133035
2-甲基丙烯醛
95%
别名:
异丁烯醛
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关于此项目
线性分子式:
H2C=C(CH3)CHO
化学文摘社编号:
分子量:
70.09
UNSPSC Code:
12352100
NACRES:
NA.22
PubChem Substance ID:
EC Number:
201-150-1
Beilstein/REAXYS Number:
1209258
MDL number:
Assay:
95%
Form:
liquid
InChI key
STNJBCKSHOAVAJ-UHFFFAOYSA-N
InChI
1S/C4H6O/c1-4(2)3-5/h3H,1H2,2H3
SMILES string
[H]C(=O)C(C)=C
vapor density
2.4 (vs air)
vapor pressure
121 mmHg ( 20 °C), 13.44 psi ( 55 °C), 5.35 psi ( 20 °C)
assay
95%
form
liquid
refractive index
n20/D 1.416 (lit.)
bp
68-70 °C (lit.)
mp
−81 °C (lit.)
density
0.85 g/mL at 25 °C (lit.)
functional group
aldehyde
storage temp.
2-8°C
Quality Level
General description
甲基丙烯醛在300℃下在杂多酸催化剂（主要是 12-钼磷酸）催化下氧化生成甲基丙烯酸 。它是异戊二烯氧化的主要产物 。
Application
甲基丙烯醛用于研究烃氧化产物和萜烯氧化产物甲基丙烯醛对人眨眼频率的影响，影响水平在十亿分之几。它还用于测定氯原子与丙烯醛、甲基丙烯醛和甲基乙烯基酮反应的速率常数和产物 。
signalword
Danger
Hazard Classifications
Acute Tox. 2 Inhalation - Acute Tox. 3 Dermal - Acute Tox. 3 Oral - Aquatic Acute 1 - Aquatic Chronic 1 - Eye Dam. 1 - Flam. Liq. 2 - Muta. 2 - Skin Corr. 1B
存储类别
3 - Flammable liquids
wgk
WGK 3
flash_point_f
5.0 °F - closed cup
flash_point_c
-15 °C - closed cup
ppe
Faceshields, Gloves, Goggles, type ABEK (EN14387) respirator filter
法规信息
危险化学品
此项目有
S T Larsen et al.
Toxicology letters, 114(1-3), 197-202 (2000-03-14)
The acute respiratory effects of airborne exposure to methacrolein were studied in a recent refinement of the standard test method with mice (ASTM, 1984. American Society for Testing and Materials, Philadelphia). Irritation of the upper respiratory tract caused a concentration-dependent
Catalysis by heteropoly compounds: IV. Oxidation of methacrolein to methacrylic acid over 12-molybdophosphoric acid.
Konishi Y, et al.
J. Catal., 77(1), 169-179 (1982)
Michael N Paddon-Row et al.
The Journal of organic chemistry, 74(2), 861-868 (2008-12-11)
The cationic oxazaborolidine-catalyzed Diels-Alder reactions of butadiene and a series of five dienophiles have been studied using density functional theory (B3LYP/6-31G(d)). In each case, the computational results successfully reproduce the experimentally observed sense of stereoinduction and enantiomeric ratio. The computed
John D Crounse et al.
The journal of physical chemistry. A, 116(24), 5756-5762 (2012-03-29)
Peroxy radicals formed by addition of OH and O(2) to the olefinic carbon atoms in methacrolein react with NO to form methacrolein hydroxy nitrate and hydroxyacetone. We observe that the ratio of these two compounds, however, unexpectedly decreases as the
Denise Biagini et al.
Talanta, 200, 145-155 (2019-05-01)
When working with humid gaseous samples, the amount of water vapour collected in a needle trap along with volatile analytes may vary from sample to sample and decrease during the storage. This has a major impact on desorption efficiency and
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