5-METHYL-2-PYRROLIDONE

Product Name: 5-METHYL-2-PYRROLIDONE
CAS No.: 108-27-0
Chemical Name: 5-METHYL-2-PYRROLIDONE
Synonyms: 4-Pentanelactam;gamma-Valerolactam;5-METHYLBUTYROLACTAM;5-METHYL-2-PYRROLIDONE;5-methyl-2-pyridineone;5-Methyl-2-pyprrolidone;5-METHYL-2-PYRROLIDINONE;5-Methyl-2-pyrrolizinone;5-Methylpyrrolidin-2-one;5-METHYL-2-PYRR0LIDIN0NE
CBNumber: CB1671584
Molecular Formula: C5H9NO
Formula Weight: 99.13
MOL File: 108-27-0.mol

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5-METHYL-2-PYRROLIDONE Property

Melting point:: 41-43 °C(lit.)
Boiling point:: 248 °C(lit.)
Density: 1.0458
refractive index: 1.4431 (estimate)
Flash point:: >230 °F
storage temp.: 2-8°C
pka: 16.68±0.40(Predicted)
form: powder to lump to clear liquid
color: White or Colorless to Light yellow
InChI: 1S/C5H9NO/c1-4-2-3-5(7)6-4/h4H,2-3H2,1H3,(H,6,7)
InChIKey: YVIVRJLWYJGJTJ-UHFFFAOYSA-N
SMILES: CC1CCC(=O)N1
CAS DataBase Reference: 108-27-0

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Safety

Hazard Codes: Xi
Risk Statements: 36/37/38
Safety Statements: 26-37/39
WGK Germany: 3
HS Code: 2933.79.8500
Storage Class: 10 - Combustible liquids
Hazard Classifications: Eye Irrit. 2
Skin Irrit. 2
STOT SE 3

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Hazard and Precautionary Statements (GHS)

Symbol(GHS)

Signal word

Warning

Hazard statements

H315Causes skin irritation

H319Causes serious eye irritation

H335May cause respiratory irritation

Precautionary statements

P261Avoid breathing dust/fume/gas/mist/vapours/spray.

P264Wash hands thoroughly after handling.

P264Wash skin thouroughly after handling.

P271Use only outdoors or in a well-ventilated area.

P280Wear protective gloves/protective clothing/eye protection/face protection.

P302+P352IF ON SKIN: wash with plenty of soap and water.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

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N-Bromosuccinimide Price

Sigma-Aldrich

Product number: M79700
Product name: 5-Methyl-2-pyrrolidinone
Purity: 98%
Packaging: 10g
Price: $135
Updated: 2025/07/31

TCI Chemical

Product number: M0406
Product name: 5-Methyl-2-pyrrolidone
Purity: >98.0%(GC)
Packaging: 10g
Price: $51
Updated: 2025/07/31

TCI Chemical

Product number: M0406
Product name: 5-Methyl-2-pyrrolidone
Purity: >98.0%(GC)
Packaging: 25g
Price: $94
Updated: 2025/07/31

TRC

Product number: M339545
Product name: 5-Methyl-2-pyrrolidone
Packaging: 100mg
Price: $45
Updated: 2021/12/16

Chem-Impex

Product number: 43830
Product name: 5-Methyl-2-pyrrolidone,≥98%(GC)
Purity: ≥98%(GC)
Packaging: 10G
Price: $48.54
Updated: 2021/12/16

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5-METHYL-2-PYRROLIDONE Chemical Properties,Usage,Production

Definition

ChEBI: Gamma-Valerolactam is a member of pyrrolidin-2-ones.

5-METHYL-2-PYRROLIDONE Preparation Products And Raw materials

Raw materials

Preparation Products

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5-METHYL-2-PYRROLIDONE Suppliers

Americas 1 China 57 Europe 1 Germany 2 India 3 Japan 1 Switzerland 1 United Kingdom 2 United States 9 Global 77

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108-27-0, 5-METHYL-2-PYRROLIDONERelated Search:

Cyclopentene oxide 5-METHYL-2-PYRROLIDONE PYR-ALA-OH CYTOCHALASIN A Z-PYR-OH Cytochalasin H CYTOCHALASIN E 1,5-DIMETHYL-2-PYRROLIDINONE Ethyl D-(-)-pyroglutamate L-Pyroglutamamide DIHYDROCYTOCHALASIN B Thyrotropin-releasing hormone PYR-PNA 2,4-PENTANEDIONE PEROXIDE 3-Methyl-2-pyrrolidone,alpha-Methylbutyrolactam~3-Methyl-2-pyrrolidone N-Methyl-2-pyrrolidone DIRHODIUM (II) TETRAKIS(METHYL 2-PYRROLIDONE-5(R)-CARBOXYLATE)ACETONITRILE/2-PROPANOL COMPLEX Dimethyl sulfoxide

5-METHYL-2-PYRROLIDINONE

5-METHYL-2-PYRROLIDONE

5-METHYLBUTYROLACTAM

(R,S)-5-Methyl-pyrrolidin-2-one

2-Pyrrolidinone, 5-methyl-

2-Pyrrolidinone,5-methyl-

2-Pyrrolidinone,5-methyl-,(±)-

5-Methyl-1-azacyclopentan-2-one

gamma-Valerolactam

5-METHYL-2-PYRROLIDONE 98+%

4-Pentanelactam

5-Methyl-2-pyprrolidone

5-Methyl-2-pyrrolizinone

5-Methylpyrrolidin-2-one

5-Methyl-2-pyrrolidinone 98%

5-Methyl-2-pyrrolidone&gt

rac 5-Methyl-pyrrolidin-2-one

5-METHYL-2-PYRR0LIDIN0NE

5-methylpyrrolidin-2-one - [M81308]

5-methyl-2-pyridineone

108-27-0

Heterocyclic Building Blocks

Pyrrolidines

Building Blocks

C4 to C8

Chemical Synthesis

Heterocyclic Building Blocks

Building Blocks

Heterocyclic Building Blocks

Pyrrolidines