| Identification | |
| Name: | Phenol,4-(2-phenyldiazenyl)- |
| Synonyms: | C.I.Solvent Yellow 7 (7CI,8CI);Phenol, 4-(phenylazo)- (9CI);Phenol, p-phenylazo-(5CI);4-(Phenylazo)phenol;4-(Phenyldiazenyl)phenol;p-Hydroxyazobenzene;p-(Phenylazo)phenol;C.I. 11800;NSC 3177;4-(Phenylhydrazinylidene)cyclohexa-2,5-dien-1-one; |
| CAS: | 1689-82-3 |
| EINECS: | 216-880-6 |
| Molecular Formula: | C12H10N2O |
| Molecular Weight: | 198.2207 |
| InChI: | InChI=1S/C12H10N2O/c15-12-8-6-11(7-9-12)14-13-10-4-2-1-3-5-10/h1-9,15H |
| Molecular Structure: |  |
| Properties | |
| Melting Point: | 150-152 °C(lit.) |
| Flash Point: | 233.646°C |
| Boiling Point: | 369.812°C at 760 mmHg |
| Density: | 1.13g/cm3 |
| Refractive index: | 1.596 |
| Solubility: | INSOL IN WATER; VERY SOL IN ALC & ETHER; SOL IN BENZENE, CONCN SULFURIC ACID & DIL ALKALI (YELLOW) Soluble in acetone, ethanol, benzene and ether In water, 90 mg/l @ 20 deg C |
| Appearance: | Orange columnar solid |
| Specification: |
4-Hydroxyazobenzene ,its CAS NO. is 1689-82-3,the synonyms is 4-Benzeneazophenol ; 4-Phenylazophenol ; Ci no 11800 ; Ci 11800 ; Solvent yellow 7 ; p-Phenylazophenol ; p-Hydroxyazobenzene . |
| Report: |
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 . 8 , 1975,p. 157.(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. |
| HS Code: | 29270000 |
| Flash Point: | 233.646°C |
| Color: | YELLOW LEAVES FROM BENZENE, ORANGE PRISMS FROM ALC |
| Safety Data | |
| Hazard Symbols |
Xi: Irritant
|
 |
|
