<tbody id="4wqtu"></tbody>
  • <ol id="4wqtu"><object id="4wqtu"><blockquote id="4wqtu"></blockquote></object></ol>

    1. Welcome to Jiurui Biology Chemistry Co.,?Ltd website!
      Jiurui Biology  Chemistry Co.,?Ltd
      Key words: Tannic acid, gallic acid, benzoic acid, hesperidin, chlorogenic acid, resveratrol
      Cortex Eucommiae
      Home > Products > Gallnut products
      Industrial Tannic Acid

      Industrial Tannic Acid

      Product Name: Tannic Acid
      Alias: Tannic Acid , Tannin, Gallic Tannin
      Molecular Formula: C76H52O46
      Molecular Weight: 1701.18

      Structural formula:


      Property : Light yellow or light brown powder, oxidized in the air, the color becomes darker, odorless and astringent. It is soluble in water, ethanol, acetone, ethyl acetate, but insoluble in chloroform or ether.

      Specifications: Comply with national industry standards LY-T 1300, LY-T1640, LY-T1641; US ??Food and Drug Administration "Food Chemistry Specification" 5th edition and US Food Chemistry Code standards; US Food Standards; British Pharmacopoeia.

      Technical index:


      Industrial grade

      Pharmaceutical grade

      Food grade


      Yellow powder

      Light yellow powder

      Light yellow powder





      Loss on drying




      Residue on ignition




      Heavy metal




      Other Index

      See COA

      See COA

      See COA

      (1) Used for the extraction of germanium, the manufacture of acid iron ink, metal rust removal, and the raw material of mud treatment agent for oil drilling. It can produce gallic acid and pyrogallic acid, and can also be used as leather tanning agent, mordant, rubber coagulant, protein agent, alkaloid precipitation agent.
      (2) Medicinal tannic acid has antibacterial, enzyme-removing and astringent effects. It is used in antibacterial, tinea, detoxification, dysentery and other medicinal preparations, and also used to synthesize sulfonamide synergists.

      (3) Used in cosmetics, food antioxidants, clarifying agents for low alcohol alcohols, oil antioxidants, and also used in bromelain food processing.

      Storage: Avoid moisture and light, sealed tightly, no contact with metal.

      Product validity: two years.

      Packing: Packed in kraft paper bag or cardboard drum, net weight 25 kg.

      Main Products:Industrial Tannic Acid  Gallic acid  Propyl gallate  Pyrogallic acid  3,4,5-Trimethoxybenzoic acid  Methyl 3,4,5-trimethoxybenzoat  
      Contact Us

      Contact Us

      24-hour service hotline

      +86-744-8561603(International Business)
      +86-744-8561665,+86-744-8561604?(Domestic Business)
      info@jiuruibiochem.com sales@jiuruibiochem.com
      Address:Section C, Economic Development Zone, Zhangjiajie, Hunan, China.
      Jiurui Biology & Chemistry Co.,?Ltd
      Copyright(C)2020, Jiurui Biology & Chemistry Co.,?Ltd . All Rights Reserved. Supported by  ChemNet ChinaChemNet Toocle

      <tbody id="4wqtu"></tbody>
    2. <ol id="4wqtu"><object id="4wqtu"><blockquote id="4wqtu"></blockquote></object></ol>

      1. 日韩精品一区二区三区A片,成年无码动漫av片在线观看,影音先锋a在线资源视频在线观看,99re66在线观看精品免费,丰满少妇又爽又紧又丰满在线观看