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    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
      Gallnut products
      Home > Products > Gallnut products
      Propyl gallate

      Propyl gallate

      Product name: propyl gallate
      Alias: propyl gallate; propyl 3,4,5-trihydroxybenzoate; propyl gallate; n-propyl 3,4,5-trihydroxybenzoate;

      Chemical name: Propyl 3,4,5-trihydroxybenzoate
      Molecular formula: C 10 H 12 O 5
      Molecular weight: 212.21

      Structural formula:

      Property: White to milky white crystalline particles, odorless, slightly bitter. Insoluble in water, slightly soluble in cottonseed oil, peanut oil and lard. Propyl gallate is relatively stable, and will react with metal ions such as copper and iron, turning it into purple or dark green.

      Specifications: Comply with national standards GB 1886.14, GBT 26441; British Pharmacopoeia; American Pharmacopoeia; European Pharmacopoeia; chemical reagent standards; American food standards.

      Technical index:


      White crystal or light white powder



      Melting point range


      Loss on drying


      Residue on ignition


      Other Index

      See COA


      Main Uses: As antioxidants in fats, oil-containing foods and pharmaceutical preparations. It is an oil-soluble antioxidant that is allowed to be used in my country and widely used abroad. Its antioxidant capacity for lard is stronger than BHA or BHT, and its antioxidant effect will be enhanced when it is mixed with BHA and BHT.

      Dosage of propyl gallate in food ( %)

      Animal oil 0.001-0.01

      Vegetable oil 0.001-0.02

      Whole milk powder 0.005-0.01

      Margarine 0.001-0.01

      Bread 0.001-0.004

      Cereals 0.003

      Chewing gum base 0.1

      Candy 0.01

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

      Product validity: two years.

      Packing : 25KG/cardboard drum (¢350×500). It can be packaged according to customer requirements, such as carton, woven bag, and then pallet.

      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

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