CAS NO:633-96-5

EC NO:211-199-0

Molecular Formula:C₁₆H₁₁N₂O₄SNa

Molecular Weight:350.3243

Synonyms:;C.I. 15510;C.I. Acid Orange 7;C.I. Acid Orange 7, monosodium salt;D & C Orange no. 4;Orange II sodium salt;4-(2-Hydroxy-1-naphthylazo)benzenesulfonic acid sodium salt;Sodium 4-[(2-hydroxy-1-naphthyl)azo]benzenesulphonate;Orange Ⅱ;Acid Orange II Lake;Pigment Orange 17 (15510:1);sodium 4-[(2E)-2-(2-oxonaphthalen-1(2H)-ylidene)hydrazino]benzenesulfonate;sodium 4-[(E)-(2-hydroxynaphthalen-1-yl)diazenyl]benzenesulfonate;

Molecular Structure:

CAS NO:3068-39-1

EC NO:221-326-1

Molecular Formula:C₂₆H₂₈ClN₂O₄

Molecular Weight:467.96452

Synonyms:;Xanthylium, 3,6-bis(ethylamino)-9-(2-(methoxycarbonyl)phenyl)-2,7-dimethyl-, chloride (1:1);3,6-Bis(ethylamino)-9-(2-(methoxycarbonyl)phenyl)-2,7-dimethylxanthylium chloride;Xanthylium, 3,6-bis(ethylamino)-9-(2-(methoxycarbonyl)phenyl)-2,7-dimethyl-, chloride;methyl 2-[2,8-bis(ethylamino)-3,7-dimethyl-pyrano[6,5-b]chromen-10-ium-5-yl]benzoate chloride;

Molecular Structure: