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Merck
CN

8.16146

1-Methylpyrrolidine

for synthesis

Synonym(s):

1-Methylpyrrolidine

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About This Item

Empirical Formula (Hill Notation):
C5H11N
CAS Number:
120-94-5
Molecular Weight:
85.15
UNSPSC Code:
12352005
EC Index Number:
204-438-5
NACRES:
NA.22
MDL number:
MFCD00003173

Key Documents

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Product Name

1-Methylpyrrolidine, for synthesis

SMILES string

N1(CCCC1)C

InChI

1S/C5H11N/c1-6-4-2-3-5-6/h2-5H2,1H3

InChI key

AVFZOVWCLRSYKC-UHFFFAOYSA-N

vapor pressure

100 hPa ( 20 °C)

assay

≥98.0% (GC)

form

liquid

autoignition temp.

170 °C (DIN 51794)

potency

280 mg/kg LD50, oral (Rat)

expl. lim.

1.1-9.1 % (v/v)

pH

11.3 (1 g/L in H2O)

bp

81 °C/1013 hPa

mp

<-80 °C

transition temp

flash point -3 °C

solubility

213 g/L

density

0.799 g/cm3 at 20 °C

storage temp.

2-30°C

Quality Level

200

Analysis Note

Assay (GC, area%): ≥ 98.0 % (a/a)
Identity (IR): passes test

General description

1-Methylpyrrolidine is a heterocyclic organic compound that serves as a base and catalyst in organic reactions, such as aldol condensations, acylations, and cyclization reactions. Additionally, it is used as a solvent for certain polymerization processes due to its ability to dissolve both polar and non-polar substances. It exhibits strong nucleophilic properties because of the lone pair of electrons on its nitrogen atom, making it highly reactive towards electrophiles. This property enables its use in alkylation, acylation, and substitution reactions, facilitating the synthesis of diverse nitrogen-containing compounds.

signalword

Danger

Hazard Classifications

Acute Tox. 3 Oral - Acute Tox. 4 Inhalation - Aquatic Chronic 2 - Flam. Liq. 2 - Skin Corr. 1A

Storage Class

3 - Flammable liquids

wgk

WGK 3

flash_point_f

-0.4 °F - closed cup

flash_point_c

-18 °C - closed cup

Certificates of Analysis (COA)

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