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.