Orange 1 sodium

CAS: 523-44-4

Ref. 04-C15734990

Product Information

• Name: Orange 1 sodium
• Synonyms: Benzenesulfonic acid, 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 Leather Orange I, Acid Orange 20, Acid Orange I, Aizen Orange I, C.I. 14600, Certiqual Orange I, Dye orange No. 1, Eniacid Orange I, Ext D & C Orange 3, Ext D and C Orange No. 3, External D and C Orange Number 3, FD and C Orange 1, FD and C Orange No. 1, Hispacid Orange 1, Japan Orange 1, Japan Orange 402, Japan Orange No. 402, Java Orange I, Naphthalene Orange I, Naphthol Orange, Neklacid Orange 1, Orange 1 sodium salt, Orange 402, Orange I, Orange I Extra Conc. A Export, Orange IM, Orange No. 402, Tertracid Orange I, Tropaeolin 1, Tropaeolin OOO 1, Yellow 404, a-Naphthol Orange, Benzenesulfonic acid, 4-[(4-hydroxy-1-naphthalenyl)azo]-, monosodium salt, Benzenesulfonic acid, 4-[2-(4-hydroxy-1-naphthalenyl)diazenyl]-, sodium salt (1:1), Ext D & C Orange 3, alpha-Naphthol orange, sodium 4-[(2E)-2-(4-oxonaphthalen-1(4H)-ylidene)hydrazinyl]benzenesulfonate, sodium 4-[(E)-(4-hydroxynaphthalen-1-yl)diazenyl]benzenesulfonate, α-Naphthol Orange, C.I. Acid Orange 20, monosodium salt (8CI), C.I. Acid Orange 20, monosodium salt, C.I. 14600, C.I. 150, C.I. Acid Orange 20 monosodium salt, C.I. Acid Orange 20, monosodium salt, C.I. Acid Orange 20
• Brand: Doctor Ehrenstorfer

Chemical properties

• Molecular weight: 350.32
• Formula: C₁₆H₁₁N₂O₄S·Na
• Color/Form: Neat
• InChI: /q, /h1-10,19H,(H,20,21,22), +1/p-1, InChI=1S/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
• SMILES: O=S(=O)([O-])c1ccc(N=Nc2ccc(O)c3ccccc23)cc1.[Na+]