120-94-5
1-Methylpyrrolidine
CAS: 120-94-5
Molecular Formula: C5H11N
120-94-5 - Names and Identifiers
| Name | 1-Methylpyrrolidine |
| Synonyms | 1-methyl NSC 65579 BRN 0102445 Methylpyrrolidine 1-Methylpyrrolidine cefepiMe iMpurity G 1-methyl-pyrrolidin N-Methylpyrrolidine 1-METHYLPYRROLIDINE 1-methylpyrrolidinium PYRROLIDINE, N-METHYL- Pyrrolidine, 1-methyl- 1-methylpyrrolidin-2-one N-Methyltetrahydropyrrole 1-METHYLPYRROLIDINE FOR SYNTHESIS 5-20-01-00166 (Beilstein Handbook Reference) |
| CAS | 120-94-5 |
| EINECS | 204-438-5 |
| InChI | InChI=1/C5H11N/c1-6-4-2-3-5-6/h2-5H2,1H3/p+1 |
| InChIKey | AVFZOVWCLRSYKC-UHFFFAOYSA-N |
120-94-5 - Physico-chemical Properties
| Molecular Formula | C5H11N |
| Molar Mass | 85.15 |
| Density | 0.800 g/mL at 20 °C (lit.) |
| Melting Point | -90 °C |
| Boling Point | 76-80 °C (lit.) |
| Flash Point | −7°F |
| Water Solubility | fully miscible |
| Solubility | 213g/l |
| Vapor Presure | 100 hPa (20 °C) |
| Appearance | Liquid |
| Color | Clear colorless |
| BRN | 102445 |
| pKa | 10.32(at 25℃) |
| PH | 11.3 (1g/l, H2O) |
| Storage Condition | Store below +30°C. |
| Explosive Limit | 1.1-9.1%(V) |
| Refractive Index | n20/D 1.425 |
| Physical and Chemical Properties | Colorless transparent volatile liquid. Freezing point -90 ℃, boiling point 79.5~80.5 ℃, relative density 0.819, refractive index 1.4240, flash point -21 ℃. Soluble in water, soluble in alcohol, ether and other organic solvents. |
| Use | Used as a pharmaceutical Intermediate |
120-94-5 - Risk and Safety
| Risk Codes | R11 - Highly Flammable R22 - Harmful if swallowed R34 - Causes burns R51/53 - Toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment. R35 - Causes severe burns R20/22 - Harmful by inhalation and if swallowed. |
| Safety Description | S16 - Keep away from sources of ignition. S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection. S45 - In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) S61 - Avoid release to the environment. Refer to special instructions / safety data sheets. S29 - Do not empty into drains. |
| UN IDs | UN 2924 3/PG 2 |
| WGK Germany | 2 |
| RTECS | UY1420500 |
| TSCA | Yes |
| HS Code | 2933 99 80 |
| Hazard Class | 3 |
| Packing Group | II |
| Toxicity | LD50 orally in Rabbit: 280 mg/kg |
120-94-5 - Reference Information
| LogP | 1.1 at 23℃ |
| NIST chemical information | information provided by: webbook.nist.gov (external link) |
| EPA chemical substance information | information provided by: ofmpeb.epa.gov (external link) |
| biological activity | 1-Methylpyrrolidine is widely used in the synthesis of pyrrolidine-based ionic liquids. |
| Use | preparation of broad-spectrum antibiotic Cefepime, etc. used as pharmaceutical intermediates |
| autoignition temperature | 170°C DIN 51794 |
Last Update：2024-04-10 22:29:15
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