Specification :

• Chemical Name : Methyl 3,4,5-trihydroxybenzoate
• Empirical Formula : C₈H₈O₅
• Molecular Weight : 184.15
• Cas Number : 99-24-1
• Category : Antioxidant

1. Description : White or almost white crystalline powder, odorless
2. Solubility : Very slightly soluble in water, freely soluble in ethanol(96 per cent)
3. Melting Point : 201°C to 204°C
4. Appearance of Solution : The solution is clear and not more intensely colored than reference solution BY5
5. Gallic Acid : Max. 0.50%
6. Sulphate : Max. 0.12%
7. Zinc : Max. 25 ppm
8. Heavy Metals : Max. 10 ppm
9. Sulphated Ash : Max. 0.1%
10. Loss On Drying At 105 °C : Max 0.5%
11. Assay : Min. 99.00%