(S)-(+)-1,2-Propanediol Cas:4254-15-3

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(S)-(+)-Propylene Glycol(2S)-propane-1,2-diol(S)-Propane-1,2-diol(S)-(+)-1,2-Dihydroxypropane(S)-(+)-Propylene glycerol
molecular formula:C3H8O2
Molecular weight: 76.09440
Physical Properties:
Appearance and properties: colorless to pale yellow liquid
Density: 1.036
Boiling point: 186-188ºC (765 mmHg)
Melting point: -59ºC
Flash point: 102ºC
Refractive index: 1.431-1.435
Items of Analysis Standard of Analysis Test Results
Appearance Colorless transparent liquid Conform
Identification by GC The retention time of test sample should match with retention time of standard Conform
Purity ≥99.5% 99.9%
Moisture ≤0.3% 0.12%
Related substances Bis(2-hydroxypropyl)ether ≤0.1% 0.05%
Propylene oxide ≤413 ppm ≤10 ppm
Single maximum unspecified impurity ≤0.1% 0.02%
Total impurities ≤0.5% 0.1%
R-(-)-1,2-Propanediol ≤1.0% 0.4%
Peroxide content ≤3ppm ≤3ppm
Conclusion Conforms to Factory Standard
(S)-(+)-1,2-Propanediol is an endogenous metabolite.
Package and Storage:
Keep away from light, ventilated and dry place, sealed and stored

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