Basic information
- Name:
1-Methylpyrrolidine
- CAS No.:
120-94-5
- Molecular Structure:
- Formula:
- C5H11N
- Molecular Weight:
- 85.15
- Synonyms:
- Methylpyrrolidine;N-Methylpyrrolidine;1-methyl-2,3,4,5-tetrahydropyrrole;Pyrrolidine, 1-methyl-;N-Methyltetrahydropyrrole;N-methylphrrolidine;N-methyl Pyrrolidine;Pesticide intermediate;
- EINECS:
- 204-438-5
- Density:
- 0.853 g/cm3
- Melting Point:
- -90 °C
- Boiling Point:
- 82.1 °C at 760 mmHg
- Flash Point:
- -7 °F
- Solubility:
- fully miscible with water
- Appearance:
- clear to yellow liquid
- Hazard Symbols:
F,
C,
N- Risk Codes:
- 11-22-34-51/53-35-20/22
- Safety Description:
- 16-26-36/37/39-45-61-29 Details
- Transport Information:
- UN 2924 3/PG 2
- particular:
- particular
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Chemistry
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IUPAC Name: 1-Methylpyrrolidine
Canonical SMILES: CN1CCCC1
InChI: InChI=1S/C5H11N/c1-6-4-2-3-5-6/h2-5H2,1H3
InChIKey: AVFZOVWCLRSYKC-UHFFFAOYSA-N
Molecular Formula: C5H11N
Formula Weight: 85.15
EINECS: 204-438-5
Product Categories: Building Blocks; Heterocyclic Building Blocks; Pyrrolidines
storage temp.: Flammables area
Water Solubility: fully miscible
Index of Refraction: 1.448
Molar Refractivity: 26.72 cm3
Molar Volume: 99.7 cm3
Surface Tension: 26.7 dyne/cm
Density: 0.853 g/cm3
Flash Point: −7 °F
Enthalpy of Vaporization: 32.27 kJ/mol
Boiling Point: 82.1 °C at 760 mmHg
Vapour Pressure: 79.6 mmHg at 25 °C
Appearance: clear to yellow liquid
Melting Point of 1-Methylpyrrolidine (CAS NO.120-94-5): -90 °C
Toxicity Data With Reference
| Organism | Test Type | Route | Reported Dose (Normalized Dose) | Effect | Source |
|---|---|---|---|---|---|
| mouse | LD50 | intraperitoneal | 178mg/kg (178mg/kg) | Journal of Pharmacology and Experimental Therapeutics. Vol. 88, Pg. 82, 1946. | |
| mouse | LD50 | intravenous | 47mg/kg (47mg/kg) | Journal of Pharmacology and Experimental Therapeutics. Vol. 88, Pg. 82, 1946. |
Safety Profile
Hazard Codes : 
F,
C,
N
Risk Statements : 11-22-34-51/53-35-20/22
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 Statements : 16-26-36/37/39-45-61-29
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.
RIDADR : UN 2924 3/PG 2
WGK Germany : 2
RTECS : UY1420500
HazardClass : 3
PackingGroup : II
Standards and Recommendations
APPEARANCE: clear to yellow liquid
ASSAY: 99.0% min
WATER: 0.5% max
Specification
1-Methylpyrrolidine (CAS NO.120-94-5), its Synonyms are Methylpyrrolidine ; N-Methylpyrrolidine ; N-Methyltetrahydropyrrole ; Pyrrolidine, 1-methyl- .
