
N-Methylpyrrolidone N-Methyl-2-pyrrolidone NMP Solvent - 1000ml
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Description
N-Methylpyrrolidone (NMP)
Other Names: N-Methyl-2-pyrrolidone, 1-Methyl-2-pyrrolidone
Chemical Formula: C₅H₉NO
Molar Mass: 99.13 g/mol
CAS Number: 872-50-4
Appearance: Colorless to pale yellow liquid
Odor: Slight amine-like odor
Physical and Chemical Properties
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Density: ~1.03 g/cm³ at 20 °C
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Melting Point: −24 °C
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Boiling Point: 202 °C
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Flash Point: ~91 °C (closed cup)
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Vapor Pressure: ~0.29 hPa at 20 °C
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Solubility: Miscible with water and most organic solvents
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Viscosity: ~1.65 mPa·s at 25 °C
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pH: ~8 (in water)
Applications
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Solvent for Polymers: Dissolves a wide range of resins and plastics (e.g., polyimides, epoxies)
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Electronics Industry: Used in photoresist stripping and semiconductor cleaning
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Paints and Coatings: High-performance solvent in formulations requiring slow evaporation
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Petrochemical Processing: Employed in extraction and purification steps
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Adhesives and Sealants: Improves flow and stability of industrial glues
Safety Information
Signal Word: ⚠️ Danger
H315 (> 99.9%): Causes skin irritation [Warning Skin corrosion/irritation]
H319 (> 99.9%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]
H335 (94.8%): May cause respiratory irritation [Warning Specific target organ toxicity, single exposure; Respiratory tract irritation]
H360 (94.2%): May damage fertility or the unborn child [Danger Reproductive toxicity]
P203, P261, P264, P264+P265, P271, P280, P302+P352, P304+P340, P305+P351+P338, P318, P319, P321, P332+P317, P337+P317, P362+P364, P403+P233, P405, and P501
Handling and Storage
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Handling: Use only in well-ventilated areas. Avoid contact with skin and eyes
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Storage: Keep in tightly closed containers in a cool, dry, well-ventilated place. Protect from heat and direct sunlight
Environmental Considerations
NMP is readily biodegradable but may pose a hazard to aquatic organisms in large concentrations. Avoid environmental release.