Product Name

  • Name

    [4,4'-Bi-7H-benz[de]anthracene]-7,7'-dione

  • EINECS
  • CAS No. 116-90-5
  • Density 1.373g/cm3
  • Solubility
  • Melting Point
  • Formula C34H18 O2
  • Boiling Point 712.2°Cat760mmHg
  • Molecular Weight 458.516
  • Flash Point 252.5°C
  • Transport Information
  • Appearance
  • Safety Moderately toxic by intraperitoneal route. A severe eye irritant. When heated to decomposition it emits acrid smoke and irritating fumes.
  • Risk Codes
  • Molecular Structure Molecular Structure of 116-90-5 ([4,4'-Bi-7H-benz[de]anthracene]-7,7'-dione)
  • Hazard Symbols
  • Synonyms 7H-Benz[de]anthracene,bimol. deriv.; 4,4'-Bibenzanthrone; 4,4'-Bibenzanthronyl; 4,4'-Dibenzanthronyl;Benzanthronyl; Dibenzonyl; NSC 13989
  • PSA 34.14000
  • LogP 8.08280

4,4′-Dibenzanthronil Chemical Properties

Molecular Structure of 4,4′-Dibenzanthronil (CAS NO. 116-90-5):

IUPAC Name:  4-(7-oxobenzo[a]phenalen-4-yl)benzo[a]phenalen-7-one
Empirical Formula:  C34H18O2 
Molecular Weight:  458.5055 
Index of Refraction:  1.793 
Surface Tension:  67.2 dyne/cm 
Density:  1.373 g/cm3 
Flash Point:  252.5 °C 
Enthalpy of Vaporization:  104.12 kJ/mol 
Boiling Point:  712.2 °C at 760 mmHg 
Vapour Pressure:  3.95E-20 mmHg at 25°C
Classification Code:  Drug / Therapeutic Agent;Skin / Eye Irritant

4,4′-Dibenzanthronil Toxicity Data With Reference

1.    

eye-rbt 500 mg/24H SEV

     28ZPAK    Sbornik Vysledku Toxixologickeho Vysetreni Latek A Pripravku Marhold, J.V.,Institut Pro Vychovu Vedoucicn Pracovniku Chemickeho Prumyclu Praha,Czechoslovakia.: 1972,60.
2.    

ipr-rat LD50:2400 mg/kg

     RPTOAN    Russian Pharmacology and Toxicology. Translation of FATOAO. 40 (1977),137.
3.    

ipr-mus LD50:1100 mg/kg

     RPTOAN    Russian Pharmacology and Toxicology. Translation of FATOAO. 40 (1977),137.

4,4′-Dibenzanthronil Consensus Reports

Reported in EPA TSCA Inventory.

4,4′-Dibenzanthronil Safety Profile

Moderately toxic by intraperitoneal route. A severe eye irritant. When heated to decomposition it emits acrid smoke and irritating fumes.

4,4′-Dibenzanthronil Specification

 4,4′-Dibenzanthronil , its CAS number is 116-90-5, it can be called Benzanthronyl ; Dibenzonyl ; (4,4'-Bi-7H-benz(de)anthracene)-7,7'-dione .

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