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.