Zhishang Chemical

Tannic Acid Usp CAS 1401-55-4

Molecular Formula: C76H52O46

Formula Weight: 1701.2

ZSpharmac: Tannic Acid Usp Supplement

Product Name: Tannic Acid Usp
CAS No: 1401-55-4
Purity: 99%

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Basic Info

Product Name:Tannic Acid Usp
Other Names:Tannins
Place of Origin:Shandong, China
Brand Name:ZSpharmac
Type:Cosmetic Raw Materials
Appearance:Yellow to Light Brown Powder/Solid
EINECS No.:215-753-2
Storage:Storage Temperature: No Restrictions.
Provide:Tannic Acid Usp MSDS;
Tannic Acid Usp COA

What is Tannic Acid Usp?

Tannic Acid Usp is likewise referred to as Chinese tannin, tannic acid, and also five-gallon tannin. The structure is still unclear, as well as it is typically thought about to be an ester created by the combination of five hydroxyl teams of sugar and also gallo-galloyl groups. After the gall is drawn out and also focused, it can be made into industrial tannins. After refining, it can be made into medical or reagent Tannic Acid Usp.
Tannic Acid Usp is a pale yellow amorphous powder or shiny scaly or squishy strong. No special odor, bitter as well as astringent. Gradually darkens upon direct exposure to air as well as sunlight. Soluble in cold water, infinitely soluble in hot water; soluble in methanol, ethanol, acetone as well as ethyl acetate, insoluble in benzene, ether, chloroform, oil ether as well as carbon disulfide. The liquid solution of Tannic Acid Usp is weakly acidic and also conveniently oxidized. It oxidizes quicker in alkaline remedy, and also the color of the option is darker. In the case of ferric ions, the remedy is blue-black, as well as speeds up with gelatin and alkaloids. It responds with lead, aluminum, zinc, germanium and also various other metal ions to form multinuclear complexes, insoluble salts with unique colors. Tannin is broken down right into pyrogallic acid as well as carbon dioxide when heated to 210 ~ 215 ℃. Tannic Acid Usp has low poisoning, however a big amount of consumption can create throwing up, stomach pain, diarrhea, and also can lead to circulatory system problems and fatality, LD1006.0 g/kg (house mouse, dental). It can be decayed at heat to generate pyrogallol as well as co2. Readily readily available tannins generally include 10% water.

Tannic Acid Usp Property

Melting point 

218 °C (lit.)

Boiling point 

862.78°C (rough estimate)


1.2965 (rough estimate)

refractive index 

1.7040 (estimate)



storage temp. 

Storage temperature: no restrictions.


ethanol: soluble100mg/mL, yellow to brown




Yellow to light brown


3.5 (100g/l, H2O, 20°C)

Water Solubility 

250 g/L (20 ºC)


Tannic Acid Usp Uses

  1. Tannic Acid Usp appropriates for tanning upholstery natural leather, lower leather as well as sheepskin. It must be saved in a great, dry and also ventilated stockroom. Best used in mix with various other tanning representatives.
  2. Tannic Acid Usp is mainly used in tanning natural leather, but also in medication, ink, printing and dyeing, rubber as well as metallurgy industries, and water therapy.
  3. Tannic Acid Usp is used for tanning leather, coloring angling webs, descaling boilers, exploration, etc.
  4. Tannic Acid Usp is utilized as an analytical reagent and likewise in the pharmaceutical sector.
  5. Tannic Acid Usp is utilized in the pharmaceutical market as a raw material for the preparation of gallic acid, pyrogallol, and also sulfonamides. Tannin is a hemostatic medicine. It has been utilized in medicine to deal with pharyngitis, tonsillitis, hemorrhoids as well as skin blistering. It can be used inside to prevent diarrhea and digestive discharge. Tannins can form speeds up with steels, alkaloids as well as glycosides, and have a detoxification result on these compounds. Tannin can be made use of in tanning, ink manufacturing, paper as well as silk gluing, central heating boiler anti-fouling, etc, along with mordant, beer and wine making clear representative, rubber coagulant, and so on, in addition to decision of beryllium, aluminum, nickel, copper and other metals reagent. In chemical production, gallic acid and also pyrogallic acid can be prepared. Tannins are used for dilution when processing drill mud. The tannin powder and also caustic soda are prepared into tannin lye symmetrical, which can reduce the shear force and also stickiness of the thickened mud and also enhance the mud circulation. However, if the tannin powder is straight contributed to the mud, due to its weak level of acidity, the pH of the mud will certainly go down as a result of the ion exchange with the clay particles. Lower the hydration externally of the clay bits, so that the network structure of the clay particles is developed, and the shear pressure as well as thickness of the mud are enhanced. According to my nation’s GB2760-89 guidelines, “strengthened tannin” can be used in low-alcohol and also fruit white wine, and as a making clear agent, it can get rid of put on hold compounds such as protein in an over cast state. In the food industry, it is also made use of as astringent booster and crude oil deodorizer.
  6. Tannic Acid Usp is made use of for the rainfall and gravimetric decision of beryllium, aluminum, gallium, indium, niobium, tantalum as well as zirconium; for the colorimetric resolution of copper, iron, vanadium, cerium and also cobalt; as a precipitant for proteins and alkaloids; Made use of as an external sign for lead titration with ammonium molybdate; used as raw materials for the preparation of pharmaceutical tannins, pyrobenzic acid as well as sulfonamides; utilized as fixatives, mordants and also synthetic dyes in fabric printing and also dyeing; utilized in food Clarifying agent for reduced alcohol such as beer and white wine.
  7. Tannic Acid Usp reacts with metal iron to manufacture iron tannate complicateds, decreasing representatives in the synthesis of metal nanoparticles, precipitating agents for healthy proteins and also alkaloids, outside indications for ammonium molybdate titration of lead, as well as dye mordants.

Tannic Acid Usp Efficacy

1. Anti-wrinkle impact
As we age, the collagen in the skin cross-links with each other as well as the structure becomes firm and much less flexible. Elastin is one of the most vital fibrin that maintains skin elasticity. Reduced or degenerated degrees of it are the main root cause of skin creases. Tannins can advertise cell metabolic rate, maintain elastin vitality, as well as maintain skin healthy and balanced, shiny as well as flexible.

2. Resist UV rays
Tannic acid Usp is a sort of all-natural substance that has strong absorption in ultraviolet light area. Tannic Acid Usp is called as a “ultraviolet filter”, as well as the absorption price of ultraviolet rays is greater than 98%. have apparent resistance.

3. Bleaching effect
The color of the skin is mainly established by the web content of melanin. Tannic Acid Usp can bring back and decolorize melanin as well as efficiently get rid of energetic oxygen, so tannin has a comprehensive lightening impact

4. Hydrating result
The healthy and balanced look of the skin depends upon the moisture content of the stratum corneum, and chronic dehydration can cause rough as well as old and wrinkly skin. Tannin molecular framework includes a large number of hydrophilic groups – phenolic hydroxyl teams. It is simple to take in moisture airborne, so it has a moisturizing result.

5. Antibacterial effect.
Tannin has evident repressive capability to a selection of microorganisms, fungi and also microorganisms, under the exact same inhibitory focus, it will certainly not impact the growth and also growth of human cells. Tannic Acid Usp additionally has distinct anti-oxidant residential or commercial properties, which can effectively resist organic oxidation and also scavenge reactive oxygen types. For that reason, tannic acid can effectively inhibit bacteria as well as have health conservation as well as disinfectant impacts.

Biological Activity of Tannic Acid Usp

Company Profile and Corporate Culture

Company Profile:

ZhiShang Chemical is owned by ZhiShang Group is a professional new-type chemicals enterprise combined into research and development, production and sales .

The company’s competitive product is pharmaceutical raw materials and intermediates (especially carbohydrate derivatives Series), In recent years, the company has made a major breakthrough in food and feed additives, plant extraction, industrial chemicals industry .

The company insists on the spirit of “sincere management, strict quality control, customer as god” , get consistent high praise from customers at home and abroad.

Corporate Culture:

Help China Chemicals to benefit the happiness of human life
Become the most trusted chemical supplier in the world
Striver – oriented, enrich employees, customer first, deep service, seek development
Be prepared for danger in times of peace, forge ahead actively, unity and cooperation, and be brave to fight

About Us

The production base is located in Zhangqiu chemical industry park and Tai’an high-tech chemical industry park. laboratory and workshop in strict accordance with the GMP standard and the product fit national ISO9001 and ISO2000 standards.

“Zhishang” products are exported to Europe, North and South America, the Middle East, Asia Pacific and Africa area, so as to establish a long-term and stable cooperation relationship with customer in the world.

Company Info
  • Business Type: Manufacturer
  • Product Range: Additive , Chemical Auxiliary & Catalyst , Organic Chemicals
  • Products/Service: Organic Intermediate,Inorganic Chemistry, APIs, Dyestuffs And Pigments, Fragrance And Spices, Food Additives
  • Total Employees: 51~100
  • Capital (Million US $): 10000000RMB
  • Year Established: 2016
Production Capacity
  • No. of Production Lines : 8
  • No. of QC Staff : 5 -10 People
  • OEM Services Provided : yes
  • Factory Size (Sq.meters) : 3,000-5,000 square meters
  • Certificate: ISO9001 , CE , GMP , API , MSDS
  • Factory Location : Diao Town Industry Park, Zhangqiu City, Jinan City, Shandong Province, China.


Pre-Sales Service

* Prompt reply and 24 hours online, professional team to provide best price and high quality product.

* Sample testing support.

* Every batch of products will be tested to ensureits quality.

*The packing also can be according the customers` requirment.

*Any inquiries will be replied within 24 hours.

*we provide Commerical Invoice, Packing List, Bill of loading, COA , Health certificate and Origin certificate. If your markets have any special requirements, let us know.


After-Sales Service

*The fact of logistics information monitoring.

* Any questions about the product can be consulted at any time.

*Product has any problem can return.


Do you accept sample order?

We will make samples before mass production, and after sample approved, we’ll begin mass production. Doing 100% inspection during production, then do random inspection before packing.



You can get free samples for some products,you only need to pay the shipping cost or arrange a courier to us and take the samples. You can send us your product specifications and requests,we will manufacture the products according to your requests.

What’s your MOQ?

Our MOQ is 1kg. But usually we accept less quantity such as 100g on the condition that sample charge is 100% paid.

Do you supply product report?

Yes. We’ll give you product analysis report before shipping.

  Is there a discount?

Different quantity has different discount.


1. ≤50kg, Express delivery recommended, usually called as DDU service;

2. ≤500kg, Air shipping recommended, usually called as FOB, CFR, or CIF service;

3. >500kg, sea shipping recommended, usually called as FOB, CFR, or CIF service;

4. For high value products, please select air shipping and express delivery for safe.

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