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Merck

110930

Sigma-Aldrich

3-甲基-1,2-丁二烯

97%

别名:

1,1-二甲基丙二烯

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About This Item

线性分子式:
(CH3)2C=C=CH2
CAS号:
分子量:
68.12
Beilstein:
1697090
EC號碼:
MDL號碼:
分類程式碼代碼:
12352100
PubChem物質ID:
NACRES:
NA.22

蒸汽壓力

6.87 psi ( 20 °C)

品質等級

化驗

97%

折射率

n20/D 1.419 (lit.)

bp

40-41 °C (lit.)

mp

−148 °C (lit.)

密度

0.694 g/mL at 25 °C (lit.)

儲存溫度

2-8°C

SMILES 字串

CC(C)=C=C

InChI

1S/C5H8/c1-4-5(2)3/h1H2,2-3H3

InChI 密鑰

PAKGDPSCXSUALC-UHFFFAOYSA-N

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應用

3-Methyl-1,2-butadiene (1,1-dimethylallene) has been used to study the photo-induced reaction of 1,1-dimethylallene with the cyanoarenes 1,2,4,5-tetracyanobenzene, 1,4-dicyanobenzene and 1,4-dicyanonaphthalene in the presence of methanol as nucleophile.

訊號詞

Danger

危險分類

Asp. Tox. 1 - Eye Irrit. 2 - Flam. Liq. 2 - Skin Irrit. 2 - STOT SE 3

標靶器官

Respiratory system

儲存類別代碼

3 - Flammable liquids

水污染物質分類(WGK)

WGK 3

閃點(°F)

10.4 °F - closed cup

閃點(°C)

-12 °C - closed cup

個人防護裝備

Eyeshields, Faceshields, Gloves


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分析证书(COA)

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The electron transfer photochemistry of allenes with cyanoarenes. Photochemical nucleophile?olefin combination, aromatic substitution (photo-NOCAS) and related reactions.
Mangion D, et al.
J. Chem. Soc. Perkin Trans. II, 1, 48-60 (2001)
Shaochen Zhang et al.
Science (New York, N.Y.), 364(6435), 45-51 (2019-04-06)
Accessing enantiomerically enriched amines often demands oxidation-state adjustments, protection and deprotection processes, and purification procedures that increase cost and waste, limiting applicability. When diastereomers can be formed, one isomer is attainable. Here, we show that nitriles, largely viewed as insufficiently

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