Surfactants - Anionic Available to Source

D&c Orange#4

CAS 633-96-5 · MF C16H11N2NaO4S · MW 350.3 g/mol

Synthetic dye used for cosmetics and drug applications like lipsticks and blush.

SDS / TDS Download
CAS Number
633-96-5
Molecular Formula
C16H11N2NaO4S
Molecular Weight
350.3 g/mol
Material Family
Surfactants - Anionic
Functional Roles
Physical Properties
physical_description
Orange-brown solid; [Merck Index] Dark red powder; [Sigma-Aldrich MSDS]
Chemical Identity
CAS Number633-96-5
IUPAC Namesodium 4-[(2-hydroxynaphthalen-1-yl)diazenyl]benzenesulfonate
InChI KeyCQPFMGBJSMSXLP-UHFFFAOYSA-M
PubChem CID 135442941
INCI NameCI 15510
Synonyms & Trade Names
Orange II C.I. Acid Orange 7 2-naphthol orange ORANGE 4 DC ORANGE NO. 4 DTXCID8018881 4-((2-Hydroxy-1-naphthalenyl)azo)benzenesulfonic acid monosodium salt beta-naphthol orange AO-7 dye RefChem:917796 C.I. ACID ORANGE Acid orange 7 Acid Orange A Acid Orange Orange II sodium salt
Full Description

Synthetic dye used for cosmetics and drug applications like lipsticks and blush.