Acid Yellow 99

Basic Information

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CAS Number

10343-58-5

Molecular Formula

C16H13CrN4NaO8S

Molecular Weight

496.3 g/mol

Chemical Classification

Basic Chemical Raw Materials Organic Chemicals Carboxylic Acids

Fine Chemicals Dyes and Pigments Organic Dyes

Fine Chemicals Surfactants Anionic Surfactants

Basic Physical Properties

SMILES

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CC(=C(C(=O)NC1=CC=CC=C1)N=NC2=C(C(=CC(=C2)[N+](=O)[O-])S(=O)(=O)[O-])O)O.[Na+].[Cr]

InChI

InChI=1S/C16H14N4O8S.Cr.Na/c1-9(21)14(16(23)17-10-5-3-2-4-6-10)19-18-12-7-11(20(24)25)8-13(15(12)22)29(26,27)28;;/h2-8,21-22H,1H3,(H,17,23)(H,26,27,28);;/q;;+1/p-1/b14-9-,19-18?;;

InChIKey

BFWYEBUNFYVNAT-NMLNKKTNSA-M

LogP

4.39340

Complexity

766

Synonyms & References

English

Acid Yellow 99
AKOS015903888
Acid Yellow 99 (C.I. 13900)
sodium;3-[[(Z)-1-anilino-3-hydroxy-1-oxobut-2-en-2-yl]diazenyl]-2-hydroxy-5-nitrobenzenesulfonate;chromium
MFCD08461053
10343-58-5
C.I. 13900
acid yellow 99 (C.I. 13900)
Acid Yellow 99 (13900)
abcol yellow gr
AcidcomplexyellowGR
AcidcomplexyellowGRN
C.I.1390
C.I.Acidyellow99
Pigment Yellow 95
Yellow GR
Sodium hydroxy[2-hydroxy-5-nitro-3-[[2-oxo-1-(phenylcarbamoyl)propyl]azo]benzenesulphonato(3-)]chromate(1-)
Acid complex yellow GRN
C.I. Acid yellow 99

MDL Number

MFCD08461053

FAQ

What are the physical and chemical properties of Acid Yellow 99 (CAS: 10343-58-5)?

Acid Yellow 99 (CAS: 10343-58-5) is a crystalline compound with a molecular weight of approximately 660.64 g/mol. It is sparingly soluble in water but highly soluble in common organic solvents like ethanol and acetone. Chemically, it exhibits good lightfastness and is used in various applications requiring vibrant yellow color. This compound is stable under normal conditions but may react with strong bases or reducing agents.

How is Acid Yellow 99 (CAS: 10343-58-5) typically synthesized?

Acid Yellow 99 (CAS: 10343-58-5) is synthesized via condensation of a substituted anthraquinone derivative with a diazonium salt. The reaction is typically catalyzed by acid or base, and the process yields a compound with excellent color stability and brilliance. The method involves careful control of pH and temperature to achieve high selectivity and yield.

What industries use Acid Yellow 99 (CAS: 10343-58-5)?

Acid Yellow 99 (CAS: 10343-58-5) is widely used in the textile, paper, and plastics industries due to its vibrant yellow color. It is also employed in the food industry as a colorant, though it must comply with regulatory standards. Additionally, it is used in printing inks and as a pigment in coatings and paints.

What precautions should be taken when handling Acid Yellow 99 (CAS: 10343-58-5)?

When handling Acid Yellow 99 (CAS: 10343-58-5), it is essential to wear appropriate personal protective equipment (PPE), including gloves, goggles, and a lab coat. Work in a well-ventilated area or under a fume hood to minimize exposure. Spills should be cleaned up using suitable absorbents, and the area should be thoroughly washed down. Always consult the Safety Data Sheet (SDS) for specific handling instructions and emergency procedures.