Product Name: CAS 872-50-4 Electronic Grade Solvent 99.9% Min N-Methyl Pyrrolidone NMP Model NO.: NMP Flux Type: Basic Flux Usage: Dissolved Composition: Organic Type: Acidic&Alkaline EINECS: 212-828-1 Formula: C5h9no CAS No.: 872-50-4 Trademark: ChemFine Transport Package: LDPE Drum Specification: 200kg/drum Origin: China Product Description ChemFine Service1. Product quality assurance3. Real-time order tracking2. Delivery guarantee4. The field inspectionProducts DescriptionWe provide different Grade NMP, please refer table below for detailed parameters!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.IndexReagent GradeElectronic GradeIndustrial GradeCommon GradePurity (Wt%, GC)≥99.9≥99.9≥99.9≥99.8Moisture (wt%, KF)≤0.008≤0.01≤0.05≤0.01Chromaticity (Hazen)≤8≤10≤15≤20Density (D120g/ml)1.032~1.0351.032~1.0351.032~1.0351.032~1.035PH value / (20 ° C) 50%6.5 to 9.06.5 to 9.0----Refractive index1.466~1.4721.466~1.4721.466~1.4721.466~1.472Flash point (closed cup) / 20 ° C≥89≥89≥89≥89