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1-Methyl-2-pyrrolidone 99% AR Grade Reagent

Cas Number:872-50-4
Formula:C5H9NO
Molar Mass:99.13
EC Number:212-828-1

Quantity:
  • AR
  • LABOR
  • 129302104

1-Methyl-2-pyrrolidone 99% AR Grade Reagent


Cas Number:872-50-4

Formula:C5H9NO

Molar Mass:99.13

EC Number:212-828-1


Physicochemical properties:

Colorless liquid with slight ammonia odour. It can volatilize with water vapor. It is hygroscopic and sensitive to light. It is miscible with water, various organic solvents and castor oil. The relative density (d254) is 1.0279.The melting point is -24 ° C. The boiling point is 202 ° C. The refractive index (n25D) is 1.4666. The flash point is 95 ° C. The median lethal dose (rat, oral) is 3.8 ml/kg.


Usage:

Solvent. Organic Synthesis.


Packing:

500ml/25L/200L




Item of Analysis

Standard

Assay,%

99.0 min

Density(20),g/ml

1.031~1.035

Refractive index,n20/D

1.469~1.471

Moisture,%

0.1 max

Solubility in ethanol

to pass test


Symbol 

Signal word 

Danger

Hazard statement

H227


H319


H335


H360

Precautionary statements—Prevention

P201


P202


P210


P261


P271


P280

Precautionary statements—Response

P304+P340+P312


P305+P351+P338


P308+P313


P337+P313


P370+P378

Precautionary statements—Storage

P403+P233

P405

UN No.

No information

Flashpoint

95 °C

Melting point

-24°C

Boiling point

202.0°C





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