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Merck

111848

Sigma-Aldrich

反式-β-甲基苯乙烯

99%

别名:

反-β-甲基苯乙烯, 反式丙烯苯

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About This Item

线性分子式:
C6H5CH=CHCH3
CAS号:
分子量:
118.18
Beilstein:
1361672
EC號碼:
MDL號碼:
分類程式碼代碼:
12352100
PubChem物質ID:
NACRES:
NA.22

化驗

99%

包含

20 ppm 3,5-di-tert-butylcatechol as inhibitor

折射率

n20/D 1.550 (lit.)

bp

175 °C (lit.)

密度

0.911 g/mL at 25 °C (lit.)

儲存溫度

2-8°C

SMILES 字串

C\C=C\c1ccccc1

InChI

1S/C9H10/c1-2-6-9-7-4-3-5-8-9/h2-8H,1H3/b6-2+

InChI 密鑰

QROGIFZRVHSFLM-QHHAFSJGSA-N

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一般說明

该产品在较高温度下存在潜在放热危害

應用

反式-β-甲基苯乙烯用于 Povarov 反应的乙二酸类似物制备外色满
反式-β-甲基苯乙烯用于氧化剂溶液与二氯甲烷溶液的环氧化反应,其中镍用作催化剂,苄基三丁基溴化铵用作相转移剂

訊號詞

Danger

危險分類

Asp. Tox. 1 - Eye Dam. 1 - Flam. Liq. 3 - Resp. Sens. 1 - 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 2

閃點(°F)

125.6 °F - closed cup

閃點(°C)

52 °C - closed cup

個人防護裝備

Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter


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An oxa analogue of the well-known Povarov reaction has been developed for the synthesis of 3,4-dihydrobenzopyrans (chromans). The reaction involves the formal inverse electron demand [4 + 2] cycloaddition reaction of in situ-generated cationic aryl 2-oxadiene oxocarbenium ions with alkenes.
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