Terephthalonitrile
Names
[ CAS No. ]:
623-26-7
[ Name ]:
Terephthalonitrile
[Synonym ]:
1,4-Benzenedicarbonitrile
EINECS 210-783-2
MFCD00001810
p-dicyanobenzene
benzene-1,4-dicarbonitrile
1,4-Dicyanobenzene
Benzol-1,4-dicarbonitril
Terephthalonitrile
Chemical & Physical Properties
[ Density]:
1.2±0.1 g/cm3
[ Boiling Point ]:
289.6±23.0 °C at 760 mmHg
[ Melting Point ]:
221-225 °C(lit.)
[ Molecular Formula ]:
C8H4N2
[ Molecular Weight ]:
128.131
[ Flash Point ]:
142.8±16.5 °C
[ Exact Mass ]:
128.037445
[ PSA ]:
47.58000
[ LogP ]:
0.97
[ Vapour Pressure ]:
0.0±0.6 mmHg at 25°C
[ Index of Refraction ]:
1.566
[ Stability ]:
Stable. Incompatible with strong acids, strong bases, strong oxidizing agents, strong reducing agents.
[ Water Solubility ]:
0.08 g/L (23 ºC)
MSDS
Toxicological Information
CHEMICAL IDENTIFICATION
- RTECS NUMBER :
- CZ1925000
- CHEMICAL NAME :
- 1,4-Benzenedicarbonitrile
- CAS REGISTRY NUMBER :
- 623-26-7
- LAST UPDATED :
- 199710
- DATA ITEMS CITED :
- 8
- MOLECULAR FORMULA :
- C8-H4-N2
- MOLECULAR WEIGHT :
- 128.14
- WISWESSER LINE NOTATION :
- NCR DCN
HEALTH HAZARD DATA
ACUTE TOXICITY DATA
- TYPE OF TEST :
- Standard Draize test
- ROUTE OF EXPOSURE :
- Administration into the eye
- SPECIES OBSERVED :
- Rodent - rabbit
- REFERENCE :
- 85JCAE "Prehled Prumyslove Toxikologie; Organicke Latky," Marhold, J., Prague, Czechoslovakia, Avicenum, 1986 Volume(issue)/page/year: -,905,1986 ** ACUTE TOXICITY DATA **
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- >6400 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
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Intraperitoneal
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- 4004 mg/kg
- TOXIC EFFECTS :
- Sense Organs and Special Senses (Eye) - ptosis Behavioral - muscle weakness Lungs, Thorax, or Respiration - acute pulmonary edema
- REFERENCE :
- APFRAD Annales Pharmaceutiques Francaises. (SPPIF, B.P.22, F-41353 Vineuil, France) V.1- 1943- Volume(issue)/page/year: 48,23,1990
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Rodent - mouse
- DOSE/DURATION :
- >300 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
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Intraperitoneal
- SPECIES OBSERVED :
- Rodent - mouse
- DOSE/DURATION :
- 699 mg/kg
- TOXIC EFFECTS :
- Behavioral - somnolence (general depressed activity)
- REFERENCE :
- INHEAO Industrial Health. (National Institute of Industrial Health, 6-21-1 Nagao, Tama-ku, Kawasaki, 213 Japan) V.1- 1963- Volume(issue)/page/year: 4,11,1966
Safety Information
[ Personal Protective Equipment ]:
dust mask type N95 (US);Eyeshields;Gloves
[ Hazard Codes ]:
Xi: Irritant;
[ Risk Phrases ]:
R36/37/38
[ Safety Phrases ]:
S26-S24/25
[ RIDADR ]:
3439
[ WGK Germany ]:
2
[ RTECS ]:
CZ1925000
[ Packaging Group ]:
III
[ Hazard Class ]:
6.1(b)
[ HS Code ]:
29269095
Synthetic Route
Precursor & DownStream
Precursor
DownStream
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%
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