PROPYLENE GLYCOL
PROPYLENE GLYCOL AR
Confirms to BP, USP
Short Name: PROPYLENE GLYCOL
Synonym: 1,2-Propanediol
Basic Details
Article No.
LG3845
Grade
AR
Purity
99.5%
CAS No.
57-55-6
HS Code
2905.3200
Shelf Life
60 Months
Packings Avialable
Physical Properties
Physical state at 20 °C
Liquid
Colour
Clear colorless
Odour
Odorless
Melting point/ Freezing point [°C]
-60 °C
Auto-ignition temperature [°C]
371°C
Flash point [°C]
103 °C
Boiling point [°C]
187 °C
Vapour pressure [20°C]
0.11 hPa at 20 °C
Vapour density
2.63
Density [g/cm3]
1.036
Solubility in water [% weight]
Soluble in water
Partition coefficient Log Pow octanol /water at 20°C
-0.9
Explosion limits -upper [%]
12.50%
Explosion limits -lower [%]
2.60%
Chemical Specifications
Appearance
Clear colourless liquid
Purity (by GC)
Min 99.5%
Identity (IR)
Conforms
Identity D (Ph Eur) )
Melting point of crystals formed on reaction - 121 to 128°C
Appearance of the substance
Passes test
Density (d20°C/4°C)
1.035 - 1.040
Density (d25°C/25°C)
1.035 - 1.037
Refractive index (20°C; 589 nm)
1.431 - 1.433
Boiling Point
184 - 189 °C
Acidity
Passes test
Chloride (Cl)
Max 0.007 %
Sulphate (SO4)
Max 0.006%
Heavy metal (as Pb)
Max 0.0005 %
Isomers of dipropylene glycol
Passes test
Diethylene glycol (GC)
Max 0.1%
Ethylene glycol (GC)
Max 0.1%
Residual solvents (ICH Q3C)
Excluded by production process
Oxidizing substances
Passes test
Reducing substance
Passes test
Sulphated ash
Max 0.007 %
Water (H2O)
Max 0.2%
Safety Information & Hazard Symbols