2,3-Dimethylbenzonitrile

Modify Date: 2025-08-26 11:32:15

2,3-Dimethylbenzonitrile Structure
2,3-Dimethylbenzonitrile structure
 Common Name 2,3-Dimethylbenzonitrile
CAS Number 5724-56-1 Molecular Weight 131.174
Density 1.0±0.1 g/cm3 Boiling Point 241.7±9.0 °C at 760 mmHg
Molecular Formula C9H9N Melting Point 23-25°C
MSDS N/A Flash Point 99.9±11.2 °C

 Names

Name 2,3-Dimethylbenzonitrile
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.0±0.1 g/cm3
Boiling Point 241.7±9.0 °C at 760 mmHg
Melting Point 23-25°C
Molecular Formula C9H9N
Molecular Weight 131.174
Flash Point 99.9±11.2 °C
Exact Mass 131.073502
PSA 23.79000
LogP 2.58
Vapour Pressure 0.0±0.5 mmHg at 25°C
Index of Refraction 1.526

 Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
DI4357600
CHEMICAL NAME :
Benzonitrile, 2,3-dimethyl-
CAS REGISTRY NUMBER :
5724-56-1
BEILSTEIN REFERENCE NO. :
1932620
LAST UPDATED :
199612
DATA ITEMS CITED :
2
MOLECULAR FORMULA :
C9-H9-N

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
3 gm/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
ZAARAM Zentralblatt fuer Arbeitsmedizin und Arbeitsschutz. (Darmstadt, Fed. Rep. Ger.) V.1-25, 1951-75. Volume(issue)/page/year: 19,225,1969
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intraperitoneal
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
1700 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
ZAARAM Zentralblatt fuer Arbeitsmedizin und Arbeitsschutz. (Darmstadt, Fed. Rep. Ger.) V.1-25, 1951-75. Volume(issue)/page/year: 19,225,1969

 Safety Information

Hazard Codes Xi
Risk Phrases R20/21/22
Safety Phrases S23-S36/37/39
RIDADR 3276
RTECS DI4357600
HS Code 2926909090

 Customs

HS Code 2926909090
Summary HS:2926909090 other nitrile-function compounds VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:30.0%

 Synonyms

Benzonitrile, 2,3-dimethyl-
3-CYANO-O-XYLENE
2,3-dimethyl-benzonitrile
2,3-dimethyl-benzonitril
EINECS 227-229-0
dimethyl benzonitrile
2,3-Dimethylbenzonitrile
MFCD00019744
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