NMP 1-Methyl-2-Pyrrolidinone CAS 872-50-4

• CAS No.: 872-50-4
• Formula: C5h9no
• EINECS: 212-828-1
• Type: Synthesis Material Intermediates
• Appearance: Liquid
• Quality: Industrial
• Model NO.: zhishangchemical
• Colour: Yellow
• Certificate: ISO 9001
• Sample: Available
• Supply Type: OEM/ODM
• Used: Used for Blending Daily Chemical Flavor and Feed F
• Transport Package: 100g; 1kg; 25g
• Trademark: ZHISHANG
• Origin: China
• Production Capacity: 50000kg/Mouth

Product Description

Melting point	−24 °C(lit.)
Boiling point	202 °C(lit.)
density	1.028 g/mL at 25 °C(lit.)
vapor density	3.4 (vs air)
vapor pressure	0.29 mm Hg ( 20 °C)
refractive index	n20/D 1.479
Fp	187 °F
storage temp.	2-8°C
solubility	ethanol: miscible0.1ML/mL, clear, colorless (10%, v/v)
form	Liquid
pka	-0.41±0.20(Predicted)
color	≤20(APHA)
Odor	Slight amine odor
PH	8.5-10.0 (100g/l, H2O, 20ºC)

N-methylpyrrolidone is an excellent extraction solvent, widely used in the extraction of aromatic hydrocarbons, acetylene concentration, butadiene separation and synthesis gas desulfurization process, but also in the production of pesticides, engineering plastics, Chemicalbook coating, synthetic fiber, integrated circuit and other solvents. It can also be used as industrial detergent, dispersant, dyeing agent, lubricating oil antifreeze agent, etc. The toxicity of this product was low. The oral LD50 of rats was 7ml/kg.