|
Type
|
Propylene glycol
|
|
Appearance
|
liquid
|
|
Specification
|
usp/tech/meidical
|
|
origin
|
China
|
|
Appearance
|
Colorless, viscous clear hygroscopic liquid
|
Colorless, viscous clear hygroscopic liquid
|
|
|
Purity
|
99.00% min.
|
99.50%
|
|
|
Moisture
|
0.2% max.
|
0.06%
|
|
|
Specific gravity (20°C ) (g/cm3)
|
1.035-1.038
|
1.037
|
|
|
Index of refraction (nD20)
|
1.428-1.435
|
1.433
|
|
|
Alkalinity (as OH-)
|
0.04 mmol/100g max
|
0.01 mmol/100g
|
|
|
Color APHA
|
5 max
|
5
|
|
|
Acidity, ml
|
0.02 (m/m)
|
0.0046
|
|