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Product

N-Methylpyrrolidone (NMP)

NMP belongs to nitrogen heterocyclic compound and has a series of excellent physical and chemical properties. With features as non-toxicity, high boiling point, strong polarity, low viscosity, low corrosivity, high solubility, low volatility, good stability and easy recovery, it is an efficient selective solvent.

Chemical name: N-Methylpyrrolidone; 1-Methyl-2-pyrrolidinone, anhydrous; NMP; N-Methyl pyrrolidone;

CAS NO.: 872-50-4

Product properties: 

Molecular formula:

C5H9NO

Molecular weight:

99.134

Molecular structural formula:

 

Refractive index (nD20):

1.465-1.475

Flash point:

95 ° C 

Boiling point:

202 ° C

Ignition temperature:

245 ° C 

Viscosity (20 ° C, mPas):

1.796

Properties:

A colorless, transparent liquid that is highly hygroscopic, miscible with water in any proportion, and is almost completely mixed with all solvents (ethanol, acetaldehyde, ketones, aromatic hydrocarbons, etc.).

 

 

Product Specifications (Executive Enterprise Standard: Q/1423MCX001-2012):

Index

Reagent Grade

Electronic Grade

Industrial Grade

Common Grade

Purity (Wt%, GC)

≥99.9

≥99.9

≥99.9

≥99.8

Moisture (wt%, KF)

≤0.008

≤0.01

≤0.05

≤0.1

Chromaticity (Hazen)

≤8

≤10

≤15

≤20

Density (D120g/ml)

1.032~1.035

1.032~1.035

1.032~1.035

1.032~1.035

PH value / (20 ° C) 50%

6.5 to 9.0

6.5 to 9.0

——

——

Refractive index

1.466~1.472

1.466~1.472

1.466~1.472

1.466~1.472

Flash point (closed cup) / 20 ° C 

≥89

≥89

≥89

≥89

 

Product Usage: 

N-Methylpyrrolidone is a nitrogen heterocyclic compound with a series of excellent physical and chemical properties. It is non-toxic, has a high boiling point, strong polarity, low viscosity, low corrosivity, high solubility, low volatility and good stabilit, so it is an efficient, selective solvent for easy recovery. Widely used in petrochemical, pesticide, pharmaceutical, electronic materials and other fields.

 

1, Reagent Grade: mainly used in high-end electronics industry such as liquid crystal, semiconductor.

2, Electronic Grade: mainly used in lithium batteries, fiber and other industries.

3, Medicine Grade: mainly used in pharmaceutical solvents, intermediates and other industries. 
4, Industrial Grade: mainly used in petrochemical extraction, pesticides, insulating paint and industrial cleaning industries.

 

Application of Electronic Grade NMP :

(1) Widely used as a solvent for polyvinylidene fluoride, and electrode auxiliary materials for lithium ion batteries; 
(2) for photoresist removal liquid, LCD liquid crystal material production; 
(3) solvent for pharmaceutical production ; 
(4), for cleaning the precision instrument industry, the semiconductor circuit board.
 

Package: 

Galvanized iron drum or plastic drum, net weight 200Kg per drum. IBC plastic drum; ISO TANK: 24 tons, 4 kg plastic gallon bottles. Can also be customized according to customer requirements.
 

Storage and transportation methods :

Stored in a cool, ventilated warehouse, away from heat sources. When handling, lightly load and unload, keep the package intact and prevent leakage. Under the specified storage conditions, the product has a shelf life of 1 year.

The chemical properties of this product are not active; except for copper, it is non-corrosive to other metals such as carbon steel and aluminum. Packed in galvanized iron drums, stored and transported according to general chemical regulations. 

Contact us

Tel:+86-18720987353
Email: [email protected] [email protected]
QQ:924074842 Wechat:18720987353
Street Address:Xingcun Road,Xinfeng Industrial Zone,Ganzhou City,Jiangxi Province

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