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Gallic Acid

99% Gallnut Extract CAS 149-91-7 Natural Antioxidant Anhydrous 3, 4, 5-Trihydroxybenzoic Acid/Gallic Acid Powder

 

Product name:                                  Gallic Acid

Grade:                                             Industrial grade

Properties:                                       White Powder

Packing:                                           25kg/Drum

MOQ:                                               1 kg

Storage:                                           ventilated warehouse; keep away from sunshine; avoid fire; avoid moisture. 

Shelf life:                                         2 years



Détails

Mots clés

Description du produit

 

Gallic acid has many uses in pharmaceuticals, inks, dyes, food, light industry and organic synthesis. Gallic acid and ferric ions form a blue-black precipitate, which is the raw material of blue-black ink; it is also used in leather making industry; it can also be used as a photographic developer. Propyl gallate is an antioxidant and can be used in edible oils to prevent rancidity and deterioration. In medicine, gallic acid is a hemostatic astringent and a mild local irritant. 

 

Affichage du produit

 

 

 

Caractéristiques

 

Gallic acid is a trihydroxybenzoic acid, a type of phenolic acid, a type of organic acid, also known as 3,4,5-trihydroxybenzoic acid, found in gallnuts, sumac, witch hazel, tea leaves, oak bark, and other plants.The chemical formula is C6H2(OH)3COOH. Gallic acid is found both free and as part of hydrolyzable tannins. The gallic acid groups are usually bonded to form dimers such as ellagic acid. Hydrolysable tannins break down on hydrolysis to give gallic acid and glucose or ellagic acid and glucose, known as gallotannins and ellagitannins respectively.

 

Application

 

  1. Applied in food filed,gallic acid can be produced into wine, canned, condensed juice and other more nourishment;
    Applied in cosmetic industry,gallic acid used as active ingredients of skin care products;
    Widely applied in pharmaceutical grade
    Applied in dyes, chemicals and organic synthesis, as well as in the analysis of rare metals.

 

Avantages

 

Nous disposons de nombreuses usines de haute qualité avec une coopération approfondie, qui peuvent vous fournir des produits de haute qualité et des prix compétitifs. Et nous pouvons également accorder des réductions pour les achats en gros. Et nous coopérons avec de nombreuses sociétés de transport de fret professionnelles, pouvons livrer les produits en toute sécurité et en douceur entre vos mains. Le délai de livraison est d'environ 3 à 20 jours après confirmation du paiement.

 

spécification

 

Product name

Gallnut Extract

Test item(s)

Limit

Test result(s)

Marker Compound

Gallic acid ≥ 98%

98.14%

Appearance & Color

Light grey fine powder

Se conformer

Odor& Taste

Characteristic

Se conformer

Plant Part Used

Insect gall

Se conformer

Excipient

Négatif

Se conformer

Mesh Size

95% Through 80 Mesh

Se conformer

Perte au séchage

≤5.0%

3.25%

Ash Content

≤5.0%

2.18%

Total Heavy Metals

≤10ppm

Se conformer

Arsenic (As)

≤0.5ppm

Se conformer

Lead (Pb)

≤2ppm

Se conformer

Cadmium(Cd)

≤1ppm

Se conformer

Mercury(Hg)

≤0.5ppm

Se conformer

Nombre total de plaques

≤10,000cfu/g

Se conformer

Total Yeast & Mold

≤1,000cfu/g

Se conformer

E. Coli

Negative in 10g

Se conformer

Salmonelle

Negative in 25g

Se conformer

Staphylococcus

Negative in 25g

Se conformer

Conclusion

Complies with standards.

 

 

 

Product knowledge

 

 

Quel est ce produit ?

Gallic acid (also known as 3,4,5-trihydroxybenzoic acid) is a trihydroxybenzoic acid, a type of phenolic acid, found in gallnuts, sumac, witch hazel, tea leaves, oak bark, and other plants. The chemical formula of gallic acid is C6H2(OH)3COOH. It is found both free and as part of hydrolyzable tannins. The gallic acid groups are usually bonded to form dimers such as ellagic acid. Hydrolyzable tannins break down on hydrolysis to give gallic acid and glucose or ellagic acid and glucose, known as gallotannins and ellagitannins, respectively.

 

Application

Antibacterial function, cure dysentery. It has the functions of convergence, hemostasis and diarrhea. Can be used as preservative. Preparation of pyrogallic acid, drugs, inks, dyes and other media explosion-proof agent. Also used as a developer and an analytical reagent for the detection of free inorganic acids, two hydroxy , alkaloids, and metals.

 

 

 

 

 

 

 

 

 

 

 

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