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Home › Product Catalog › N-methyl pyrrolidone

N-methyl pyrrolidone

CAS 872-50-4C5H9NOMW 99.07 g/mol

N-methyl pyrrolidone (CAS 872-50-4) — formula C5H9NO, molecular weight 99.07 g/mol.

Specifications

CAS Number872-50-4
Molecular FormulaC5H9NO
Molecular Weight99.07 g/mol
Melting Point-9 °F (NTP, 1992)
Boiling Point396 °F at 760 mmHg (NTP, 1992)
LogP-0.5
ApplicationsPlating agent, Processing aids not otherwise specified, Polymerization promoter, Solvent, Laboratory chemicals, Chelating agent, Pigment, Etching agent

Where it is used

Documented applications: Plating agent, Processing aids not otherwise specified, Polymerization promoter, Solvent, Laboratory chemicals, Chelating agent, Pigment, Etching agent.

Purchase Profile

What this product is

N-methyl pyrrolidone is a chemical compound with CAS registry number 872-50-4 and molecular formula C5H9NO (molecular weight 99.07 g/mol).

Identification

CAS number: 872-50-4

Its molecular formula C5H9NO comprises 5 C, 9 H, 1 N, 1 O atoms.

Also known as: N-methyl pyrrolidone · 1-Methyl-2-pyrrolidinone · Pharmasolve

Frequently Asked Questions

What is the CAS number of N-methyl pyrrolidone?

The CAS registry number of N-methyl pyrrolidone is 872-50-4.

What is the molecular formula and molecular weight of N-methyl pyrrolidone?

Molecular formula C5H9NO, molecular weight 99.07 g/mol.

What other names is N-methyl pyrrolidone known by?

It is also registered under: N-methyl pyrrolidone, 1-Methyl-2-pyrrolidinone, Pharmasolve.

What are the documented applications of N-methyl pyrrolidone?

Recorded applications: Plating agent, Processing aids not otherwise specified, Polymerization promoter, Solvent, Laboratory chemicals, Chelating agent, Pigment, Etching agent.

PubChem Public Data

Public-database records for N-methyl pyrrolidone (CAS 872-50-4), reproduced here for independent cross-checking.

Safety classification and hazard statements

GHS notification summary0.1% (1 / 2679)
Reported hazard statementsH315, H319, H335, H360 (94.2%), H227, H336, H373, H361

H315: Causes skin irritation [Warning Skin corrosion/irritation]

H319: Causes serious eye irritation [Warning Serious eye damage/eye irritation]

Regulatory listings

Regulatory & Food ContactFDA Cumulative Estimated Daily Intake (CEDI): FCS
FDA Inventory of Food Contact Substances Listed in 21 CFR: FCS
CIR / INCI: Surfactant
GHS notification summary0.1% (1 / 2679)

Physical description and handling notes

  • N-methyl-2-pyrrolidone appears as a clear colorless liquid with a "fishlike" odor. Denser than water. Flash point 199 °F. Contact may irritate skin, eyes and mucous membranes. May be toxic by ingestion.
  • Liquid; Liquid; Other Solid; Dry Powder; CBI
  • A clear colorless liquid with a fish-like odor; [CAMEO] Almost colorless liquid with an amine odor; [AIHA]
  • COLOURLESS HYGROSCOPIC LIQUID WITH CHARACTERISTIC ODOUR.
  • A clear colorless liquid with a fish-like odor.
  • Clear liquid

Reported physical properties

沸点396 °F at 760 mmHg (NTP, 1992)
沸点202 °C at 760 mm Hg
沸点202 °C
沸点396 °F
沸点202 °C @760 [mm Hg]
熔点-9 °F (NTP, 1992)
熔点-25 °C
熔点-24.4 °C
熔点-9 °F
熔点-23.09 °C

How this substance is indexed

CAS Registry Number872-50-4
PubChem CID13387
分子式C5H9NO
分子量99.07 g/mol
IUPAC 名称1-methylpyrrolidin-2-one
InChIKeySECXISVLQFMRJM-UHFFFAOYSA-N
UNII（FDA）JR9CE63FPM
ChEBI 编号CHEBI:7307

Documented uses

  • Metal Degreasing [Category: Clean]
  • Semiconductor Manufacturing [Category: Industry]
  • Painting (Solvents) [Category: Paint]
  • Working with Glues and Adhesives [Category: Other]
  • Silk-Screen Printing [Category: Other]
  • Important areas of use:[Table#5034]

Names this substance appears under

1-METHYL-2-PYRROLIDINONE; 872-50-4; N-Methyl-2-pyrrolidone; N-Methylpyrrolidone; N-Methyl-2-pyrrolidinone; Methylpyrrolidone; 1-Methyl-2-pyrrolidone; 1-Methylpyrrolidone; Methyl pyrrolidone; N-Methylpyrrolidinone; 1-Methylpyrrolidinone; n-methyl-pyrrolidone; 1-Methyl-5-pyrrolidinone; 2-Pyrrolidinone, 1-methyl-; 1-Methylazacyclopentan-2-one; N-Methyl-gamma-butyrolactam

Computed molecular descriptors

分子量99.13
XLogP3-0.5
氢键供体数0
氢键受体数1
可旋转键数0
精确质量99.068413911
单同位素质量99.068413911
拓扑极性表面积20.3
重原子数7
形式电荷0

Database abstract

N-methyl pyrrolidone is identified by CAS 872-50-4, molecular formula C5H9NO and molecular weight 99.07 g/mol. UNII JR9CE63FPM; ChEBI 7307; InChIKey SECXISVLQFMRJM-UHFFFAOYSA-N. 沸点: 396 °F at 760 mmHg (NTP, 1992); 沸点: 202 °C at 760 mm Hg; 沸点: 202 °C.

Source: PubChem / Wikidata; the batch COA governs where values differ.

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