538191
丁醛
≥99.0%, dry
别名:
正丁醛
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关于此项目
线性分子式:
CH3CH2CH2CHO
化学文摘社编号:
分子量:
72.11
UNSPSC Code:
12352114
NACRES:
NA.21
PubChem Substance ID:
EC Number:
204-646-6
Beilstein/REAXYS Number:
506061
MDL number:
Assay:
≥99.0%
Bp:
75 °C (lit.)
Vapor pressure:
90 mmHg ( 20 °C)
产品名称
丁醛, ≥99.0%, dry
InChI key
ZTQSAGDEMFDKMZ-UHFFFAOYSA-N
InChI
1S/C4H8O/c1-2-3-4-5/h4H,2-3H2,1H3
SMILES string
[H]C(=O)CCC
vapor density
2.5 (vs air)
vapor pressure
90 mmHg ( 20 °C)
assay
≥99.0%
autoignition temp.
390 °F
expl. lim.
12.5 %
impurities
≤0.30% (water)
refractive index
n20/D 1.380 (lit.)
bp
75 °C (lit.)
mp
−96 °C (lit.)
solubility
water: soluble 50 g/L at 20 °C
density
0.8 g/mL at 25 °C (lit.)
Quality Level
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Application
丁醛（正丁醛）可用于，在钾离子交换X沸石（Pd/KXW）和钾离子添加X沸石（Pd/KXU）上负载的四氨基氯化钯（II）存在下，通过氢化作用制备2-乙基己醛（2EH）。
General description
丁醛（n-丁醛）是一种脂肪族醛，可在锌催化剂存在下，由丁醇脱氢合成。是制备聚乙烯醇缩丁醛的重要前体。已经描述了丁醛在气相中的热解机理。丁醛与聚乙烯醇缩合反应的动力学研究表明，丁醛具有阻滞作用。
signalword
Danger
hcodes
Hazard Classifications
Eye Irrit. 2 - Flam. Liq. 2
存储类别
3 - Flammable liquids
wgk
WGK 1
flash_point_f
<50.0 °F - Pensky-Martens closed cup
flash_point_c
< 10 °C - Pensky-Martens closed cup
法规信息
危险化学品
此项目有
Retardation effect in acetalization of poly (vinyl alcohol) with butyraldehyde.
Rumyantsev M, et al.
Eur. Polymer J., 49(6), 1698-1706 (2013)
Highly selective Pd/KX catalysts for low-pressure one-step synthesis of 2-ethylhexanal from n-butyraldehyde and hydrogen.
Ko AN, et al.
Catalysis Letters, 54(4), 207-210 (1998)
Thermal decomposition products of butyraldehyde.
Hatten CD, et al.
J. Chem. Phys. , 139(21), 214303-214303 (2013)
Kinetic studies on dehydrogenation of butanol to butyraldehyde using zinc oxide as catalyst.
Raizada VK, et al.
Journal of Chemical Technology and Biotechnology, 56(3), 265-270 (1993)
Daniel Norberg et al.
Journal of computational chemistry, 29(3), 392-406 (2007-07-04)
The stepwise and concerted pathways for the McLafferty rearrangement of the radical cations of butanal (Bu(+)) and 3-fluorobutanal (3F-Bu(+)) are investigated with density functional theory (DFT) and ab initio methods in conjunction with the 6-311+G(d,p) basis set. A concerted transition
实验方案
-Tolualdehyde; Valeraldehyde; Isovaleraldehyde
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