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NMP (CAS 872-50-4) Quick Details
Chemical name: N-methy-lpyrrolidone;1- methyl-2-pyrrolidone; N-methyl-2-pyrrolidone
CAS NO.: 872-50-4
Molecular formula: C5H9NO
Character: colorless transparent liquid; be hygroscopic and miscible with water in any ratio, and also miscible with alcohol, ether, aromatic hydrocarbons and other solvents.
Product Name: | N-Methyl-2-pyrrolidone | ||
Synonyms: | 1-Methyl-5-pyrrolidinone; 1-Methylazacyclopentan-2-one; 1-Methylpyrrolidone; AgsolEx 1; M-Pyrol; Microposit 2001; N 0131; N-Methyl-2-ketopyrrolidine; N-Methyl-γ-butyrolactam; N-Methylbutyrolactam; N-Methylpyrrolidone; NMP; NSC 4594; Pharmasolve; Pyrol M; SL 1332; N-methyl-2-pyrrolidone | ||
CAS NO: | 872-50-4 | ||
Molecular Formula: | C5H9NO | ||
Molecular Weight: | 99.13 | ||
Melting Point: | '-24 °C (lit.) | ||
Boiling point: | 202 °C (lit.) 81-82 °C/10 mmHg (lit.) | ||
Density: | 1.028 g/mL at 25 °C (lit.) | ||
Appearance: | Colourless Oil | ||
Storage: | Store under a dry, inert gas, keep the container tightly closed, and store in a cool, dry place. | ||
Applications: | It is a versatile industrial solvent. NMP is currently approved for use only in veterinary pharmaceuticals. The determination of the disposition and metabolism of NMP in the rat will contribute toward understanding the toxicology of this exogenous chemical which man may likely be exposed to in increasing amounts. |
Specification and indicators
| Items | Micro-electronic grade | Electronic grade | Battery grade | Industrial grade |
| Purity (GC, wt%) | ≥99.95 | ≥99.9 | ≥99.9 | ≥99.8 |
| Water (K.F.,ppm) | ≤100 | ≤200 | ≤200 | ≤500 |
| Chroma (Hazen, APHA) | ≤10 | ≤10 | ≤10 | ≤30 |
| 10% solution pH value | 6-9 | 6-9 | 6-9 | 6.5-10 |
| free amine(ppm) | / | / | ≤20 | / |
| total amine (based on MMA, ppm) | ≤15 | ≤20 | ≤30 | / |
| Cl-,PO43-, SO42-(ppm) | ≤0.02 | ≤0.02 | / | / |
| NO3- (ppm) | ≤0.01 | ≤0.01 | / | / |
| Metal ion(ppb) K,Na,Ca,Zn,Mg,Cd,Pb,Cr | ≤10 | ≤20 | / | / |
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