8 Year Exporter All Natural Disinfectant - China Manufacturer N-Methyl-2-Pyrrolidone NMP N-Methyl Pyrrolidone CAS 872-50-4 – Guanlang Detail:
We are one of the leading N-Methyl-2-Pyrrolidone suppliers NMP manufacturers in china, if you want to buy 1-Methyl-2-Pyrrolidinone from china, feel free to contact us for competitive price and free sample of N-Methyl Pyrrolidone.
Product: N-METHYL-2-PYRROLIDONE
Synonym:NMP, N-Methyl pyrrolidone; 1-Methyl-2-Pyrrolidinone
CAS :872-50-4
EINECS:212-828-1
Molecular formula: C5H9NO
Molecular weight: 99.134
Molecular structure:
Melting point: -23.60ºC
Boiling Point: 202ºC
Flash point (closed cup)/20ºC: 890ºC
Viscosity (200C, mPas): 1.796
Specifications:
Items | Reagent grade | Electronic grade | Pharmaceutical grade | Industrial grade |
Purity (GC, wt%) | ≥99.90 | ≥99.90 | ≥99.80 | ≥99.50 |
Water (K.F., wt%) | ≤0.01 | ≤0.02 | ≤0.03 | ≤0.05 |
Chroma (Hazen, APHA) | ≤5 | ≤10 | ≤20 | ≤25 |
Density (@20ºC,g/ml) | 1.026~1.036 | 1.026~1.036 | 1.026~1.036 | 1.026~1.036 |
Refractive index (@20ºC) | 1.465~1.475 | 1.465~1.475 | 1.465~1.475 | 1.465~1.475 |
PH value (20ºC) 50% | 6.5~9.0 | 6.5~9.0 | 6.5~9.0 | 6.5~9.0 |
Total amine (50%,ppm) | ≤10 | ≤20 | ≤30 | ≤50 |
Chloride (Cl) ppm | ≤0.1 | ≤0.25 | ≤0.5 | ≤1 |
Phosphate (PO4) ppm | ≤0.1 | ≤0.25 | ≤0.5 | ≤1 |
Sulfate (SO4) ppm | ≤0.1 | ≤0.25 | ≤0.5 | ≤1 |
Nitrate (NO3) ppm | ≤0.01 | ≤0.25 | ≤0.5 | ≤1 |
Li, ppb | ≤10 | ≤20 | – | – |
Na, ppb | ≤10 | ≤20 | – | – |
Mg, ppb | ≤10 | ≤20 | – | – |
Al, ppb | ≤10 | ≤20 | – | – |
K, ppb | ≤10 | ≤20 | – | – |
Ca, ppb | ≤10 | ≤20 | – | – |
Cr, ppb | ≤10 | ≤20 | – | – |
Mn, ppb | ≤10 | ≤20 | – | – |
Fe, ppb | ≤10 | ≤20 | – | – |
Co, ppb | ≤10 | ≤20 | – | – |
Ni, ppb | ≤10 | ≤20 | – | – |
Cu, ppb | ≤10 | ≤20 | – | – |
Zn, ppb | ≤10 | ≤20 | – | – |
Ag, ppb | ≤10 | ≤20 | – | – |
Cd, ppb | ≤10 | ≤20 | – | – |
Pb, ppb | ≤10 | ≤20 | – | – |
Ti, ppb | ≤10 | ≤20 | – | – |
B, ppb | ≤10 | ≤20 | – | – |
As, ppb | ≤10 | ≤20 | – | – |
Au, ppb | ≤10 | ≤20 | – | – |
Hg, ppb | ≤10 | ≤20 | – | – |
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Cooperation
Our purpose is to fulfill our clients by offering golden company, great price and premium quality for 8 Year Exporter All Natural Disinfectant - China Manufacturer N-Methyl-2-Pyrrolidone NMP N-Methyl Pyrrolidone CAS 872-50-4 – Guanlang, The product will supply to all over the world, such as: Kazakhstan, Anguilla, Panama, Our company, is always regarding quality as company' s foundation, seeking for development via high degree of credibility , abiding by iso9000 quality management standard strictly , creating top-ranking company by spirit of progress-marking honesty and optimism.
Hebei Guanlang Biotechnology Co., Ltd. belongs to Guanlang Group, which was founded in 2007 , located in Shijiazhuang city which is the capital of Hebei Province and hub sector among Beijing Tianjin and Hebei and has advantage of convenient transportation . Our company is a modern high-tech chemical enterprise with Research & Development, production and sales.We have our own factory and lab,also offer customized synthesis service for our customers.

Products and services are very good, our leader is very satisfied with this procurement, it is better than we expected,
