Name | (R)-(-)-propylene glycol |
Synonyms | (R)-(-)-PROPANEDIOL (R)-1,2-PROPANEDIOL (R)-1,2-Propanediol (R)-propane-1,2-diol (2R)-PROPANE-1,2-DIOL (R)-(-)-1,2-Propanediol (R)-(-)-1,2-PROPANEDIOL (R)-(-)-propylene glycol (R)-(-)-PROPYLENE GLYCOL (R)-(-)-PROPYLENE GLYCEROL (R)-(-)-1,2-Propyleneglycol |
CAS | 4254-14-2 |
InChI | InChI=1/C3H8O2/c1-3(5)2-4/h3-5H,2H2,1H3/t3-/m1/s1 |
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) |
Risk Codes | R20 - Harmful by inhalation R65 - Harmful: May cause lung damage if swallowed R15 - Contact with water liberates extremely flammable gases R10 - Flammable |
Safety Description | S24/25 - Avoid contact with skin and eyes. S43 - In case of fire use ... (there follows the type of fire-fighting equipment to be used.) S7/8 - |
WGK Germany | 1 |
FLUKA BRAND F CODES | 3 |
HS Code | 29053200 |
NIST chemical information | Information provided by: webbook.nist.gov (external link) |
use | pharmaceutical intermediates |
Biological activity | (R)-(-)-1,2-Propanediol is the (R)-enantiomer of 1,2-Propanediol, which is produced from Escherichia coli expressing the NADH-linked glycerol dehydrogenase gene. |