5850-56-6

Basic information

• Product Name: Portofino Blue ES
• Synonyms: 4,5-Dihydroxy-3-[[4-(dimethylamino)phenyl]azo]-2,7-naphthalenedisulfonic acid disodium salt;Azo Acid Blue 3B;C.I. 16595;C.I.16595;C.I.Acid Blue 4;Portofino Blue ES
• CAS NO: 5850-56-6
• Molecular Formula: C18H17N3O8S2.2Na
• Molecular Weight: 0
• Mol File: 5850-56-6.mol
• Article Data: 0

Chemical Properties

• Appearance: /
• CAS DataBase Reference: Portofino Blue ES(CAS DataBase Reference)
• NIST Chemistry Reference: Portofino Blue ES(5850-56-6)
• EPA Substance Registry System: Portofino Blue ES(5850-56-6)

Safety Data

• Hazardous Substances Data: 5850-56-6(Hazardous Substances Data)

Usage

Description

Portofino Blue ES is a high-quality pigment that exhibits excellent properties such as light fastness, soaping, perspiration fastness, oxygen bleaching, and fastness to seawater. It is characterized by its red light blue color and is suitable for various applications across different industries.

Uses

Used in Textile Industry:
Portofino Blue ES is used as a pigment for dyeing and printing textiles. Its excellent light fastness and fastness to seawater make it ideal for outdoor and marine applications, ensuring that the color remains vibrant and resistant to fading.
Used in Plastics Industry:
Portofino Blue ES is used as a colorant in the plastics industry to provide a vibrant red light blue color to various plastic products. Its high performance properties, such as resistance to fading and staining, make it suitable for use in outdoor and high-wear applications.
Used in Paints and Coatings Industry:
Portofino Blue ES is used as a pigment in the formulation of paints and coatings, providing a durable and long-lasting red light blue color. Its excellent properties, such as resistance to fading, staining, and fastness to seawater, make it ideal for use in marine and outdoor applications.
Used in Cosmetics Industry:
Portofino Blue ES is used as a colorant in the cosmetics industry to provide a vibrant red light blue shade to various cosmetic products. Its high performance properties, such as resistance to fading and staining, make it suitable for use in long-lasting and high-quality cosmetic formulations.
Overall, Portofino Blue ES is a versatile pigment with a wide range of applications across different industries, thanks to its excellent properties and vibrant red light blue color.

Preparation

(a) N1,N1-dimethylbenzene-1,4-diamine diazo, coupled with 4,5-Dihydroxynaphthalene-2,7-disulfonic acid; (b) will C.I.Acid Violet 3 (C.I. 16580) for two methylated amino.

Standard

Light Fastness

Fading

Stain

ISO

2

InChI:InChI=1/C18H17N3O8S2.2Na/c1-21(2)12-5-3-11(4-6-12)19-20-17-15(31(27,28)29)8-10-7-13(30(24,25)26)9-14(22)16(10)18(17)23;;/h3-9,22-23H,1-2H3,(H,24,25,26)(H,27,28,29);;/q;2*+1/p-2