IARC Cancer Review: Group 3 IMEMDT    IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals to Man . 7 ,1987,p. 56.(World Health Organization, Internation Agency for Research on Cancer,Lyon, France.: ) (Single copies can be ordered from WHO Publications Centre U.S.A., 49 Sheridan Avenue, Albany, NY 12210) ; Animal Inadequate Evidence IMEMDT    IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals to Man . 32 ,1983,p. 447.(World Health Organization, Internation Agency for Research on Cancer,Lyon, France.: ) (Single copies can be ordered from WHO Publications Centre U.S.A., 49 Sheridan Avenue, Albany, NY 12210) .

Triphenylene is an organic compound with the formula C₁₈H₁₂, and its systematic name is the same with the product name. With the CAS registry number 217-59-4, it is also named as 9,10-Benzphenanthrene. It belongs to the product categories of Aromatic Hydrocarbons (substituted) & Derivatives; Naphthyridine,Quinoline. Its EINECS number is 205-922-9. In addition, the molecular weight is 228.29. Its classification codes are: (1)Mutation data; (2)Tumor data. It may have uses in optics and electronics. Triphenylene can be isolated from coal tar, but it is also made synthetically using benzyne chemistry, as it is a trimer of benzyne.

Physical properties of Triphenylene are: (1)ACD/LogP: 5.729; (2)# of Rule of 5 Violations: 1; (3)ACD/LogD (pH 5.5): 5.73; (4)ACD/LogD (pH 7.4): 5.73; (5)ACD/BCF (pH 5.5): 13312.29; (6)ACD/BCF (pH 7.4): 13312.29; (7)ACD/KOC (pH 5.5): 31169.38; (8)ACD/KOC (pH 7.4): 31169.38; (9)#H bond acceptors: 0; (10)#H bond donors: 0; (11)#Freely Rotating Bonds: 0; (12)Index of Refraction: 1.771; (13)Molar Refractivity: 79.78 cm³; (14)Molar Volume: 191.781 cm³; (15)Polarizability: 31.627×10^-24cm³; (16)Surface Tension: 53.54 dyne/cm; (17)Density: 1.19 g/cm³; (18)Flash Point: 209.141 °C; (19)Enthalpy of Vaporization: 65.327 kJ/mol; (20)Boiling Point: 424.998 °C at 760 mmHg; (21)Vapour Pressure: 0 mmHg at 25°C.

Preparation: this chemical can be prepared by 1,2,3,4,5,6,7,8,9,10,11,12-dodecahydro-triphenylene at the temperature of 310 °C. This reaction time is 25 hours. This reaction will also need catalyst Pd/C. The yield is about 82%.

Uses of Triphenylene: it can be used to produce triphenylene-2-carbaldehyde at the ambient temperature. It will need reagent TiCl₄ and solvent CH₂Cl₂ with the reaction time of 3 hours. The yield is about 78%.

When you are using this chemical, please be cautious about it as the following:
This chemical has a risk of serious damage to eyes. You should not breathe dust. When using it, you must avoid contact with skin and eyes. In case of contact with eyes, you should rinse immediately with plenty of water and seek medical advice. When using it, you need wear eye/face protection. This material and its container must be disposed of as hazardous waste. You should avoid releasing it to the environment, and you need to refer to special instructions/safety data sheet.

You can still convert the following datas into molecular structure:
(1)SMILES: c1ccc2c(c1)c3ccccc3c4c2cccc4
(2)Std. InChI: InChI=1S/C18H12/c1-2-8-14-13(7-1)15-9-3-4-11-17(15)18-12-6-5-10-16(14)18/h1-12H
(3)Std. InChIKey: SLGBZMMZGDRARJ-UHFFFAOYSA-N