75-05-8 乙腈 Acetonitrile

熔点 

−48 °C(lit.)

沸点 

81-82 °C(lit.)

密度 

0.78 g/cm3 at 20 °C

蒸气密度

1.41 (vs air)

蒸气压

72.8 mm Hg ( 20 °C)

折射率 

n

 1.344(lit.)

闪点 

48 °F

储存条件 

2-8°C

溶解度 

organic solvents: soluble(lit.)

形态

liquid

酸度系数(pKa)

25(at 25℃)

颜色

<10(APHA)

比重

approximate 0.78(20/20℃)

相对极性

0.46

气味 (Odor)

Aromatic ether-like odor detectable at 40 ppm

嗅觉阈值(Odor Threshold)

13ppm

爆炸极限值(explosive limit)

3.0-17%(V)

水溶解性 

miscible

最大波长(λmax)

λ: 195 nm Amax: ≤0.12
λ: 200 nm Amax: ≤0.032
λ: 230 nm Amax: ≤0.0044
λ: 235 nm Amax: ≤0.0044
λ: 250 nm Amax: ≤0.0044
λ: 400 nm Amax: ≤0.0044

Merck 

14,70

BRN 

741857

Henry's Law Constant

7.30 at 5 °C, 8.90 at 10 °C, 11.6 at 15 °C, 14.6 at 20 °C, 17.6 at 25 °C (headspace-GC, Ji and Evans, 2007)

暴露限值

TLV-TWA 70 mg/m3 (40 ppm) (ACGIH and OSHA); STEL 105 mg/m3 (60 ppm) (ACGIH); IDLH 4000 ppm (NIOSH).

稳定性

Stability Unstable. Incompatible with alkali metals, acids, bases, reducing agents and oxidizing agents. Highly flammable.