Active Member
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[China]
Address: 708,7th Floor,3th Unit,BCDE Building,Shilipu east and Shangdu Road South,Zhengdong New District,Zhengzhou,Henan,China
Contact name:Jessica
Henan Richwoll Chemical Co.,ltd |
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99.8% cas872-50-4 nmp
N-Methyl-2-pyrrolidinone
1-Methyl-2-pyrrolidinone
ITEMS SPECIFICATION
Appearance clear liquid clear liquidPurity GC 99.80% min 99.5% minMoisture 0.02% max 0.02% max
Color 10 max 15 max Density 1.032-1.035 1.027-1.035Refractivity 1.466-1.468 1.465-1.475
Items | electronic grade | Unit | Testing method |
Purity | 99.5/99.8min | % | GC |
Moisture | 0.02max | % | Karl fischer method |
Chroma | 10max | APHA | Colorimetry |
Density | 1.032-1.035 | 1.027-1.035 | 99.8% |
Refractivity | 1.466-1.468 | 1.465-1.475 | 99.5% |
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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) As solvent of poly(1,1-difluoro-Ethene); or electrode's accessory material of lithium ion battery.
(2)As remover liquid of photoresist; in the production of LCD materials;
(3)As solvent in pharmacy;
(4)Cleaning of precision instruments and circuit board
(5 As solvent of poly(1,1-difluoro-Ethene); or electrode's accessory material of lithium ion battery.
(6)As remover liquid of photoresist; in the production of LCD materials;
(7)As solvent in pharmacy;
(8)Cleaning of precision instruments and circuit board
Physical state and appearance: Liquid.
Odor: Amine like.
Taste: Not available.
Molecular Weight: 99.14 g/mole
Color: Colorless to light yellow.
pH (1% soln/water): Not available.
Boiling Point: 202°C (395.6°F)
Melting Point: -24°C (-11.2°F)
Critical Temperature: 451°C (843.8°F)
Specific Gravity: 1.026 (Water = 1)
Vapor Pressure: 0 kPa (@ 20°C)
Vapor Density: 3.4 (Air = 1)
Volatility: Not available.
Odor Threshold: Not available.
Water/Oil Dist. Coeff.: The product is more soluble in water; log(oil/water) = -0.5
Ionicity (in Water): Not available.
Dispersion Properties: Not available.
Solubility:Miscible with Castor Oil. Miscible with water, lower alcohols, ketones, ethyl
cetate, chloroform and benzene. Moderately soluble in aliphatic hydrocarbons and dissolves
many organic and inorganic compounds.
