PriceList for Dimethyl Malonate - 1-Methyl-2-pyrrolidinone 872-50-4 – Starsky

Description

Product Name: 1-Methyl-2-pyrrolidinone

CAS: 872-50-4

MF: C5H9NO

MW: 99.13

EINECS: 212-828-1

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: Store at +5°C to +30°C.

Form: Liquid

Pka: -0.41±0.20(Predicted)

Color: ≤20(APHA)

Odor: Slight amine odor

PH: 8.5-10.0 (100g/l, H2O, 20℃)

PH Range: 7.7 – 8.0

Water Solubility: >=10 g/100 mL at 20 ºC

Sensitive: Hygroscopic

Merck: 14,6117

BRN: 106420

Specification

Application

1. It is an excellent solvent, widely used as an extractant for aromatics extraction, lubricating oil refining, acetylene concentration, syngas desulfurization, etc., and also used in industrial cleaning, etc.

2. N-methylpyrrolidone is an excellent extraction solvent. It is widely used as an extractant in the process of aromatic extraction, acetylene concentration, butadiene separation and synthesis gas desulfurization. It is also a pesticide, engineering plastic, Solvents in the production of coatings, synthetic fibers, integrated circuits, etc., can also be used as industrial detergents, dispersants, dyes, lubricants and antifreeze, etc. The product has low toxicity, and the oral LD50 for rats is 7ml/kg.

3. Widely used in high-grade lubricating oil refining, polymer synthesis, insulating materials, pesticides, pigments and cleaning agents, etc.

4. Solvent. Organic Synthesis.

5. Used in aromatic extraction, purification of acetylene, olefin, and diolefin; used in polymer solvent and polymerization medium, such as engineering plastics such as polyamide, polyimide, polyphenylene sulfide, and aramid fiber Used as solvent and extractant. NMP is a polar aprotic solvent with low toxicity, high boiling point, outstanding solubility, strong selectivity and good stability. It is widely used in the extraction of aromatics; purification of acetylene, olefins and diolefins. It is also used for polymer solvents and polymerization media. Such as polyamide, polyimide, polyphenylene sulfide and other engineering plastics and aramid fibers. It is also used in insulating materials, pesticides, pigments and detergents.

Storage

Stored in a dry and ventilated warehouse.