
Nmp 99.9% 872-50-4
Product Introduction
⊙NMP is a versatile solvent and has desirable chemical and physical properties. It is highly miscible with water, alcohols, and most organic solvents, and it has a low toxicity level. It also has a high boiling point, low odor, and low vapor pressure, making it a popular choice as a solvent in various industrial applications.
⊙However, NMP does have some potential health hazards and environmental concerns associated with its use. It is considered hazardous by the US Environmental Protection Agency (EPA) due to its toxicity to reproduction, and it is classified as a Category 2 reproductive toxin. NMP is also a volatile organic compound (VOC), and its use contributes to air pollution if not properly handled with proper ventilation and emission controls. Additionally, NMP has shown toxicity to aquatic and terrestrial organisms, and its release into the environment can have harmful effects on ecosystems.
⊙In conclusion, N-Methyl-2-pyrrolidone (NMP) is a highly versatile solvent with a wide range of applications across various industries, including polymer manufacturing, electronics, pharmaceuticals, agrochemicals, and specialty chemicals. Despite the usefulness of NMP, its potential health hazards and environmental concerns should be taken into account, and proper safety and handling procedures should be implemented to minimize negative impacts on human health and the environment.
High-Precision Applications
◢ Li-ion battery electrolytes:** Solvent for LiPF₆/LiTFSI salts (H₂O ≤5ppm)
◢ Photoresist stripping:** Wafer cleaning (Cu/Fe ≤0.01ppm)
◢ OLED production:** Polyimide precursor synthesis
◢ Pharmaceuticals:** ICH Q3C Class 3 residual solvent
◢ Nanofiber production:** Electrospinning carrier solvent
Ultrapure Specifications
|
Parameter |
Nmp 99.9% 872-50-4 Spec |
|
CAS No |
872-50-4 |
|
Assay (GC/MS) |
≥99.9% |
|
Water (KF) |
≤10 ppm |
|
Metals (ICP-MS) |
≤0.01 ppm total |
|
Particle Count |
≤5 particles/ml (>0.5μm) |
|
Peroxides |
≤0.5 ppm (BHT inhibited) |
|
bp |
202°C ±1°C |
|
APHA Color |
≤5 |
Critical Handling Protocol
1.Packaging:210L stainless steel drums (N₂-sparged, O₂ <2ppm)
2.Transfer: Closed-system PTFE lines only
3.Decomposition: Thermal cutoff at 220°C (forms N-methylsuccinimide)
4.Material Compatibility: 316L SS, PTFE, PFA - **avoid aluminum
CNC machining Manufactruing process
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For Li-ion Batteries:
Conductivity: 8.2±0.1 mS/cm (1M LiPF₆ in EC:EMC 3:7)
Aluminum corrosion: ≤0.2 μm/month at 45°C
Cycle life improvement: +15% vs. standard NMP
custom service
Photoresist removal rate: 3.2 μm/min @ 75°C
Ionic contamination: ≤0.05 μg/cm² (SEMI C36)
Particle addition: ≤0.1 particles/cm²

Supply Advantages
Dedicated production line
200MT/month capacity
01
Traceability
Benchmarking machinery has great influence,covering 1,500 companies and 15 well-known enterprises across the country
02
Custom filtration
0.05μm PTFE membrane option
03
Global compliance
REACH Annex XVII exemption documentation
04
Safety packs
Oxygen/moisture monitors in every drum
05
Failure Prevention Measures
Moisture control
Drum headspace N₂ purge during dispensing
Metal contamination
Install 0.1μm in-line filters before use
Viscosity stability
Storage temperature 15-25°C
Peroxide formation
Monthly BHT concentration verification






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