N-Methylpyrrolidone NMP 99.9% CAS 872-50-4

N-methylpyrrolidone NMP 99.9% CAS 872-50-4
GENERAL INFORMATIONMolecular formula: C5H9NO
Molecular weight:99.134
Melting point: -23.60ºC
Boiling Point: 202ºC
Flash point (closed cup)/20ºC: 890ºC
Viscosity (200C, mPas): 1.796
Ignition temperature: 245ºC
Structure formula:
SPECIFICATION
ItemsMicro-electronic gradeElectronic gradePharmaceutical gradeIndustrial gradePurity (GC, wt%) ≥99.999.999.899.5Water (K.F., wt%) ≤0.010.020.030.05Chroma (Hazen, APHA ≤5102025Density (@200Cjg/ml)1.026~ 1.0361.026 ~ 1.0361.026 ~ 1.0361.026 ~ 1.036Refractive index (@20~)1.46~1.4751.465 ~1.4751.465 ~1.4751.465 ~1.475PH value (20'C) 50%6.5 ~ 9.06.5 ~ 9.06.5 ~ 9.06.5 ~ 9.0Total amine (50%,ppm) ≤10203050Heavy metal ≤102050100Free ammonia,ppm≤20≤50≤100/Total Amine,ppm≤50≤50≤100/PH[(1ml/10ml)Aqueous solution6-96-97-10/Chloride(Cl),ppm≤0.1≤0.25≤0.5≤1Phosphate(PO4),ppm≤0.1≤0.25≤0.5≤1Sulphate(SO4),ppm≤0.1≤0.25≤0.5≤1Nitrate(NO3),ppm≤0.1≤0.25≤0.5≤1Li,ppb≤10≤100Na,ppb≤10≤100Mg,ppb≤10≤100Al,ppb≤10≤100K,ppb≤10≤100Ca,ppb≤10≤100Cr,ppb≤10≤100Mn,ppb≤10≤100Fe,ppb≤10≤100Co,ppb≤10≤100Ni,ppb≤10≤100Cu,ppb≤10≤100Zn,ppb≤10≤100Ag,ppb≤10≤100Cd,ppb≤10≤100Pb,ppb≤10≤100
PACKING AND TRANSPORTATION
Galvanized iron drums(N.W 200KG),baking paint drum(N.W 200KG),HDPE drum(N.W 200KG)
IBC(N.W 1000KG),ISO TANK(N.W 20MT)Store in a cool, ventilated storeroom away from fire, heat source. Lightweight and light unloading during handling to keep the packaging intact and prevent leakage. The product has a shelf life of 1 years under specified storage conditions
APPLICATIONNMP belongs to nitrogen heterocyclic compounds, with a series of excellent physical and chemical properties, is a non-toxic, high boiling point, strong polarity, low viscosity, small corrosion, high solubility, low volatility, good stability, easy to recover high-efficiency selective solvents.
1. Micro-Electrical Grade: Mainly used in liquid crystal, semiconductor and other high-end electronics industry.
2. Electronic grade: Mainly used in lithium batteries, fiber and other industries.
3. Pharmaceutical grade: Mainly used in pharmaceutical solvents, intermediates and other industries.
4. Industrial grade: Mainly used in petrochemical extraction, pesticides, insulating paint and industrial cleaning and other industries.