8.14874
2-Methyl-2-butene
(mixture of isomers) for synthesis
别名:
2-Methyl-2-butene, Isoamylene, Trimethylethylene
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关于此项目
经验公式（希尔记法）:
C5H10
化学文摘社编号:
分子量:
70.13
MDL number:
UNSPSC Code:
12352002
EC Index Number:
247-975-0
NACRES:
NA.22
Assay:
83.0-88.0% (GC)
Form:
liquid
SMILES string
C(C)C(=C)C
InChI
1S/C5H10/c1-4-5(2)3/h2,4H2,1,3H3
InChI key
MHNNAWXXUZQSNM-UHFFFAOYSA-N
vapor pressure
513 hPa ( 20 °C)
assay
83.0-88.0% (GC)
form
liquid
autoignition temp.
290 °C
potency
1000-1700 mg/kg LD50, oral (Rat), >2000 mg/kg LD50, skin (Rat)
expl. lim.
1-9 % (v/v)
kinematic viscosity
0.29 cSt(20 °C)
mp
-134 °C
transition temp
flash point -45 °C
density
0.66 g/cm3 at 20 °C
storage temp.
2-8°C
Quality Level
Application
- Palladium-Catalyzed Pentenylation of Indoles: A study demonstrated the use of 2-Methyl-2-butene in palladium-catalyzed intermolecular dehydrogenative pentenylation of indoles, offering a novel pathway in synthetic chemistry for creating complex molecules (Zhang et al., 2024).
- Asynchronous Concerted Mechanism: Research explored an asynchronous concerted mechanism in Lewis acid-mediated carbonyl-olefin [2+2] cycloaddition involving 2-Methyl-2-butene, providing insights into reaction dynamics and stereochemical outcomes in organic synthesis (Li et al., 2023).
Analysis Note
Assay (GC, area%): 83.0 - 88.0 % (a/a)
Density (d 20 °C/ 4 °C): 0.658 - 0.663
2-Methyl-1-buten (GC, area%): 12.0 - 17.0 % (a/a)
Identity (IR): passes test
Density (d 20 °C/ 4 °C): 0.658 - 0.663
2-Methyl-1-buten (GC, area%): 12.0 - 17.0 % (a/a)
Identity (IR): passes test
signalword
Danger
Hazard Classifications
Acute Tox. 4 Oral - Aquatic Chronic 2 - Asp. Tox. 1 - Carc. 2 - Flam. Liq. 1 - Muta. 2 - Skin Irrit. 2 - STOT SE 3
target_organs
Central nervous system
存储类别
3 - Flammable liquids
wgk
WGK 2
flash_point_f
-49.0 °F
flash_point_c
-45 °C
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