We are manufacturer of propyl gallate usp 26.

synonyms 65306 benzoic acid, 3, 4, 5 -trihydroxy-, propyl ester

cas nr.65306 121-79-9

molecular formula 65306 c10h12o5

molecular weight 65306     212.20

appearance: white or almost white,

crystalline powder

solubility: very slightly

soluble in water, free soluble in alcohol and in ether. requirement

>> identification

a. infrared absorption
b. ultraviolet absorption

Melting range 146 ~ 150 8451

loss on drying     nmt 0.5% , at 105 8451 for 4 hours

residue on ignition     nmt 0.1%

organic volatile impurities     meets the requirement

heavy metals nmt 0.001%

assay 65288 on dry base 65289 98.0 ~ 102.0%

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 and dry place (<25 8451). Preserve in tight containers, protected from light, and avoid contact with metals.

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