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N-Methyl-Pyrrolidone(Nmp)

(1.3)
Supplier From China
Aug-22-07

N-methyl-pyrrolidone(nmp)

Product name: n-methyl-pyrrolidone
Cas no: 872-50-4
Chemical formular: c5h9no
Molecular weight: 99. 134
Assay: 99. 8% & 99. 5%
Appearance: colorless and transparent liquid
Density (g/ml) :1.020-1.040
Refractive index n20d:1.4680-1.4695
Boiling point: 202c
Flash point: 95c
Characteristics: dissolvable in water and many solvents, such as acetaldehyde, ether, acetone, etc.
Package: galvanized iron drum of 200kgs net weight


Galvanized iron drum of 200kgs net weight

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Price: Negotiable
MOQ: Not Specified
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N-methyl-pyrrolidone (NMP) 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 stability, so it is an efficient, selective solvent for easy recovery. Widely used in petrochemical, electronic materials and other fields.

Application:

This product is an important chemical raw material, a polar solvent with good selectivity and stability properties , low toxicity, high boiling point , strong solvency, non-inflammable, has many advantages, such as the biodegradation, reutilization, safety in use and suitable for many kinds of prescription,etc. Its main applications are as follows:

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 solvents, intermediates and other industries.

4.Industrial grade: mainly used in petrochemical extraction,pesticides, insulating paint and industrial cleaning industries.
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Product name: n-methyl-pyrrolidone
Cas no: 2687-44-7
Chemical formular: c5h9no
Molecular weight : 99.134
Specification: industrial grade 99. 5% min.
Electronic grade 99. 9% min.
Characteristics:
Colorless and transparent liquid, with boiling point 202c and flash point 95c.
Dissolvable in water and many solvents, such as acetaldehyde, ether, acetone.
Application:
Nmp is widely applied to aromatic hydrocardons extracting, acetylene, and diolefine purification.
Used as polymer solvents and polymerization process medium
It can be used as aromatic fibre, insulate pesticide, pigment and detergent.
It can be used in battery, lcd and semiconductor etc.
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Physical Properties
NMP is colorless transparent oily liquid, slightly amine odor, can be dissolved in most organic and inorganic compounds, polar gases, natural and synthetic polymer compounds . Acute toxicity: mice oral channel LC50:5130mg/kg; Rat oral meridian LD50:3914mg/kg

NMP is stable in a neutral solution. After 8 hours in 4% sodium hydroxide solution,there are 50%~70% of NMP that will occurs hydrolysis .
Uses in Different Fields
NMP can be used as solvent for polymer reaction;
Compared with phenol and furfural, n-methylpiriolanone has the characteristics of strong polarity, non-toxic and non-corrosive, and easy recovery. It has been used to remove aromatic substances in lubricating oil instead of phenol and aldehyde. This process is safe and easy to operate with low solvent loss;
NMP can be used to recover acetylene, butadiene and vallediene from naphtha cracking gas.
NMP can be used to clean blockades in chemical equipment of tower type. High concentration of N-methylpyrsquidone can also be used as ultrasonic cleaning agent for fine machinery and optical instruments;
NMP is the main raw material for the production of artificial plasma and vitamin B1.
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