5979-28-2

Basic information

• Product Name: Pigment Yellow 16
• Synonyms: Pigment Yellow 16;N,N'-(3,3'-dimethyl[1,1'-biphenyl]-4,4'-diyl)bis[2-[(2,4-dichlorophenyl)azo]-3-oxobutyramide];CI 20040;Butanamide, N,N-(3,3-dimethyl1,1-biphenyl-4,4-diyl)bis2-(2,4-dichlorophenyl)azo-3-oxo-;NSC521238;CIPIGMENTYELLOW16;N,N'-(3,3'-Dimethyl-1,1'-biphenyl-4,4'-diyl)bis[2-[(2,4-dichlorophenyl)azo]-3-oxobutanamide];Helio Fast Yellow FPV
• CAS NO: 5979-28-2
• Molecular Formula: C34H28Cl4N6O4
• Molecular Weight: 726.43592
• EINECS: 227-783-3
• Product Categories: Organics
• Mol File: 5979-28-2.mol
• Article Data: 0

Chemical Properties

• Boiling Point: 811.8 °C at 760 mmHg
• Flash Point: 444.8 °C
• Appearance: /
• Density: 1.4 g/cm³
• Vapor Pressure: 2.04E-26mmHg at 25°C
• Refractive Index: 1.651
• PKA: -0.31±0.59(Predicted)
• CAS DataBase Reference: Pigment Yellow 16(CAS DataBase Reference)
• NIST Chemistry Reference: Pigment Yellow 16(5979-28-2)
• EPA Substance Registry System: Pigment Yellow 16(5979-28-2)

Safety Data

• Hazardous Substances Data: 5979-28-2(Hazardous Substances Data)

Usage

General Description

Pigment Yellow 16, also known as Naphthol Yellow S, is a synthetic organic compound falling under the category of azo pigments. This bright yellow dye is often used in manufacturing inks, paints, plastics, textiles and rubber. The key components in its production include H-acid (8-Amino-1-naphthol-3,6-disulfonic acid) and Peanut Hull Extract. Pigment Yellow 16 is prized for its strong color strength, high heat stability, good lightfastness and superior migration resistance, making it versatile and durable in varied applications. Despite this, like many azo dyes, it has sparked environmental and health concerns due to its potential toxicity and carcinogenic properties.

InChI:InChI=1/C34H28Cl4N6O4/c1-17-13-21(5-9-27(17)39-33(47)31(19(3)45)43-41-29-11-7-23(35)15-25(29)37)22-6-10-28(18(2)14-22)40-34(48)32(20(4)46)44-42-30-12-8-24(36)16-26(30)38/h5-16,31-32H,1-4H3,(H,39,47)(H,40,48)