蒸汽密度
2.9 (vs air)
蒸汽压
7.9 mmHg ( 20 °C)
表单
liquid
自燃温度
590 °F
包含
copper sulfate as stabilizer
折射率
n20/D 1.439 (lit.)
沸点
69-70 °C/100 mmHg (lit.)
密度
1.09 g/mL at 25 °C (lit.)
储存温度
2-8°C
SMILES字符串
C=C1CC(=O)O1
InChI
1S/C4H4O2/c1-3-2-4(5)6-3/h1-2H2
InChI key
WASQWSOJHCZDFK-UHFFFAOYSA-N
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应用
用于乙酰乙酸衍生物和杂环化合物的简易制备。
警示用语：
Danger
危险声明
危险分类
Acute Tox. 3 Inhalation - Acute Tox. 4 Oral - Flam. Liq. 3
储存分类代码
3 - Flammable liquids
WGK
WGK 1
闪点(°F)
93.2 °F - closed cup
闪点(°C)
34 °C - closed cup
个人防护装备
Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter
法规信息
新产品
此项目有
A Jonas et al.
Biochemistry, 24(14), 3508-3513 (1985-07-02)
Discoidal complexes of human apolipoprotein A-I-egg phosphatidylcholine-cholesterol were prepared by the sodium cholate dialysis procedure and were reacted to varying extents with the amino group reagents citraconic anhydride, diketene, and formaldehyde in the presence of sodium borohydride. Modification of positive
Dan Peng et al.
Bioorganic & medicinal chemistry, 18(23), 8235-8242 (2010-11-03)
A series of bisaryldiketene derivatives were designed and synthesized as a new class of specific G-quadruplex ligands. The ligand-quadruplex interactions were further evaluated by FRET, ITC, and PCR stop assay. In contrast to most of the G-quadruplex ligands reported so
Identification of essential amino acid residues in clostridium histolyticum collagenase using chemical modification reactions.
M D Bond et al.
Biochemical and biophysical research communications, 102(1), 243-249 (1981-09-16)
S Breda et al.
The journal of physical chemistry. A, 116(9), 2131-2140 (2012-01-26)
Diketene (C(4)H(4)O(2)) monomers were isolated in cryogenic Ar (15 K) and Xe (30 K) matrices. The infrared (IR) spectra of the freshly deposited matrices show that diketene monomers exclusively adopt the 4-methylene-oxetan-2-one form. In situ photochemical transformations of diketene were
Nazariy T Pokhodylo et al.
Journal of combinatorial chemistry, 11(3), 481-485 (2009-04-23)
A convenient synthetic protocol was elaborated for creation of combinatorial libraries of 1-(R(1)-phenyl)-5-methyl-N-R(2)-1H-1,2,3-triazole-4-carboxamides. As starting materials, commercially available or readily prepared azides, amines, and diketene were selected for the reaction which has proceeded in a one-pot system with high yields
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