NMP

Product Name

1-Methyl-2-pyrrolidinone, biotech. grade, ≥99.7%

grade

biotech. grade

Quality Level

100

vapor density

3.4 (vs air)

vapor pressure

0.29 mmHg ( 20 °C)
0.99 mmHg ( 40 °C)

Assay

≥99.7%

form

liquid

autoignition temp.

518 °F

expl. lim.

9.5 %

impurities

≤0.005% water
≤0.01% free amines (CH₃NH₂)

color

APHA: ≤20

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.)

solubility

acetone: miscible(lit.)
alcohol: miscible(lit.)
chloroform: miscible(lit.)
ethyl acetate: miscible(lit.)
water: miscible(lit.)

density

1.028 g/mL at 25 °C (lit.)

λ

H₂O reference

UV absorption

λ: 285 nm A_max: 1.00
λ: 300 nm A_max: 0.50
λ: 325 nm A_max: 0.10
λ: 350-400 nm A_max: 0.01

application(s)

peptide synthesis

SMILES string

CN1CCCC1=O

InChI

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

InChI key

SECXISVLQFMRJM-UHFFFAOYSA-N