propyl gallate cas: 121-79-9
items |
specification |
identification |
comply |
character |
white crystalline powder |
appearance of solution |
clear and not more intensively coloured than bys |
gallic acid,% |
≤0.5 |
total chlorine,ppm |
≤200 |
chlorides,ppm |
≤100 |
zinc,ppm |
≤25 |
heavy metal(as pb),ppm |
≤10 |
sulphate ash,% |
≤0.1 |
assay,% |
97.0-103.0 |
melting point,℃ |
148-151 |
loss on drying,% |
≤0.5 |
packing and storage of propyl gallate
propyl gallate is normally packed in 25kg/drum .
store in cool and dry place, away from sun light.