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N-Methyl pyrrolidone from china

Author: Source: Date:11/8/2018 5:58:52 AM views:0

N-Methyl-pyrrolidone(NMP)


1,Physical-chemical Indexes:

Density: 1.028 g/mL at 25 ° C (lit.)

Melting point: - 24 ° C (lit.)

Boiling point: 202 ° C (lit.)

Flash: 187 ° F

The refractive index: n20 / D 1.479

Water solubility: > = 10 g / 100 mL at DHS 20 C

Storage conditions: completely packed, ventilated stored apart, away from the flame, high temperature, and antioxidant

Steam density: 3.4 (vs air)

2, Application:

 

NMP 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.


(1) Micro-electronic grade: Liquid crystal display,Semiconductor

 

(2) Electronic grade: Mainly used in lithium batteries, fiber and other industries
(3) Pharmaceutical grade: Mainly used in pharmaceutical solvents, intermediates, etc
(4) Industry grade: Mainly used in petroleum extraction, pesticides, insulating paint, industrial cleaning, etc.

 

3, Specification:

 

No.ItemsElectronicPharmaceuticalIndustrial
1Purity99.90% min.99.80% min.99.50% min.
2Water0.030% max.0.030% max.0.050% max.
3Color10APHA max.20APHA max.25APHA max.
4Density1.029-1.033 g/ml1.029-1.033 g/ml1.029-1.033 g/ml

 

4, Packing:

200kgs drum; 16MT/20'FCL

5, Storage Conditions:

Sealed and keep away from light.


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