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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


历史批次信息供参考:

分析证书(COA)

Lot/Batch Number

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Slide 1 of 2

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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

Global Trade Item Number

货号GTIN
M48805-100ML4061834059271
M48805-500ML
W270709-1KG
W270709-20KG
W270709-8KG-K4061837516160
W270709-SAMPLE-K4061838180889
W270733-SAMPLE
M48805-5ML4061834059288
67397-1ML4061832735559
W270709-1KG-K4061838249067
W270709-20KG-K4061838180865
W270709-800G-K
W270709-8KG
W270709-SAMPLE
W270733-100G
W270733-100G-K4061838180896
W270733-1KG
W270733-1KG-K4061838180902
W270733-SAMPLE-K4061838180926
W270733-25G
W270733-25G-K4061838180919
110930-250MG
110930-1G4061838134677

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