N,N-二甲基甲酰胺

产品名称

N,N-二甲基甲酰胺, puriss. p.a., ACS reagent, reag. Ph. Eur., ≥99.8% (GC)

InChI key

ZMXDDKWLCZADIW-UHFFFAOYSA-N

InChI

1S/C3H7NO/c1-4(2)3-5/h3H,1-2H3

SMILES string

[H]C(=O)N(C)C

grade

ACS reagent
puriss. p.a.

agency

reag. Ph. Eur.

vapor density

2.5 (vs air)

vapor pressure

2.7 mmHg ( 20 °C)

assay

≥99.8% (GC)

form

liquid

autoignition temp.

833 °F

expl. lim.

15.2 %

technique(s)

GC/GC: suitable

impurities

≤0.003% free acid (as CH₃COOH)
≤0.005% free alkali (as NH₃)
≤0.005% non-volatile matter
≤0.1% water (Karl Fischer)

color

APHA: ≤15

refractive index

n20/D 1.4290-1.4310
n20/D 1.430 (lit.)

pH

7 (20 °C, 200 g/L)

bp

152-154 °C
153 °C (lit.)

mp

−61 °C (lit.)

density

0.948-0.950 g/mL at 20 °C
0.944 g/mL (lit.)

cation traces

Al: ≤0.5 mg/kg
B: ≤0.02 mg/kg
Ba: ≤0.1 mg/kg
Bi: ≤0.1 mg/kg
Ca: ≤0.5 mg/kg
Cd: ≤0.05 mg/kg
Co: ≤0.02 mg/kg
Cr: ≤0.02 mg/kg
Cu: ≤0.02 mg/kg
Fe: ≤0.1 mg/kg
K: ≤0.5 mg/kg
Li: ≥0.1 mg/kg
Mg: ≤0.1 mg/kg
Mn: ≤0.02 mg/kg
Mo: ≤0.1 mg/kg
Na: ≤1 mg/kg
Ni: ≤0.02 mg/kg
Pb: ≤0.1 mg/kg
Sn: ≤0.1 mg/kg
Sr: ≤0.1 mg/kg
Zn: ≤0.1 mg/kg

Quality Level

200