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HCID 142425Erstellt: 24. Oktober 2026

1-Ethyl-4-ethynylbenzene

CH3CH2C6H4C≡CH · 4-Ethylethynylbenzene · 4-Ethylpenylacetylene · p-Ethylethynylbenzene · 4-ETHYLPHENYLACETYLENE · P-ETHYLPHENYLACETYLENE · 1-ETHYL-4-ETHYNYL-BENZENE · 4-Ethylphenylacetylene97%

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

Molekülstruktur von 1-Ethyl-4-ethynylbenzene

Identifikatoren & physikalische Daten

CAS No.40307-11-7
SummenformelC10H10
Durchschnittliche Molmasse130,19 g/mol
Monoisotopische Masse130,07825032 g/mol
SMILESC#Cc1ccc(CC)cc1
InChIKeyZNTJVJSUNSUMPP-UHFFFAOYSA-N
PubChem CID142425
EC No.609-817-2
DTXSIDDTXSID00193320

Chemische & physikalische Eigenschaften

XLogP3
Polarare Oberfläche (TPSA)0
H-Brücken-Donoren0
H-Brücken-Akzeptoren0
Frei drehbare Bindungen2
Schwere Atome10
Formalladung0
Komplexität129
Siedepunkt30 °C/0.05 mmHg (lit.)
Dichte0.930 g/mL at 25 °C (lit.)
Brechungsindexn20/D 1.5420(lit.)
Flammpunkt160 °F
LagerbedingungenKeep in dark place,Sealed in dry,Room Temperature
Aggregatzustandclear liquid
FarbeColorless 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 Datenbank40307-11-7(CAS DataBase Reference)

Sicherheit & Vorschriften

GHS-EinstufungWarningH315 (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%)
Wassergefährdungsklasse (WGK)3
UN-TransportnummerUN 3334
Zollcode29029090
R-Sätze (R)36/37/38
GefahrensymboleXi
hazard_noteIrritant
Sicherheitshinweise (S)16-26-36-37/39
Gefahrenklasse9Eye Irrit. 2Skin Irrit. 2STOT SE 3
Lagerklasse10 - Combustible liquids

Anwendungen & Verwendung

Verwenden

Intermediates of Liquid Crystals