Model Number

T016-PG

Propyl Gallate Food Grade E310

Synonyms：                     Benzoic Acid, 3,4,5-Trihydroxy-, propyl ester

CAS Nr.：                          121-79-9

Molecular Formula：     C₁₀H₁₂O₅

Molecular Weight：      212.20

Appearance:                   White or almost white, crystalline powder

Solubility:                         Very slightly soluble in water, free soluble in alcohol and in ether.

	Requirement
Solubility	Soluble in water, ethanol and 1,2-propandiol
Assay（on dry base）	98.0% ~ 102.0%
Melting Range	146 ~ 150℃ after a temperature of 110℃ for 4h
Loss on Drying	≤0.5% after a temperature of 110℃ for 4h
Sulfated ash	≤0.1%
Free Acid (as Gallic Acid)	≤0.5%
Chloride Organic compounds (as CL)	≤100mg/kg
Specific absorbent	485 ~ 520, E 1% 1 cm in ethanol at 275nm
Arsenic	≤ 3mg/kg
Lead	≤ 5mg/kg
Hg	≤ 1mg/kg
Heavy Metals (Pb)	≤ 10mg/kg

Usage:         Antioxidant.

Packing:     1) In paper bags with P.P. woven liner and inner PE bag, 25 kg net each.

              2) In fiber drums with inner PE bag, 25 kg net each.

Storage Recommendations: To be stored in cool & dry place (<25 ℃). Preserve in tight containers, protected from light, and avoid contact with metals.

Shelf Life:   24 months under above-mentioned conditions and in unopened container.

For other grade, pls contact us for detail information.