Product Name: Perylene (CAS NO.198-55-0)
IUPAC Name: perylene

Molecular Formula: C₂₀H₁₂
Molecular Weight: 252.31
EINECS: 205-900-9
Melting point:  276-279 °C(lit.)
Storage temp.:  2-8°C
Water Solubility:  Insoluble
Merck:  14,7184
BRN:  1911335
Index of Refraction: 1.887 
Molar Refractivity: 90.3 cm³ 
Molar Volume: 196 cm³ 
Surface Tension: 63.4 dyne/cm 
Density: 1.286 g/cm³ 
Flash Point: 228.6 °C 
Enthalpy of Vaporization: 70.16 kJ/mol 
Boiling Point: 467.5 °C at 760 mmHg 
Vapour Pressure: 1.81E-08 mmHg at 25°C
Product Categories: Miscellaneous; Electronic Chemicals; Electroluminescence; Functional Materials; Highly Purified Reagents; Other Categories; Refined Products by Sublimation; Derivatization agentsVolatiles/ Semivolatiles; Alpha Sort; Biochemicals and Reagents; Luminescent Compounds/Detection; P; PER - POLA; P-SAlphabetic

 Perylene (CAS NO.198-55-0) is usually used in intermediates of organic synthesis material,light spot materials and  light-battery Materials.

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. 411.(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) . Reported in EPA TSCA Inventory. EPA Genetic Toxicology Program.

Questionable carcinogen. Mutation data reported. When heated to decomposition it emits acrid smoke and irritating fumes.
Hazard Codes:  Xn,T
Risk Statements:  40-63-43-36/37/38-23/24/25-45 
R40:Limited evidence of a carcinogenic effect. 
R63:Possible risk of harm to the unborn child. 
R43:May cause sensitization by skin contact. 
R36/37/38:Irritating to eyes, respiratory system and skin. 
R23/24/25:Toxic by inhalation, in contact with skin and if swallowed. 
R45:May cause cancer.
Safety Statements:  22-24/25-45-36/37-23-53 
S22:Do not breathe dust. 
S24/25:Avoid contact with skin and eyes. 
S45:In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) 
S36/37:Wear suitable protective clothing and gloves. 
S23:Do not breathe vapour. 
S53:Avoid exposure - obtain special instructions before use.
RIDADR:  2811
WGK Germany:  3
HazardClass:  6.1(b)
PackingGroup:  III
HS Code:  29029080

 Perylene , its CAS NO. is 198-55-0, the synonyms are CCRIS 1231 ; Dibenz(de,kl)anthracene ; HSDB 6767 ; NSC 6512 ; alpha-Perylene ; peri-Dinaphthalene . Perylene is a polycyclic aromatic hydrocarbon, occurring as a brown solid .