PROPYL GALLATE
PROPYL GALLATE Extra Pure
Confirms to IP, BP
Short Name: PROPYL GALLATE
Synonym: Propyl 3,4,5-trihydroxybenzoate
Basic Details
Article No.
LG3847
Grade
Extra Pure
Purity
98%
CAS No.
121-79-9
HS Code
2918.2930
Shelf Life
60 Months
Packings Avialable
Physical Properties
Physical state at 20 °C
Solid
Colour
Off white powder
Odour
Odorless
pH value
5.7 - 6.3
Melting point/ Freezing point [°C]
146 - 149 °C
Auto-ignition temperature [°C]
438°C
Flash point [°C]
187 °C
Vapour density
7.3
Density [g/cm3]
1.21
Solubility in water [% weight]
Soluble in water
Partition coefficient Log Pow octanol /water at 20°C
1.51
Chemical Specifications
Appearance
White to almost white powder
Assay
98 - 102%
Melting range
148 - 151 deg C
Appearance of solution
Passes test
Insoluble matter in ethanol
Passes test
Residue on ignition (as SO4)
Max 0.1%
Loss on drying (at 105°C)
Max 0.5%
Gallic acid
Max 0.5%
Total chlorine (as Cl)
Max 0.02%
Chloride (Cl)
Max 0.01%
Heavy metal (as Pb)
Max 0.001%
Zinc (Zn)
Max 0.0025%
Safety Information & Hazard Symbols
Symbol
GHS07
Signal Word
Warning
Hazardous Statement
H302-H317
Precaution Statement
P280