Environmental Engineering Reference
In-Depth Information
Fig. 4.8 Industrial
equipments for the conversion
of KDNE to DNPOH
4.5.1.4 Toxicity
DNPOH has some toxicity and can inhibit the growth of bacteria [
51
].
4.5.2 Properties of 2-Nitroethanol
4.5.2.1 Properties of 2-Nitroethanol
Molecular formula: C
2
H
5
NO
3
H
NO
2
Structure:
H
C
C
OH
H
H
Molecular weight: 91.07
Oxygen balance:
61.5 % (calculated according to the produced CO
2
)
Content of nitrogen: 15.37 %
−
2-Nitroethanol is a pale yellow liquid and miscible in water, with melting point
°
°
°
of
−
80
C, boiling point of 194
C (65 mmHg), density of 1.27 g/ml (25
C),
refractive index (n
2
D
) of 1.445,
F, molar refractive index of
18.87, molar volume (m
3
/mol) of 71.8, isotonic hematocrit (90.2 K) of 187.0,
surface tension (dyne/cm) of 45.9, polarization ratio (10
−
24
cm
3
) of 7.48.
fl
flash point of >230
°
4.5.2.2 Toxicity
2-Nitroethanol is slightly toxic with mice acute poisoning (peritoneum) LD50 of
2,100 mg/kg. Because salt LD50 is 3,000 mg/kg, the acute toxicities of BPA and
salt are the same.
