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240338

Sigma-Aldrich

2-Pyrrolidinone

≥99%

Synonym(s):
2-Pyrrolidone, Butyrolactam
Empirical Formula (Hill Notation):
C4H7NO
CAS Number:
Molecular Weight:
85.10
Beilstein:
105241
EC Number:
MDL number:
PubChem Substance ID:
NACRES:
NA.22

vapor density

2.9 (vs air)

Quality Level

Assay

≥99%

form

solid

refractive index

n20/D 1.487 (lit.)

bp

245 °C (lit.)

mp

23-25 °C (lit.)

solubility

benzene: miscible(lit.)
carbon disulfide: miscible(lit.)
chloroform: miscible(lit.)
diethyl ether: miscible(lit.)
ethanol: miscible(lit.)
ethyl acetate: miscible(lit.)
water: miscible(lit.)

density

1.12 g/mL at 25 °C (lit.)

SMILES string

O=C1CCCN1

InChI

1S/C4H7NO/c6-4-2-1-3-5-4/h1-3H2,(H,5,6)

InChI key

HNJBEVLQSNELDL-UHFFFAOYSA-N

Gene Information

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This Item
P7437083300W482900
2-Pyrrolidinone ≥99%

Sigma-Aldrich

240338

2-Pyrrolidinone

2-Pyrrolidinone 99%

Sigma-Aldrich

P74370

2-Pyrrolidinone

2-Pyrrolidinone purum, ≥98.0% (GC)

Sigma-Aldrich

83300

2-Pyrrolidinone

2-Pyrrolidinone 99%

Sigma-Aldrich

W482900

2-Pyrrolidinone

form

solid

form

solid

form

solid

form

-

refractive index

n20/D 1.487 (lit.)

refractive index

n20/D 1.487 (lit.)

refractive index

n20/D 1.487 (lit.)

refractive index

n20/D 1.487 (lit.)

bp

245 °C (lit.)

bp

245 °C (lit.)

bp

245 °C (lit.)

bp

245 °C (lit.)

mp

23-25 °C (lit.)

mp

23-25 °C (lit.)

mp

23-25 °C (lit.)

mp

23-25 °C (lit.)

solubility

benzene: miscible(lit.), carbon disulfide: miscible(lit.), chloroform: miscible(lit.), diethyl ether: miscible(lit.), ethanol: miscible(lit.), ethyl acetate: miscible(lit.), water: miscible(lit.)

solubility

H2O: miscible (completely)

solubility

H2O: miscible (completely)

solubility

-

General description

The FT-IR spectra of the hydrogen bonding lactam 2-pyrrolidinone in CCl4 was studied.

Application

2-Pyrrolidinone is used as a starting material in the synthesis of polyvinylpyrrolidone (PVP), (±)-tashiromine, (±)-tetraponerine T4, (+)-ricciocarpins A and B.

Pictograms

Exclamation markHealth hazard

Signal Word

Danger

Hazard Statements

Hazard Classifications

Eye Irrit. 2 - Repr. 1B

Storage Class Code

6.1C - Combustible, acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects

WGK

WGK 1

Flash Point(F)

235.4 °F - closed cup

Flash Point(C)

113 °C - closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

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25G
Pack Size/Quantity

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MMYOMAG-74K-13

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Photocatalyzed degradation of polymers in aqueous semiconductor suspensions: V. Photomineralization of lactam ring-pendant polyvinylpyrrolidone at titania/water interfaces.
Horikoshi S, et al.
Journal of Photochemistry and Photobiology A: Chemistry, 138(1), 69-77 (2001)
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Intramolecular Additions of Various ?-Nucleophiles to Chemoselectively Activated Amides and Application to the Synthesis of (?)-Tashiromine.
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