1-Methyl-2-pyrrolidinone

SIAL/328634 - anhydrous, 99.5%

Synonym: 1-Methyl-2-pyrrolidone; N-Methyl-2-pyrrolidone; NMP

CAS Number: 872-50-4
Empirical Formula (Hill Notation): C₅H₉NO
Molecular Weight: 99.13
EC Number: 212-828-1
MDL Number: MFCD00003193
Linear Formula: C₅H₉NO
Product Type: Chemical

Catalog Number	PKG Qty.	Price


45-328634-100ML	100 mL	$105.00 1/EA	Add To Favorites
45-328634-12X100ML	100 mL	$1150.00 12/EA	Add To Favorites
45-328634-1L	1 L	$245.00 1/EA	Add To Favorites
45-328634-6X1L	1 L	$1160.00 6/EA	Add To Favorites
45-328634-2L	2 L	$335.00 1/EA	Add To Favorites
45-328634-4X2L	2 L	$1120.00 4/EA	Add To Favorites
45-328634-18L-P1	18 L	$1940.00 1/EA	Add To Favorites
45-328634-50L-P2	50 L	$0.00 1/EA CALL FOR PRICE	Add To Favorites

Anhydrous, Sureseal

Properties
Descriptions
Safety Info.
Basic Data

assay	99.5%
autoignition temp.	518 °F
bp	202 °C (lit.)
	81-82 °C/10 mmHg (lit.)
density	1.028 g/mL at 25 °C (lit.)
expl. lim.	9.5 %
form	liquid
grade	anhydrous
impurities	<0.005% water
InChI	1S/C5H9NO/c1-6-4-2-3-5(6)7/h2-4H2,1H3
InChI key	SECXISVLQFMRJM-UHFFFAOYSA-N
mp	−24 °C (lit.)
pH	7.7-10.0 (20 °C, 100 g/L)
Quality Level	200
refractive index	n20/D 1.47 (lit.)
SMILES string	CN1CCCC1=O
vapor density	3.4 (vs air)
vapor pressure	0.29 mmHg ( 20 °C)
	0.99 mmHg ( 40 °C)

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.
Legal Information:	Pure-Pac is a registered trademark of Merck KGaA, Darmstadt, Germany
Other Notes:	Pure-Pac^® II containers require the Micromatic MacroValve coupler for dispensing solvents, Z560723.
Packaging:	1, 6×1, 2, 4×2 L in Sure/Seal™
Packaging:	100, 12×100 mL in Sure/Seal™
Packaging:	18 L in Pure-Pac™ 1
Packaging:	50 L in Pure-Pac™ 2
Packaging:	View returnable container options .

Symbol	GHS07,GHS08
Signal word	Danger
Hazard statements	H315 - H319 - H335 - H360FD
Precautionary statements	P202 - P261 - P264 - P302 + P352 - P305 + P351 + P338 - P308 + P313
Hazard Codes	T
Risk Statements	61-36/37/38
Safety Statements	53-45
WGK Germany	WGK 1
Flash Point(F)	195.8 °F - Pensky-Martens c
Flash Point(C)	91 °C - Pensky-Martens clos

Purity	99.5%
bp	202 °C (lit.); 81-82 °C/10 mmHg (lit.)
mp	−24 °C (lit.)
Density	1.028 g/mL at 25 °C (lit.)
Refractive Index	n20/D 1.47 (lit.)
UNSPSC	12352005

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