蒸汽密度
3.5 (vs air)
质量水平
蒸汽压
15.7 mmHg
检测方案
≥99%
形式
liquid
自燃温度
840 °F
expl. lim.
1.2-8 %, 93 °F
杂质
≤0.1000% (water)
折射率
n20/D 1.395 (lit.)
bp
117-118 °C
mp
−80 °C (lit.)
溶解性
water: soluble 20 g/L
密度
0.801 g/mL at 25 °C (lit.)
SMILES字符串
CC(C)CC(C)=O
InChI
1S/C6H12O/c1-5(2)4-6(3)7/h5H,4H2,1-3H3
InChI key
NTIZESTWPVYFNL-UHFFFAOYSA-N
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一般描述
4-Methyl-2-pentanone (Methyl isobutyl ketone, MIBK), an aliphatic ketone, is commonly used as an organic solvent. It is generally used as an extractant in atomic absorption spectrometry. Preparation of MIBK using 2-propanol as the precursor has been reported with yield as high as 25%. The rate constant for the reaction between OH radical and MIBK was found to be 1.40 ± 0.07×1011cm3molecule-1s-1. The kinetics and mechanism of photochemical reaction of MIBK in n-hexane solution has been studied. The microwave spectrum of MIBK has been recorded to obtain its rotational constants and centrifugal distortion constants.
应用
4-Methyl-2-pentanone may be used to prepare (R)-(-)-4-methyl-2-pentanol via asymmetric hydrogenation in the presence of silica-supported starch-polysulfosiloxane-platinum complex (SiO2-ST-Si-S-Pt).
警示用语：
Danger
危险分类
Acute Tox. 4 Inhalation - Carc. 2 Inhalation - Eye Irrit. 2 - Flam. Liq. 2 - STOT SE 3
靶器官
Central nervous system
补充剂危害
WGK
WGK 1
法规信息
危险化学品
Ketone physics-structure, conformations, and dynamics of methyl isobutyl ketone explored by microwave spectroscopy and quantum chemical calculations.
Zhao Y, et al.
Chemical Physics Letters, 545, 9-13 (2012)
3-heptanone vs. 4-methyl-2-pentanone as extracting solvents in atomic absorption spectrophotometry.
Everson RJ and Parker HE.
Analytical Chemistry, 46(13), 2040-2042 (1974)
Temperature dependence of 4-methyl-2-pentanone photochemistry.
Encina MV, et al.
Journal of Photochemistry, 4(1), 75-89 (1975)
Catalytic behaviors of silica-supported starch-polysulfosiloxane-Pt complexes in asymmetric hydrogenation of 4-methyl-2-pentanone.
Huang K, et al.
Reactive functional Polymers, 50(3), 199-203 (2002)
Relative rate constant measurements for the gas-phase reactions of hydroxyl radicals with 4-methyl-2-pentanone, trans-4-octene and trans-2-heptene
O'rji LN and Stone DA.
International Journal of Chemical Kinetics, 24(8), 703-710 (1992)
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