Specification :

• Chemical Name : Ethyl 3,4,5-trihydroxybenzoate
• Empirical Formula : C₉H₁₀O₅
• Molecular Weight : 198.17
• Cas Number : 831-61-8
• Category : Antioxidant

1. Description : White to off- white crystalline powder, odorless
2. Solubility : Very slightly soluble in water, freely soluble in ethanol (96 per cent). It dissolves in dilute solutions of alkali hydroxides
3. Melting Point : 149°C to 1531°C
4. Appearance of Solution : The solution is clear and not more intensely colored than reference solution
5. Gallic Acid : Max. 0.50%
6. Chloride : Max . 100 ppm
7. Sulphate : Max. 0.12%
8. Zinc : Max. 25 ppm
9. Heavy Metals : Max. 10 ppm
10. Sulphated Ash : Max. 0.1%
11. Loss On Drying At 105 °C : Max 0.5%
12. Assay : Min. 98.00%