Zurück
HuagongsheHuagongshe Chemie-Druckbericht · Nur für Forschungszwecke
HCID 88935Erstellt: 26. Oktober 2026

2,3-Difluorbenzonitril

BUTTPARK 87\01-74 · 2,3-Difluorobenzonit · 2,3-fluorobenzonitrile · ,3-Difluorobenzonitrile · 2,3-DIFLUOROBENZONITRILE · 2,3-Difluorobenzonitrile2 · Benzonitrile, 2,3-difluoro- · 2,3-Difluorobenzonitrile98%

https://huagongshe.com/de/chemical/88935

Molekülstruktur von 2,3-Difluorbenzonitril

Identifikatoren & physikalische Daten

CAS No.21524-39-0
SummenformelC7H3F2N
Durchschnittliche Molmasse139,1 g/mol
Monoisotopische Masse139,02335542 g/mol
SMILESN#Cc1cccc(F)c1F
InChIKeyGKPHNZYMLJPYJJ-UHFFFAOYSA-N
PubChem CID88935
EC No.244-418-3
DTXSIDDTXSID40175862
Lokaler Name2,3-Difluorbenzonitril

Chemische & physikalische Eigenschaften

XLogP1,8
Polarare Oberfläche (TPSA)23,8
H-Brücken-Donoren0
H-Brücken-Akzeptoren3
Frei drehbare Bindungen0
Schwere Atome10
Formalladung0
Komplexität160
Siedepunkt189 °C
Dichte1.254 g/mL at 25 °C (lit.)
Brechungsindexn20/D 1.4882(lit.)
Flammpunkt167 °F
LagerbedingungenSealed in dry,Room Temperature
Aggregatzustandclear liquid
FarbeColorless to Light orange to Yellow
Wichte1.254
BRN2085621
InChI1S/C7H3F2N/c8-6-3-1-2-5(4-10)7(6)9/h1-3H
InChIKeyGKPHNZYMLJPYJJ-UHFFFAOYSA-N
SMILESFc1cccc(C#N)c1F
CAS Datenbank21524-39-0(CAS DataBase Reference)

Sicherheit & Vorschriften

GHS-EinstufungWarningH302 (95.9%): Harmful if swallowed [Warning Acute toxicity, oral]H312 (95.9%): Harmful in contact with skin [Warning Acute toxicity, dermal]H315 (100%): Causes skin irritation [Warning Skin corrosion/irritation]H319 (98%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]H332 (95.9%): Harmful if inhaled [Warning Acute toxicity, inhalation]H335 (93.9%): May cause respiratory irritation [Warning Specific target organ toxicity, single exposureRespiratory tract irritation]P261, P264, P264+P265, P270, P271, P280, P301+P317, P302+P352, P304+P340, P305+P351+P338, P317, P319, P321, P330, P332+P317, P337+P317, P362+P364, P403+P233, P405, and P501 (click each P-code to see the statement)Aggregated GHS information provided per 49 reports by companies from 9 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 (95.9%)Skin Irrit. 2 (100%)Eye Irrit. 2 (98%)STOT SE 3 (93.9%)
Wassergefährdungsklasse (WGK)3
UN-Transportnummer3276
Zollcode29269090
R-Sätze (R)20/21/22-36/37/38
GefahrensymboleXn,T,Xi
hazard_noteToxic
Sicherheitshinweise (S)26-36/37/39-36/37
Gefahrenklasse6.1Acute Tox. 4 DermalAcute Tox. 4 InhalationAcute Tox. 4 OralEye Irrit. 2Skin Irrit. 2STOT SE 3
VerpackungsgruppeIII
Lagerklasse10 - Combustible liquids

Anwendungen & Verwendung

Verwenden

2,3-Difluorobenzonitrile has been used in the preparation of difluorophenyl-1,2,3,5-dithiadiazolyl and cyanophenoxazines.