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HCID 142425作成日:2026年10月25日

1-エチル-4-エチニルベンゼン

1-エチル-4-エチニルベンゼン · 4-エチルフェニルアセチレン · P-エチルエチニルベンゼン · 1-エチニル-4-エチルベンゼン · CH3CH2C6H4C≡CH · 4-Ethylethynylbenzene · 4-Ethylpenylacetylene · p-Ethylethynylbenzene

https://huagongshe.com/ja/chemical/142425

1-エチル-4-エチニルベンゼン の分子構造式

識別子と物理属性

CAS No.40307-11-7
分子式C10H10
平均分子量130.19 g/mol
単同位体質量130.07825032 g/mol
SMILESC#Cc1ccc(CC)cc1
InChIKeyZNTJVJSUNSUMPP-UHFFFAOYSA-N
PubChem CID142425
EC No.609-817-2
DTXSIDDTXSID00193320
現地名1-エチル-4-エチニルベンゼン

化学・物理的性質

XLogP3
極性表面積0
水素結合供与体数0
水素結合受容体数0
回転可能結合数2
重原子数10
形式電荷0
複雑度129
沸点30 °C/0.05 mmHg (lit.)
密度0.930 g/mL at 25 °C (lit.)
屈折率n20/D 1.5420(lit.)
引火点160 °F
貯蔵条件Keep in dark place,Sealed in dry,Room Temperature
外観・状態clear liquid
色Colorless to Light yellow
InChI1S/C10H10/c1-3-9-5-7-10(4-2)8-6-9/h1,5-8H,4H2,2H3
InChIKeyZNTJVJSUNSUMPP-UHFFFAOYSA-N
SMILESCCc1ccc(cc1)C#C
CAS データベース40307-11-7(CAS DataBase Reference)

化学的特性

Yellow liquid

安全性と法規制

GHS 分類WarningH315 (100%): Causes skin irritation [Warning Skin corrosion/irritation]H319 (100%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]H335 (97.6%): May cause respiratory irritation [Warning Specific target organ toxicity, single exposureRespiratory tract irritation]P261, P264, P264+P265, P271, P280, P302+P352, P304+P340, P305+P351+P338, P319, P321, P332+P317, P337+P317, P362+P364, P403+P233, P405, and P501 (click each P-code to see the statement)Aggregated GHS information provided per 42 reports by companies from 5 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.Information may vary between notifications depending on impurities, additives, and other factors. The percentage value in parenthesis indicates the notified classification ratio from companies that provide hazard codes. Only hazard codes with percentage values above 10% are shown. For more detailed information, please visit ECHA C&L website.
Hazard Classes and CategoriesSkin Irrit. 2 (100%)Eye Irrit. 2 (100%)STOT SE 3 (97.6%)
水環境危害等級(WGK)3
輸送番号(UN)UN 3334
税関コード29029090
危険文句(R)36/37/38
消防法危-4-3-III
危険表示Xi
hazard_noteIrritant
安全措置(S)16-26-36-37/39
危険等級9Eye Irrit. 2Skin Irrit. 2STOT SE 3
貯蔵分類10 - Combustible liquids

用途

使用

Intermediates of Liquid Crystals

一般的な説明

1-Ethyl-4-ethynylbenzene undergoes homocoupling reaction in the presence of copper(I) chloride (catalyst) and air (oxidant) to yield symmetrical 1,4-disubstituted 1,3-diyne.