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N-Methyl-Pyrrolidone

Inquiry
  Post Date: Jan 08,2013
  Expiry Date: Jul 07,2013
  Detailed Description: Cas No. :872-50-4 N-Methyl-Pyrrolidone
Chemical name: N-Methyl-2-pyrrolidinone; 1-Methyl-2-pyrrolidone; N-Methyl-2-Pyrrolidone; NMP
CAS NO.:872-50-4
Characteristics:
Molecular formula:
C5H9NO Molecular weight:
99.134

Structural formula:
Density(D420)g/ml:
1.028~1.033

Melting point:
-23.6℃
Boiling point:
202°C

Flash point:
PH-value(100g/l)at 20℃
Refractive index:(nD20)
95℃
7.5-10
1.465-1.475
Ignition temperature
Dynamic at 20℃
245°C
1.796 mPas



Properties:
Colourless transparent liquid,it has strong water absorption. It can almost dissolve in all the solvents


Specification:
N-methyl pyrrolidone Specifications (Operative Standard: Q/1400MCX002-2009) : Item
Electronic grade
Industrial Grade
Test Method

Appearance
Colorless transparent liquid
Colorless transparent liquid
Eye-measurement

Purity %
≥99.90
≥99.50
Gas chromatography

Moisture %
≤0.020
≤0.050
Karl Fischer method

Tone APHA
≤10
≤15
Colorimetry

Density (D420) g/ml
1.027-1.035
1.027-1.035
Proportion

Refractive rate (nD20)
1.465-1.475
1.465-1.475
Spectrophotometry

PH Value (20℃,100g/L)
7.5-10
7.5-10
Potential method


Uses:
As a high-selective polar solvent and nitrogen heterocycle compound, NMP has such advantages as non-toxicity, high boiling point, low corrosion, high solubility, low viscosity, low volatility and good stability and high selectivity.

N-Methyl-pyrrolidone(electronic grade) is mainly used in such fields as:
(1) As solvent of poly(1,1-difluoro-Ethene); or electrode's accessory material of lithium ion battery.
(2)As remover liquid of photoresist; in the production of LCD materials;
(3)As solvent in pharmacy;
(4)Cleaning of precision instruments and circuit board.

1-Methyl-2-pyrrolidinone(industrial grade) is mainly used in such fields as:
(1)Extraction and recycling of organic raw materials in petrochemical industry
(2)Refining of lubricating oils
(3)As solvent of polymers and in polymerization.
(4) As solvent of resin processing in the manufacture of coatings, lacquer for floor, varnish, compound coating filming, enameled wire of IC, fiber fabrics and adhesives, etc.
(5) As industrial-use detergents in the cleaning of chemical equipments, stem, adhesive material and coatings etc.
(6) As solvent and dispersant in the production of pesticides and pigments.

Storage and transportation:
Store in cool and airy place; keep away from fire and heat; handle with care; avoid leakage.

  CAS Registry Number:

872-50-4
  Synonyms: ;N-Methylpyrrolidone;1-Methyl-2-pyrrolidinone, anhydrous;NMP;N-Methyl pyrrolidone;N-Methyl-2-pyrrolidone;N-Methyl-2-pyrrolidinone;N-Methyl-pyrrolidone;NMP-EL;NMP-T;N-METHYLPYRROLIDNONE;N-METHYLPYRROLIDINONE;N-METHYLPYRROLID-2-ONE;N-METHYLPYROLIDONE;M-PYROL(R);1-Methyl-2-pyrrolidone;
  Molecular Formula: C5H9NO
  Molecular Weight: 99.13
  Molecular Structure: 872-50-4 1-Methyl-2-pyrrolidinone
  Hazard Symbols:  Xi:Irritant;
  Risk Codes: R36/38:;
  Safety Description: S41:;

  Company: jinan yunxiang chemical co.,ltd     [ China ]        
  Contact: wan
  Tel: 086-0531-88662626
  Fax:
  Email: wangallen0531@yahoo.com
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