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HCID 619909Erstellt: 23. Oktober 2026

2,2'-Dibromo-1,1'-binaphthyl

2,2'-Dibromo-1,1'-binaphthalene · SKL192 · JACS-74866-28-7 · Binaphthalene dibromide · 2,2'-diboromo-binaphthyl · 2,2`-DibroMo-1,1`-Binaphtyl · 1,1'-Bi(2-bromonaphthalene) · 2,2'-Dibromo-1,1'-binapthyl

https://huagongshe.com/de/chemical/619909

Molekülstruktur von 2,2'-Dibromo-1,1'-binaphthyl

Identifikatoren & physikalische Daten

CAS No.74866-28-7
SummenformelC20H12Br2
Durchschnittliche Molmasse412,1 g/mol
Monoisotopische Masse409,93058 g/mol
SMILESBrc1ccc2ccccc2c1-c1c(Br)ccc2ccccc12
InChIKeyIJUDEFZBMMRSNM-UHFFFAOYSA-N
PubChem CID619909
EC No.626-733-1
DTXSIDDTXSID60347302

Chemische & physikalische Eigenschaften

XLogP7,4
Polarare Oberfläche (TPSA)0
H-Brücken-Donoren0
H-Brücken-Akzeptoren0
Frei drehbare Bindungen1
Schwere Atome22
Formalladung0
Komplexität346
Schmelzpunkt178-183 °C
Siedepunkt178-183°C
Dichte1.614±0.06 g/cm3(Predicted)
Flammpunkt178-183°C
LagerbedingungenSealed in dry,Room Temperature
Löslichkeitsoluble in TolueneSparingly Soluble in water.
AggregatzustandPowder
Farbewhite to off-white
InChI1S/C20H12Br2/c21-17-11-9-13-5-1-3-7-15(13)19(17)20-16-8-4-2-6-14(16)10-12-18(20)22/h1-12H
InChIKeyIJUDEFZBMMRSNM-UHFFFAOYSA-N
SMILESBrc1ccc2ccccc2c1-c3c(Br)ccc4ccccc34
CAS Datenbank74866-28-7(CAS DataBase Reference)

Sicherheit & Vorschriften

GHS-EinstufungWarningH302 (88.6%): Harmful if swallowed [Warning Acute toxicity, oral]H315 (11.4%): Causes skin irritation [Warning Skin corrosion/irritation]H319 (11.4%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]H413 (88.6%): May cause long lasting harmful effects to aquatic life [Hazardous to the aquatic environment, long-term hazard]P264, P264+P265, P270, P273, P280, P301+P317, P302+P352, P305+P351+P338, P321, P330, P332+P317, P337+P317, P362+P364, and P501 (click each P-code to see the statement)Aggregated GHS information provided per 44 reports by companies from 3 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 CategoriesAcute Tox. 4 (88.6%)Skin Irrit. 2 (11.4%)Eye Irrit. 2 (11.4%)Aquatic Chronic 4 (88.6%)
Wassergefährdungsklasse (WGK)3
Zollcode2903.99.8001
R-Sätze (R)36/37/38-22
GefahrensymboleXn
Sicherheitshinweise (S)26-36/37/39
Lagerklasse11 - Combustible Solids
GefahrenklasseAcute Tox. 4 OralAquatic Chronic 4

Anwendungen & Verwendung

Verwenden

The synthesis of this class of compounds relies on the lithiation of racemic 2,2'-dibromo-1,1'-binaphthyl with t-BuLi followed by addition of Ph 2 PCl.