for Inks/ Dyes / Food Preservative Gallic Acid Powder

• CAS No.: 149-91-7
• Formula: C7h6o5
• EINECS: 205-749-9
• Appearance: Powder
• Colour: White
• Type: Herbal Extract
• Product Name: Gallic Acid
• Application: Health Food
• Part: Seed of Gallnut
• Mesh: 80 Mesh
• Test Method: HPLC
• Shelf Life: 24 Months
• Specification: 99%
• Origin: China

Product Description

Product Description

Gallic acid (GA) is a component of hydrolyzable tannins, also known as gallic acid.
It is white or light brown needle crystal or powder.  Melting point 235-240 ºC (decomposition).  When heated to 100-120 ºC, it loses crystal water, and when heated to above 200 ºC, it loses carbon dioxide and generates pyrogallic acid (ie, pyrogallol).  Soluble in hot water, ether, ethanol and glycerol, insoluble in cold water, insoluble in benzene.
 

Specification

Analysis	Specification	Results
Assay	Total saponins≥99%	99.53%
Appearance	Brown fine powder	Complies
Ash	≤5.0%	0.80%
Moisture	≤5.0%	1.20%
Heavy metals	≤10ppm	Complies
As	≤2.0ppm	Complies
Lead	≤2.0ppm	Complies
Hg	≤0.2ppm	Complies
Cd	≤0.2ppm	Complies
Odor	Characteristic	Complies
Taste	Characteristic	Complies
Particle size	100% through 80 mesh	Complies
Loss on drying	≤5.0%	3.17%
Pesticide residue	Negative	Negative
Microbioiogical:
Total of bacteria	≤1000cfu/g	Complies
Fungi	≤100cfu/g	Complies
Salmgosella	Negative	Complies
Coli	Negative	Complies

Application

1.Gallic acid has many uses in pharmaceuticals, inks, dyes, food, light industry and organic synthesis.
2.Gallic acid is an antioxidant and can be used in edible oils to prevent odor deterioration.
3.Galic acid is mainly used as a food oil preservative.
4.Health care products: enhance immunity and beauty.