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Sigma-Aldrich 328434 NMP anhydrous, 99.5% CAS No.: 872-50-4 2.5 L
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LB.SA.328434-2.5L
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Synonym(s): 1-Methyl-2-pyrrolidone, N-Methyl-2-pyrrolidone, NMP Empirical Formula (Hill Notation): C5H9NO CAS Number: 872-50-4 Molecular Weight: 99.13 NACRES: NA.21 PubChem Substance ID: 57648684 UNSPSC Code: 12352005 EC Number: 212-828-1 MDL number: MFCD00003193 Beilstein/REAXYS Number: 106420 Assay: 99.5% Grade: anhydrous Bp: 202 °C (lit.), 81-82 °C/10 mmHg (lit.) Vapor pressure: 0.29 mmHg ( 20 °C), 0.99 mmHg ( 40 °C)
| Sigma-Aldrich 328434 NMP anhydrous, 99.5% CAS No.: 872-50-4 2.5 L |
| Synonym(s): 1-Methyl-2-pyrrolidone, N-Methyl-2-pyrrolidone, NMP Empirical Formula (Hill Notation): C5H9NO CAS Number: 872-50-4 Molecular Weight: 99.13 NACRES: NA.21 PubChem Substance ID: 57648684 UNSPSC Code: 12352005 EC Number: 212-828-1 MDL number: MFCD00003193 Beilstein/REAXYS Number: 106420 Assay: 99.5% Grade: anhydrous Bp: 202 °C (lit.), 81-82 °C/10 mmHg (lit.) Vapor pressure: 0.29 mmHg ( 20 °C), 0.99 mmHg ( 40 °C) |
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PROPERTIES
Product Name 1-Methyl-2-pyrrolidinone, anhydrous, 99.5%
grade anhydrous Quality Segment 200 vapor density 3.4 (vs air) vapor pressure 0.29 mmHg ( 20 °C), 0.99 mmHg ( 40 °C) assay 99.5% form liquid autoignition temp. 518 °F expl. lim. 9.5 % impurities <0.005% water refractive index n20/D 1.47 (lit.) pH 7.7-10.0 (20 °C, 100 g/L) bp 202 °C (lit.), 81-82 °C/10 mmHg (lit.) mp −24 °C (lit.) density 1.028 g/mL at 25 °C (lit.) SMILES string CN1CCCC1=O InChI 1S/C5H9NO/c1-6-4-2-3-5(6)7/h2-4H2,1H3 InChI key SECXISVLQFMRJM-UHFFFAOYSA-N DESCRIPTION Application 1-Methyl-2-pyrrolidinone may be used as a solvent in the following processes: - Preparation of 2-aryl and 2-alkyl benzothiazoles. Ullmann coupling reaction of aryl halides and phenols to form - Ullmann ethers in the presence of 2,2,6,6-tetramethylheptane-3,5-dione - Stille cross-coupling reaction of aryl iodides with organostannanes catalyzed by Pd/C in the presence of copper iodide as cocatalyst Packaging View returnable container options. Other Notes Pure-Pac® II containers require the Micromatic MacroValve coupler for dispensing solvents, Z560723. Legal Information Pure-Pac is a registered trademark of Merck KGaA, Darmstadt, Germany |
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