| Identification | |
| Name: | Benzenesulfonic acid,4-[2-(4-hydroxy-1-naphthalenyl)diazenyl]-, sodium salt (1:1) |
| Synonyms: | Benzenesulfonicacid, 4-[(4-hydroxy-1-naphthalenyl)azo]-, monosodium salt (9CI);C.I. Acid Orange 20 (7CI);C.I. Acid Orange 20, monosodium salt (8CI);1333 Orange;4-p-Sulfophenylazo-1-naphthol monosodium salt;A.F. Orange No. 1;Acid LeatherOrange I;Sodium 4-[(4-hydroxy-1-naphthyl)diazenyl]benzenesulfonate;4-(4-Hydroxy-1-naphthylazo)benzenesulfonic acid sodium salt;Aizen Orange I;C.I. 14600;Certiqual OrangeI;Dye orange No. 1;Eniacid Orange I;Ext D and COrange No. 3;External D and C Orange Number 3;FD and C Orange 1;FD and COrange No. 1;Hispacid Orange 1;Japan Orange 1;Japan Orange 402;Japan OrangeNo. 402;Java Orange I;Naphthalene Orange I;Naphthol Orange;Neklacid Orange1;Orange 1 sodium salt;Orange 402;Orange I;Orange I Extra Conc. A Export;Orange IM;Orange No. 402;Tertracid Orange I;Tropaeolin 1;Yellow 404;a-NaphtholOrange; |
| CAS: | 523-44-4 |
| EINECS: | 208-346-6 |
| Molecular Formula: | C16H11N2NaO4S |
| Molecular Weight: | 328.34 |
| InChI: | InChI=1/C16H12N2O4S.Na/c19-16-10-9-15(13-3-1-2-4-14(13)16)18-17-11-5-7-12(8-6-11)23(20,21)22;/h1-10,19H,(H,20,21,22);/q;+1/p-1/b18-17+; |
| Molecular Structure: | ![(C16H11N2NaO4S) Benzenesulfonicacid, 4-[(4-hydroxy-1-naphthalenyl)azo]-, monosodium salt (9CI);C.I. Acid Orange 20 (...](https://img.guidechem.com/casimg/523-44-4.gif) |
| Properties | |
| Flash Point: | °C |
| Boiling Point: | °Cat760mmHg |
| Density: | g/cm3 |
| Solubility: | SOL IN WATER TO ORANGE-RED SOLN, IN ALC TO ORANGE SOLN GENERALLY INSOL IN ORGANIC SOLVENTS; SLIGHTLY SOL IN ETHANOL, ACETONE |
| 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 Limited Evidence IMEMDT IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals to Man . 8 (1975),p. 173.(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. |
| Flash Point: | °C |
| Color: | REDDISH-BROWN POWDER |
| Safety Data | |
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