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HCID 10721Erstellt: 24. Oktober 2026

o-Toluonitril

CNT · 2-METHYLBENZONITRILE · 2-TOLUNITRILE · benzonitrile,2-methyl- · unitriL · o-Tolunitril · O-TOLUNITRILE · o-Tolylnitrile

https://huagongshe.com/de/chemical/10721

Molekülstruktur von o-Toluonitril

Identifikatoren & physikalische Daten

CAS No.25550-22-5
SummenformelC8H7N
Durchschnittliche Molmasse117,15 g/mol
Monoisotopische Masse117,05784922 g/mol
SMILESCc1ccccc1C#N
InChIKeyNWPNXBQSRGKSJB-UHFFFAOYSA-N
PubChem CID10721
ChEMBLCHEMBL1361840
EC No.208-451-7
DTXSIDDTXSID6022050
Lokaler Nameo-Toluonitril

Chemische & physikalische Eigenschaften

XLogP2,2
Polarare Oberfläche (TPSA)23,8
H-Brücken-Donoren0
H-Brücken-Akzeptoren1
Frei drehbare Bindungen0
Schwere Atome9
Formalladung0
Komplexität131
StoffklassenNitrogen Compounds -> Nitriles
SpringerMaterials Properties13C nuclear magnetic resonance spectrum
Dichte0.9955 at 68 °F (NTP, 1992) - Less dense than waterwill float0.989 g/mL at 25 °C(lit.)
Löslichkeitless than 1 mg/mL at 63 °F (NTP, 1992)Chloroform (Slightly), Methanol (Slightly)<0.1 g/100 mL at 17 ºC
Flammpunkt184 °F (NTP, 1992)
Siedepunkt401 °F at 760 mmHg (NTP, 1992)205 °C(lit.)
Schmelzpunkt7.7 °F (NTP, 1992)-13 °C
Physical DescriptionO-tolunitrile is a light blue clear liquid. (NTP, 1992)[Merck Index] Colorless liquid with an almond-like odor[Alfa Aesar MSDS]
Brechungsindexn20/D 1.5279(lit.)
LagerbedingungenStore below +30°C.
AggregatzustandLiquid
FarbeClear colorless to slightly yellow
pH7 (H2O, 20℃)
Explosionsgrenze1.1-6.7%(V)
Merck14,9537
BRN1857417
Henry-Konstante7.6×10-1 mol/(m3Pa) at 25℃, Schüürmann (2000)
Dielektrizitätskonstante18.5
InChI1S/C8H7N/c1-7-4-2-3-5-8(7)6-9/h2-5H,1H3
InChIKeyNWPNXBQSRGKSJB-UHFFFAOYSA-N
SMILESCc1ccccc1C#N
CAS Datenbank529-19-1(CAS DataBase Reference)
NIST chemische InformationenBenzonitrile, 2-methyl-(529-19-1)
EPA chemische Informationeno-Tolunitrile (529-19-1)

Sicherheit & Vorschriften

GHS-EinstufungWarningH315 (100%): Causes skin irritation [Warning Skin corrosion/irritation]P264, P273, P280, P302+P352, P321, P332+P317, P362+P364, and P501 (click each P-code to see the statement)Aggregated GHS information provided per 149 reports by companies from 3 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.
Regulatorische InformationenChemical: Benzonitrile, 2-methyl-2-Tolunitrile: Does not have an individual approval but may be used under an appropriate group standard
DOT-KennzeichnungCorrosive
BrandgefahrenThis chemical is combustible. (NTP, 1992)
GesundheitsgefahrenExcerpt from ERG Guide 154 [Substances - Toxic and/or Corrosive (Non-Combustible)]:
GefahrenübersichtCauses spastic paralysis and convulsions in subcutaneous lethal-dose studies of rabbits[RTECS] A skin and strong eye irritant[Alfa Aesar MSDS] See m-Tolunitrile.
Reaktive GruppeNitriles
Reactivity ProfileNitriles, such as O-TOLUNITRILE, may polymerize in the presence of metals and some metal compounds. They are incompatible with acidsmixing nitriles with strong oxidizing acids can lead to extremely violent reactions. Nitriles are generally incompatible with other oxidizing agents such as peroxides and epoxides. The combination of bases and nitriles can produce hydrogen cyanide. Nitriles are hydrolyzed in both aqueous acid and base to give carboxylic acids (or salts of carboxylic acids). These reactions generate heat. Peroxides convert nitriles to amides. Nitriles can react vigorously with reducing agents. Acetonitrile and propionitrile are soluble in water, but nitriles higher than propionitrile have low aqueous solubility. They are also insoluble in aqueous acids.
Air and Water ReactionsInsoluble in water.
Hazard Classes and CategoriesSkin Irrit. 2 (100%)
BrandbekämpfungFires involving this compound can be controlled using a dry chemical, carbon dioxide or Halon extinguisher. (NTP, 1992)
Erste HilfeEYES: First check the victim for contact lenses and remove if present. Flush victim's eyes with water or normal saline solution for 20 to 30 minutes while simultaneously calling a hospital or poison control center. Do not put any ointments, oils, or medication in the victim's eyes without specific instructions from a physician. IMMEDIATELY transport the victim after flushing eyes to a hospital even if no symptoms (such as redness or irritation) develop.
Freisetung ohne BrandSMALL SPILLS AND LEAKAGE: If you spill this chemical, use absorbent paper to pick up all liquid spill material. Your contaminated clothing and absorbent paper should be sealed in a vapor-tight plastic bag for eventual disposal. Solvent wash all contaminated surfaces with alcohol followed by washing with a strong soap and water solution. Do not reenter the contaminated area until the Safety Officer (or other responsible person) has verified that the area has been properly cleaned.
Isolation and EvacuationExcerpt from ERG Guide 154 [Substances - Toxic and/or Corrosive (Non-Combustible)]:
Personal Protective Equipment (PPE)RECOMMENDED RESPIRATOR: Where the neat test chemical is weighed and diluted, wear a NIOSH-approved half face respirator equipped with an organic vapor/acid gas cartridge (specific for organic vapors, HCl, acid gas and SO2) with a dust/mist filter. (NTP, 1992)
Wassergefährdungsklasse (WGK)2
TSCA-Inventar-StatusTSCA listed
UN-Transportnummer3276
Zollcode29269095
RTECS-Nr.XV0600000
R-Sätze (R)38-52/53-36/37/38
GefahrensymboleXi
Sicherheitshinweise (S)61-37-36-26-24/25
Lagerklasse10 - Combustible liquids
GefahrenklasseAquatic Chronic 3Skin Irrit. 2

Anwendungen & Verwendung

Verwenden

o-Tolyl Cyanide, is a versatile intermediate, used in the synthesis of various pharmaceutical and biologically active compounds. It can be used in the preparation of highly efficient triarylene conjugated dyes for sensitized solar cells