NMP

产品名称

1-甲基-2-吡咯烷酮, puriss. p.a., ≥99.0% (GC)

InChI key

SECXISVLQFMRJM-UHFFFAOYSA-N

InChI

1S/C5H9NO/c1-6-4-2-3-5(6)7/h2-4H2,1H3

SMILES string

CN1CCCC1=O

vapor density

3.4 (vs air)

vapor pressure

0.29 mmHg ( 20 °C), 0.99 mmHg ( 40 °C)

grade

puriss. p.a.

assay

≥99.0% (GC)

form

liquid

autoignition temp.

518 °F

expl. lim.

9.5 %

technique(s)

GC/GC: suitable

impurities

≤0.1% water

refractive index

n20/D 1.47 (lit.), n20/D 1.470

pH

7.7-8

bp

202 °C (lit.), 81-82 °C/10 mmHg (lit.)

mp

−24 °C (lit.)

density

1.028 g/mL at 25 °C (lit.)

cation traces

Ca: ≤5 mg/kg, Cd: ≤1 mg/kg, Co: ≤1 mg/kg, Cr: ≤1 mg/kg, Cu: ≤1 mg/kg, Fe: ≤1 mg/kg, K: ≤20 mg/kg, Mg: ≤1 mg/kg, Mn: ≤1 mg/kg, Na: ≤20 mg/kg, Ni: ≤1 mg/kg, Pb: ≤1 mg/kg, Zn: ≤1 mg/kg

Quality Level

100