L-1,2-Propanediol
(S)-(+)-propylene glycerol
CAS: 4254-15-3
Molecular Formula: C3H8O2
L-1,2-Propanediol - Names and Identifiers
| Name | (S)-(+)-propylene glycerol |
| Synonyms | S-1,2-Propancdiol L-1,2-Propanediol 1,2-Propanediol, (S)- (2S)-propane-1,2-diol PROPYELENE GLYCOL pure (S)-(+)-1,2-propanediol (S)-(+)-propylene glycerol (S)-(+)-1,2-Dihydroxypropane(S)-(+)-Propylene Glycol |
| CAS | 4254-15-3 |
| InChI | InChI=1/C6H12O3/c1-5-3-8-4-6(2-7)9-5/h5-7H,2-4H2,1H3/t5?,6-/m0/s1 |
L-1,2-Propanediol - Physico-chemical Properties
| 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 |
L-1,2-Propanediol - Risk and Safety
| Hazard Symbols | Xn - Harmful |
| Risk Codes | R36/37/38 - Irritating to eyes, respiratory system and skin. R22 - Harmful if swallowed |
| Safety Description | S24/25 - Avoid contact with skin and eyes. S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection. S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. |
| WGK Germany | 1 |
| HS Code | 29053200 |
L-1,2-Propanediol - Reference Information
| NIST chemical information | Information provided by: webbook.nist.gov (external link) |
| biological activity | (S)-( )-1,2-Propanediol is an endogenous metabolite. |
| use | chiral drug synthesis. |
Last Update：2024-04-25 11:59:33
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