2,5-Difluoroterephthalonitrile

Modify Date: 2025-08-25 22:14:15

2,5-Difluoroterephthalonitrile Structure
2,5-Difluoroterephthalonitrile structure
 Common Name 2,5-Difluoroterephthalonitrile
CAS Number 1897-49-0 Molecular Weight 164.112
Density 1.4±0.1 g/cm3 Boiling Point 271.0±40.0 °C at 760 mmHg
Molecular Formula C8H2F2N2 Melting Point N/A
MSDS N/A Flash Point 117.7±27.3 °C

 Names

Name 2,5-difluorobenzene-1,4-dicarbonitrile
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.4±0.1 g/cm3
Boiling Point 271.0±40.0 °C at 760 mmHg
Molecular Formula C8H2F2N2
Molecular Weight 164.112
Flash Point 117.7±27.3 °C
Exact Mass 164.018600
PSA 47.58000
LogP 0.26
Vapour Pressure 0.0±0.6 mmHg at 25°C
Index of Refraction 1.515

 Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
CZ1941000
CHEMICAL NAME :
1,4-Benzenedicarbonitrile, 2,5-difluoro-
CAS REGISTRY NUMBER :
1897-49-0
LAST UPDATED :
199007
DATA ITEMS CITED :
1
MOLECULAR FORMULA :
C8-H2-F2-N2
MOLECULAR WEIGHT :
164.12
WISWESSER LINE NOTATION :
NCR BF EF DCN

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
56 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
JMCMAR Journal of Medicinal Chemistry. (American Chemical Soc., Distribution Office Dept. 223, POB POB 57136, West End Stn., Washington, DC 20037) V.6- 1963- Volume(issue)/page/year: 21,906,1978

 Synonyms

2,5-Difluoroterephthalonitrile
1,4-Benzenedicarbonitrile,2,5-difluoro
2,5-Difluoro-1,4-benzenedicarbonitrile
1,4-Benzenedicarbonitrile, 2,5-difluoro-
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