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N-METHYL 2-PYRROLIDONE Semiconductor grade

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COAs

Packings

1000 ml (01000)

2500 ml (02500)

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Article No. 4674C Grade Semiconductor grade
Purity 99.5% CAS No. 872-50-4
Molecular Formula C5H9NO Molecular Weight 99.13
H.S. Code 2933.5990 Shelf Life 60 Months

Specifications

Appearance Clear Colorless Liquid Colour scale Max 50 APHA
Purity (by GC) Min 99.5% Density (at 20°C) 1.029-1.033 g/ml
Water (by KF) Max 0.1% Chloride (Cl) Max 1000 ppb
Phosphate (PO4) Max 5000 ppb Free acid (as Pyromellitic acid) Max 50 ppm
Free alkali (as methylamine) Max 100 ppm Particles > 0.5 µm Max 250 P/ml
Aluminium (Al) Max 100 ppb Antimony (Sb) Max 10 ppb
Arsenic (As) Max 10 ppb Barium (Ba) Max 50 ppb
Beryllium (Be) Max 20 ppb Bismuth (Bi) Max 50 ppb
Boron (B) Max 100 ppb Cadmium (Cd) Max 20 ppb
Calcium (Ca) Max 100 ppb Chromium (Cr) Max 20 ppb
Copper (Cu) Max 20 ppb Gallium (Ga) Max 20 ppb
Gold (Au) Max 10 ppb Indium (In) Max 20 ppb
Iron (Fe) Max 50 ppb Lead (Pb) Max 50 ppb
Lithium (Li) Max 20 ppb Magnesium (Mg) Max 50 ppb
Manganese (Mn) Max 20 ppb Molybdenum (Mo) Max 50 ppb
Nickel (Ni) Max 20 ppb Platinum (Pt) Max 10 ppb
Potassium (K) Max 100 ppb Silver (Ag) Max 10 ppb
Sodium (Na) Max 100 ppb Strontium (Sr) Max 20 ppb
Tin (Sn) Max 50 ppb Titanium (Ti) Max 50 ppb
Thallium (Tl) Max 50 ppb Vanadium (V) Max 50 ppb
Zinc (Zn) Max 50 ppb Zirconium (Zr) Max 50 ppb

Safety Information and Hazard Symbols

Exclamation Mark Health Hazard
Symbol: GHS07, GHS08
 Signal Word: Danger
 Hazardous Statement: H315-H319-H335-H360D
 Precaution Statement: P201-P261-P305 + P351 + P338-P308 + P313
Revision Date: 18-Nov-2025

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