Solvent Yellow 16
[CAS# 4314-14-1]

Identification

• Classification: Dyes and pigments >> Dyes >> Solvent dye
• Name: Solvent Yellow 16
• Synonyms: C.I. 12700; 2,4-Dihydro-5-methyl-2-phenyl-4-(phenylazo)-3H-pyrazol-3-one); 1-Phenyl-3-methyl-4-phenylazo-5-pyrazolone; 3-Methyl-1-phenyl-4-(phenylazo)-pyrazol-5-ol; 4-Phenylazo-1-phenyl-3-methyl-5-pyrazolone
• Molecular Formula: C₁₆H₁₄N₄O
• Molecular Weight: 278.31
• CAS Registry Number: 4314-14-1
• EC Number: 224-330-1

Properties

• Density: 1.23
• Melting point: 155 ºC

Safety Data

Hazard Classification

Hazard	Class	Category Code	Hazard Statement
Acute toxicity	Acute Tox.	4	H302
Chronic hazardous to the aquatic environment	Aquatic Chronic	3	H412