Product Name: Raw Material Gallic Acid / 3, 4, 5-Trihydroxybenzoic Acid 149-91-7 Galla chinensis extract
Latin Name:
CAS. NO.: 149-91-7
Plant Source: Gallic Acid
Specification: Gallic Acid 98%
Appearance: White Powder
Test Method: Potentiometric Titration
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.
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.
1.Applied in cosmetic industry,gallic acid used as active ingredients of skin care products;
2.Applied in food filed,gallic acid can be produced into wine, canned, condensed juice and other morenourishment;
3.Applied in pharmaceutical field,gallic acid is mainly used as raw materials for clearing heat, anti inflammation and so on.
| Melting point |
252 °C (dec.)(lit.) |
| Boiling point |
259.73°C (rough estimate) |
| Density |
1.694 |
| Refractive index |
1.5690 (estimate) |
| Storage temp. |
Store below +30°C. |
| Form |
Powder |
| Pka |
4.41(at 25ºC) |
| Color |
Off-white |
| Water Solubility |
12 g/L cold water |
| Merck |
14,4345 |
| BRN |
2050274 |
| Stability: |
Stability Stable, but may discolour upon exposure to light. Hygroscopic. Incompatible with strong oxidizing agents, strong bases, acid chlorides, acid anhydrides. |
| InChIKey |
LNTHITQWFMADLM-UHFFFAOYSA-N |
| CAS DataBase Reference |
149-91-7(CAS DataBase Reference) |
| NIST Chemistry Reference |
Benzoic acid, 3,4,5-trihydroxy-(149-91-7) |
| EPA Substance Registry System |
Benzoic acid, 3,4,5-trihydroxy-(149-91-7) |
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