S-(+)-1,2-propanediol CAS 4254-15-3

S-(+)-1,2-propanediol

CAS : 4254-15-3

GC: ≥99%

EE: ≥99%

Package: 200kg/drum

Molecular Formula C3H8O2
Molar Mass 76.09
Density 1.036g/mLat 20°C(lit.)
Melting Point -59 °C
Boling Point 186-188°C765mm Hg(lit.)
Specific Rotation(α) 16 º (c=neat)
Flash Point 225°F
Water Solubility soluble
Solubility Miscible with acetone, chloroform, ethanol (95%),glycerin, and water; soluble at 1 in 6 parts of ether; not misciblewith light mineral oil or fixed oils, but will dissolve someessential oils.
Appearance Liquid
Specific Gravity 1.04
Color Clear colorless
Merck 14,7855
BRN 1718871
pKa 14.49±0.20(Predicted)
Storage Condition Keep in dark place,Sealed in dry,Room Temperature
Stability Volatile
Sensitive Hygroscopic
Explosive Limit 2.6-12.6%(V)
Refractive Index n20/D 1.432(lit.)
Physical and Chemical Properties Density 1.036
melting point -59°C
boiling point 186-188°C (765 mmHg)
refractive index 1.431-1.435
flash point 102°C
specific rotation 16 ° (c = neat)
water-soluble solution

(S)-1,2-Propanediol is a colorless liquid with a sweet odor. It is soluble in water and most organic solvents.

Preparation method:
1, Hydroxylation reaction: by reacting propylene with water in the presence of a catalyst to produce (S)-1,2-propanediol.
2, Purification reaction: by oxidizing propylene alcohol by oxygen under light to obtain (S)-1,2-propanediol.

Safety information:
1, Avoid contact with eyes, skin and respiratory tract to avoid irritation.
2、Wear protective gloves, glasses and mask when using to ensure safe operation.
3, Avoid contact with chemicals such as strong oxidizers, acids and alkalis to avoid dangerous reactions.

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