(3S)-3-methoxybutan-1-ol
3-Methoxy-1-butanol
CAS: 2517-43-3
Molecular Formula: C5H12O2
(3S)-3-methoxybutan-1-ol - Names and Identifiers
| Name | 3-Methoxy-1-butanol |
| Synonyms | Methoxybutanol 3-Methoxybutanol 3-methoxy-1-butano 3-Methoxy-1-butanol 3-Methoxybutan-1-ol 3-METHOXY-1-BUTANOL 3-METHOXY-N-BUTANOL 3-methoxybutan-1-ol 1-Butanol,3-methoxy- 1-butanol, 3-methoxy- (3R)-3-methoxybutan-1-ol (3S)-3-methoxybutan-1-ol 1,3-butyleneglycol monomethyl ether |
| CAS | 2517-43-3 |
| EINECS | 219-741-8 |
| InChI | InChI=1/C5H12O2/c1-5(7-2)3-4-6/h5-6H,3-4H2,1-2H3/t5-/m1/s1 |
(3S)-3-methoxybutan-1-ol - Physico-chemical Properties
| Molecular Formula | C5H12O2 |
| Molar Mass | 104.15 |
| Density | 0.928g/mLat 25°C(lit.) |
| Melting Point | -85 °C |
| Boling Point | 161 °C |
| Flash Point | 116°F |
| Water Solubility | SOLUBLE |
| Vapor Presure | 17-460Pa at 20-50℃ |
| Appearance | Liquid |
| Color | Clear colorless |
| pKa | 14.90±0.10(Predicted) |
| Storage Condition | Flammables area |
| Refractive Index | n20/D 1.416(lit.) |
| Physical and Chemical Properties | Colorless transparent liquid. Melting Point -85 °c, boiling point 158-159 °c, relative density 0.971(20/20 °c), refractive index 1.4151, Flash Point 46 °c. Soluble in most organic solvents, insoluble in water. |
(3S)-3-methoxybutan-1-ol - Risk and Safety
| Risk Codes | 10 - Flammable |
| Safety Description | 16 - Keep away from sources of ignition. |
| UN IDs | UN 1987 3/PG 3 |
| WGK Germany | 1 |
| HS Code | 29094980 |
| Hazard Class | 3.2 |
| Packing Group | III |
(3S)-3-methoxybutan-1-ol - Reference Information
| LogP | 0.002 at 25℃ and pH7 |
| NIST chemical information | Information provided by: webbook.nist.gov (external link) |
| EPA chemical information | Information provided by: ofmpub.epa.gov (external link) |
| uses | 3-methoxybutanol is used as a high boiling point solvent, nitro cellulose paint, epoxy resin coating, brake oil viscosity regulator, printing ink solvent, cutting oil, dyes, pigments, pesticides, vinyl chloride safety agents and other solvents. This product is also used as an intermediate for home medicine and medicine, and the acetate prepared from it is also an excellent high boiling point solvent. |
| Production method | It is obtained by reacting butenal and methanol under alkali catalysis to generate methoxybutyraldehyde, which is then hydrogenated. In the addition reaction of butenal and methanol, even if excessive methanol is used, the conversion rate is only 95% when reaching equilibrium, and 5% of unreacted butenal needs to be recovered. The reaction is generally carried out at about 0 ℃ for 2 hours. The generated methoxybutyraldehyde is a 50% methanol solution, neutralized with acetic acid, and then hydrogenated with nickel catalyst at 100-130 ℃ and about 25MPa. Methoxybutyraldehyde is very unstable, so be careful when hydrogenating. |
Last Update：2024-04-09 20:49:11
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