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Basic Information
CAS No.: 4388-07-2
Name: 4,4'-Dimethyl-1,1'-biphenyl-2,2',5,5'-tetraone
Molecular Structure:
Molecular Structure of 4388-07-2 (4,4'-Dimethyl-1,1'-biphenyl-2,2',5,5'-tetraone)
Formula: C14H10O4
Molecular Weight: 242.231
Synonyms: 4,4'-Dimethyl-biphenyl-2,5,2',5'-dichinon;5,5'-dimethyl-2,2'-bis-p-benzoquinone;Ditolyldichinon;4,4'-dimethylbiphenyl-2,5,2',5'-diquinone;
Density: 1.363g/cm3
Boiling Point: 326.2°Cat760mmHg
Flash Point: 136.5°C
Safety: A poison by intraperitoneal route. When heated to decomposition it emits acrid smoke and irritating vapors.
PSA: 68.28000
LogP: 1.03540
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Chemistry

Molecular structure of 5,5'-Bi-p-toluquinone (CAS NO.4388-07-2) is:

Product Name: 5,5'-Bi-p-toluquinone
CAS Registry Number: 4388-07-2
IUPAC Name: 2-methyl-5-(4-methyl-3,6-dioxocyclohexa-1,4-dien-1-yl)cyclohexa-2,5-diene-1,4-dione
Molecular Weight: 242.2268 [g/mol]
Molecular Formula: C14H10O4
XLogP3-AA: 0.5
H-Bond Donor: 0
H-Bond Acceptor: 4
Surface Tension: 56.8 dyne/cm
Density: 1.363 g/cm3
Flash Point: 136.5 °C
Enthalpy of Vaporization: 56.83 kJ/mol
Boiling Point: 326.2 °C at 760 mmHg
Vapour Pressure: 0.00022 mmHg at 25°C 

Toxicity Data With Reference

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
mouse LDLo intraperitoneal 125mg/kg (125mg/kg)   "Summary Tables of Biological Tests," National Research Council Chemical-Biological Coordination Center. Vol. 6, Pg. 217, 1954.

Safety Profile

A poison by intraperitoneal route. When heated to decomposition it emits acrid smoke and irritating vapors.

Specification

 5,5'-Bi-p-toluquinone , its cas register number is 4388-07-2. It also can be called 3-07-00-04758 (Beilstein Handbook Reference) ; BRN 2455300 ; NSC 11851 ; (Bi-1,4-cyclohexadien-1-yl)-3,3',6,6'-tetrone, 4,4'-dimethyl- (8CI)(9CI) .