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蒸汽密度
3.04 (vs air)
质量水平
蒸汽压
1.5 mmHg ( 20 °C)
等级
puriss. p.a.
方案
≥99.5% (GC)
≥99.5%
自燃温度
824 °F
expl. lim.
10 %
杂质
≤0.2% water
折射率
n20/D 1.393 (lit.)
n20/D 1.393
沸点
153-154 °C (lit.)
mp
−47 °C (lit.)
密度
0.95 g/mL at 25 °C (lit.)
痕量阳离子
Al: ≤0.5 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: ≤2 mg/kg
Ni: ≤0.02 mg/kg
Pb: ≤0.1 mg/kg
Sr: ≤0.1 mg/kg
Zn: ≤0.1 mg/kg
官能团
carboxylic acid
SMILES字符串
CC(C)C(O)=O
InChI
1S/C4H8O2/c1-3(2)4(5)6/h3H,1-2H3,(H,5,6)
InChI key
KQNPFQTWMSNSAP-UHFFFAOYSA-N
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一般描述
异丁酸可以通过丙烯的羰基化制备。
应用
异丁酸可用于在合适的杂多酸作为催化剂存在下,通过氧化脱氢合成甲基丙烯酸。
警示用语:
Danger
危险分类
Acute Tox. 3 Dermal - Acute Tox. 4 Oral - Eye Dam. 1 - Flam. Liq. 3 - Skin Corr. 1B
储存分类代码
3 - Flammable liquids
WGK
WGK 1
闪点(°F)
131.0 °F - closed cup
闪点(°C)
55 °C - closed cup
法规信息
危险化学品
"Acidic cesium salts of molybdovanadophosphoric acids as efficient catalysts for oxidative dehydrogenation of isobutyric acid"
Lee YK, et al.
Catalysis Today, 33(1-3), 183-189 (1997)
Ritu Lal et al.
The Journal of pharmacology and experimental therapeutics, 330(3), 911-921 (2009-06-09)
Baclofen is a racemic GABA(B) receptor agonist that has a number of significant pharmacokinetic limitations, including a narrow window of absorption in the upper small intestine and rapid clearance from the blood. Arbaclofen placarbil is a novel transported prodrug of
E M Faed et al.
Clinical and experimental pharmacology & physiology, 5(2), 195-198 (1978-03-01)
1. Two main conjugates of CPIB (2-[chlorophenoxy]-2-methylpropionic acid) are present in the urine of subjects taking clofibrate. The metabolites can be separated by thin-layer chromatography (TLC). 2. Both conjugates are hydrolysed by dilute alkali, but only one is hydrolysed by
A Vyalikh et al.
Physical chemistry chemical physics : PCCP, 9(18), 2249-2257 (2007-05-10)
Solid state deuterium NMR has been used to study the molecular motion of d(6)-isobutyric acid (d(6)-iBA) in the pure (unconfined) state and confined in the cylindrical pores of two periodic mesoporous silica materials (MCM-41, pore size 3.3 nm and SBA-15
Julia Biermann et al.
Molecular vision, 17, 395-403 (2011-02-12)
Histone deacetylase inhibitors (HDACi) have neuroprotective effects under various neurodegenerative conditions, e.g., after optic nerve crush (ONC). HDACi-mediated protection of central neurons by increased histone acetylation has not previously been demonstrated in rat retinal ganglion cells (RGCs), although epigenetic changes
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