Gallic Acid 99.5% Extrapure
-
CAS :
5995-86-8
-
REF :
25337
-
| QUANTITY |
PRICE |
ENQUIRY |
|
100 gm |
Rs
1260.00
|
|
|
500 gm |
Rs
4370.00
|
|
- Formula: C₇H₆O₅
- CAS: 149-91-7
- EC No.: 205-749-9
- M (Molar Mass): 170.12 g/mol
- mp (Melting Point): 250°C (decomposes)
- Solubility: 1.5 g/100ml water at 25°C; soluble in ethanol
- Assay (HPLC): ≥ 99.5%
- Appearance: White to pale fawn crystalline powder
- Melting Range: 248-252°C (decomposition)
- Identification (IR): Passes test
- Loss on Drying: ≤ 0.5%
- Sulfated Ash: ≤ 0.1%
- Heavy Metals (as Pb): ≤ 20 ppm
- Related Phenolic Acids (HPLC): ≤ 0.2%
- Acid Value: 325-330 mg KOH/g
- pH (saturated solution): 3.0-4.0
- Tannin Test: Negative (no precipitate with gelatin)
- Hazard: Causes eye and skin irritation.
- Safety: Wear protective gloves and eye protection.
- Storage: Store in tightly closed container in cool, dry place. Protect from light.