2052-25-7

Basic information

• Product Name: Mordant Black 9
• Synonyms: Sodium 3-((1,5-dihydroxy-2-naphthyl)azo)-4-hydroxybenzenesulphonate;MORDANT BLACK 9;C.I. 16500;Acid mordant Black 9;Chrome Black PLW(70:100);Benzenesulfonic acid, 3-(1,5-dihydroxy-2-naphthalenyl)azo-4-hydroxy-, monosodium salt;Mordant black 9 (C.I. 16500);Black PV
• CAS NO: 2052-25-7
• Molecular Formula: C16H11N2NaO6S
• Molecular Weight: 382.32311
• EINECS: 218-145-5
• Mol File: 2052-25-7.mol
• Article Data: 0

Chemical Properties

• Appearance: /
• Density: 1.54[at 20℃]
• Vapor Pressure: 0Pa at 20℃
• PKA: 0.69[at 20 ℃]
• Water Solubility: 48g/L at 20℃
• CAS DataBase Reference: Mordant Black 9(CAS DataBase Reference)
• NIST Chemistry Reference: Mordant Black 9(2052-25-7)
• EPA Substance Registry System: Mordant Black 9(2052-25-7)

Safety Data

• Hazardous Substances Data: 2052-25-7(Hazardous Substances Data)

Usage

Preparation

3-Amino-4-hydroxybenzenesulfonic acid diazotization, and Naphthalene-1,5-diol coupling.

Flammability and Explosibility

Nonflammable

Properties and Applications

black. Soluble in water for bordeaux red, right amount soluble in ethanol and Cellosolve (for product red), slightly soluble in Acetone. In concentrated sulfuric acid for purple brown to black, diluted into wine red; In concentrated nitric acid for the red light brown, then shallow. Dye aqueous solution to join concentrated hydrochloric acid for wine red; Join concentrated sodium hydroxide solution for red wine. Mainly used for wool, silk, nylon dyeing, but also can be used in the electrochemical aluminum, leather tinting. Standard Ironing Fastness Light Fastness Fulling Persperation Fastness Soaping Water Alkali Acid ISO 4 8 5 4 5 5 5 AATCC 5 7 5 5 5 5

Standard

Ironing Fastness

Alkali

Acid

ISO

4

AATCC

5

InChI:InChI=1/C16H12N2O6S.Na/c19-14-3-1-2-11-10(14)5-6-12(16(11)21)17-18-13-8-9(25(22,23)24)4-7-15(13)20;/h1-8,17-18,20H,(H,22,23,24);/q;+1/p-1