items |
specification |
appearance |
clear liquid |
purity |
≥99.90% |
moisture |
≤0.05% |
color apha |
≤20 |
density |
1.032-1.035 |
refractivity |
1.466-1.472 |
methylamine |
≤0.005% |
butyrolactone |
≤0.05% |
other impurities |
≤0.10% |
items |
specification |
appearance |
clear liquid |
purity |
99.80% min |
moisture |
0.05% max |
color apha |
25 max |
density |
1.029-1.035 |
refractivity |
1.466-1.472 |
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n-methyl-2-pyrrolidinone basic information |
n-methyl-2-pyrrolidinone chemical properties |
mp | −24 °c(lit.) |
bp | 202 °c(lit.) |
density | 1.028 g/ml at 25 °c(lit.) |
vapor density | 3.4 (vs air) |
vapor pressure | 0.29 mm hg ( 20 °c) |
refractive index |
n |
fp | 187 °f |
storage temp. | 2-8°c |
color | ≤20(apha) |
water solubility | >=10 g/100 ml at 20 ºc |
sensitive | hygroscopic |
merck | 14,6117 |
brn | 106420 |
stability: | stable, but decomposes upon exposure to light. combustible. incompatible with strong oxidizing agents, strong acids, reducing agents, bases. |
cas database reference | 872-50-4(cas database reference) |
nist chemistry reference | 2-pyrrolidinone, 1-methyl-(872-50-4) |
epa substance registry system |
2-pyrrolidinone, 1-methyl-(872-50-4) |