R-(-)-1,2-propanediol CAS 4254-14-2

R-(-)-1,2-propanediol

CAS : 4254-14-2

GC: ≥99%

EE: ≥99%

Package: 200kg/drum

Molecular Formula C3H8O2
Molar Mass 76.09
Density 1.04g/mLat 25°C(lit.)
Melting Point -57C
Boling Point 186-188°C765mm Hg(lit.)
Specific Rotation(α) -17 º (c=neat)
Flash Point 225°F
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.
Vapor Presure 0.204mmHg at 25°C
Appearance clear liquid
Specific Gravity 1.036
Color Colorless to Light orange to Yellow
Merck 14,7855
BRN 1718872
pKa 14.49±0.20(Predicted)
Storage Condition Inert atmosphere,Room Temperature
Sensitive Hygroscopic
Refractive Index n20/D 1.434(lit.)
Physical and Chemical Properties Density 1.04
boiling point 187°C
refractive index 1.431-1.433
flash point 107°C
specific optical rotation -17 ° (c = neat)

(R)-1,2-Propanediol, also known as S-propanediol or D-propanediol, is an organic compound.

Properties:
(R)-1,2-Propanediol is a colorless to slightly yellow, viscous liquid.
It has the property of being soluble in solvents such as water, ethanol and acetone.
(R)-1,2-Propanediol is chiral and exists in two stereoisomers, (R) and (S), with a spin of -14.1° (10 g/L, 20 °C).

Uses:
It is also used in the production of polymer compounds such as polyethers, polyesters, alcohol ethers and acrylates.

Method of Preparation:
(R)-1,2-Propanediol can be produced by the reduction reaction of furfuryl alcohol.
It can also be prepared by photocatalytic reduction of propanol, photoselective catalytic reduction or enzymatic reaction.

Safety Information:
(R)-1,2-Propanediol is generally considered to be a relatively safe compound, but some safety precautions for use and storage should be observed.
Contact with the skin, eyes or respiratory tract may cause irritation; direct contact should be avoided and personal protection observed.
When stored, it should be kept in a light-proof, dry and well-ventilated place away from sources of ignition and oxidizing agents.

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