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(S)-(+)-1,2-Propanediol Structure

(S)-(+)-1,2-Propanediol

Chemical Properties

Melting point -59 °C
alpha  16 º (c=neat)
Boiling point 186-188 °C765 mm Hg(lit.)
Density  1.036 g/mL at 20 °C(lit.)
refractive index  n20/D 1.432(lit.)
Flash point 225 °F
storage temp.  Keep in dark place,Sealed in dry,Room Temperature
solubility  Miscible with acetone, chloroform, ethanol (95%), glycerin, and water; soluble at 1 in 6 parts of ether; not miscible with light mineral oil or fixed oils, but will dissolve some essential oils.
pka 14.49±0.20(Predicted)
form  Liquid
color  Clear colorless
Specific Gravity 1.04
optical activity [α]20/D +16.5°, neat
explosive limit 2.6-12.6%(V)
Water Solubility  soluble
Sensitive  Hygroscopic
Merck  14,7855
BRN  1718871
Stability Volatile
CAS DataBase Reference 4254-15-3(CAS DataBase Reference)
FDA UNII 942194N4TD
NIST Chemistry Reference (S)-(+)-1,2-Propanediol(4254-15-3)

Safety

Symbol(GHS)
Signal wordWarning
Hazard statements H315-H319-H335
Precautionary statements P261-P305+P351+P338
Hazard Codes  Xn
Risk Statements  36/37/38-22
Safety Statements  24/25-36/37/39-26
WGK Germany  1
HS Code  29053200
NFPA 704:
1
0 1

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