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Home/Compounds/Dye & Pigment/Acid Yellow 199
C19H15N4NaO6S
450.4 g/mol
Dye & Pigment

Acid Yellow 199

CAS70865-20-2EC274-950-1
Category
Dye & Pigment
Compound Class
Organic Acid
Primary Use
acid dye for textiles

Acid Yellow 199 is a synthetic azo dye used primarily as an acid dye for textile applications. It is characterized by an anionic sulfonate group and a nitro-substituted aromatic structure, typically supplied as a sodium salt.

dyeing wool and silk fiberscoloring nylon textiles

Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.

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Related Compounds

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Direct dye for textile coloring

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Identifiers
IUPAC Name

sodium 4-[4-[(4-hydroxy-2-methylphenyl)diazenyl]anilino]-3-nitrobenzenesulfonate

InChIKey

JXRBVOFBCVPZOV-UHFFFAOYSA-M

SMILES

CC1=C(C=CC(=C1)O)N=NC2=CC=C(C=C2)NC3=C(C=C(C=C3)S(=O)(=O)[O-])[N+](=O)[O-].[Na+]

Synonyms (18)
  • Acid Yellow 199
  • Best Acid Yellow A 4R
  • C.I. Acid Yellow 199
  • Daedo Acid Yellow A 4R
  • Nylosan Yellow E 4RL
  • Rifa Acid Fast Yellow E 4R
  • Sellacid Orange PF
  • Telon Yellow 4R
  • Triacid Fast Yellow 4RL