Gallic Acid
Name: gallic acid
chemical name: 3,4,5-hydroxybenzoic acid
Molecular formula: C7H6O5
Molecular weight: 170.12
Structural formula:
Property: This product is white or white crystalline powder, soluble in 85 parts of water, 6 parts of ethanol, 2 parts of boiling water, slightly soluble in ether.
Specifications: The product complies with the national industry standard LY-T1301; European standard (first class); Japanese national JIS standard (first class); United States Pharmacopoeia; superior product
Technical index:
| Gallic acid monohydrate | Anhydrous gallic acid |
Appearance | White powder | White powder |
Content% | ≥99.0 | ≥99.0 |
Loss on drying% | ≤10 | ≤0.5 |
Residue on ignition% | ≤0.1 | ≤0.1 |
Chroma | ≤180 | ≤180 |
Tannic acid ppm | 1.0 | 1.0 |
Turbidity (50MG/ML ETOH) | clarify | clarify |
Other Index | See COA | See COA |
Uses: This product is widely used in industries such as medicine, dyes, chemical industry and organic synthesis, as well as the analysis of rare metals.
Storage: Avoid moisture and light, sealed tightly, no contact with metal.
Product validity: two years.
Packing: In woven bag with plastic inside and outside, net weight 25 kg per bag. It can be packaged according to customer requirements, such as carton or cardboard drum, and then palletized.
Gallic acid has many uses in pharmacy, ink, dye, food, light industry and organic synthesis. Gallic acid and ferric ion form blue black precipitate, which is the raw material of blue black ink; It is also used in leather industry; It can also be used as photographic developer. Propyl gallate as antioxidant can be used in edible oil to prevent odor deterioration. In medicine, gallic acid is a hemostatic astringent and a local stimulant of mild chemical book. Application: it has antibacterial effect and can treat bacillary dysentery. It has the functions of astringency, hemostasis and antidiarrhea. It can be used as preservative. It can prepare pyrogallic acid, medicine, ink, mordant dye and explosion-proof agent. It is also used as a developer and analytical reagent for the detection of free inorganic acids, dihydroxyacetone, alkaloids and metals. It can be used as preservative, medium dye and explosion-proof agent.
IUPAC
3,4,5-trihydroxybenzoic acid
SMILES
C1=C(C=C(C(=C1O)O)O)C(=O)O