, quality control & inspection and company running. In order to supply the qualified products and services, we have built a modern quality management system which is in strict accordance with international standards.

Dalian Sinobio Chemistry Co.,Ltd  has got ISO9001&ISO14001 certificates. Adhering to the business principle of mutual benefits, we have had a good reputation among our customers because of our perfect services, quality products and competitive prices. We warmly welcome customers from at home and abroad to cooperate with us for common success.

Q1: Can I get samples?
A:   Yes, we can supply free sample, you pay for the freight charge only.

Q2: How to pay?
A: PI will be sent firstly after our aligned products specification. Payment by Paypal , T/T, Western Union,LC, Alibaba trade assurance are ok

Q3: How is your MOQ?
A: Normally speaking, our MOQ is 1kg. But we can also accept less quantity such as 100g on the condition that sample charge is 100% paid.

Q4: How can you guarantee the quality of your products?
1. Our staff are all experienced in chemical products or related major background, they are well trained before quotation.
2. Free sample or pre- shipment sample are available for our new cooperation before you place commercial order. We are sure the same specification commercial products as sample to customers
3. Third Party Inspection like SGS can be arranged according to your requirement before shipping.
4. On-Spot QC in our APPROVED associated production bases with necessary certification like GMP, ISO etc.