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

Description

Mordant Black 9 is a synthetic dye characterized by its black color. It is soluble in water, ethanol, and Cellosolve, and exhibits different shades when interacting with various chemicals such as concentrated sulfuric acid, concentrated nitric acid, hydrochloric acid, and sodium hydroxide. This dye is known for its ability to produce a bordeaux red color and is used in various applications due to its colorfastness properties.

Uses

Used in Textile Industry:
Mordant Black 9 is used as a dye for wool, silk, and nylon, providing a deep black color that is resistant to various conditions such as ironing, light exposure, perspiration, and soaping. Its fastness properties make it a suitable choice for染色 (dyeing) and coloring textiles.
Used in Electrochemical Industry:
Mordant Black 9 is also utilized in the electrochemical industry, specifically for aluminum coloring. Its ability to produce a range of colors when interacting with different chemicals makes it a valuable tool in this application.
Used in Leather Industry:
In the leather industry, Mordant Black 9 is employed for tinting and dyeing leather products. Its colorfastness properties ensure that the leather maintains its black color even under various conditions, making it a popular choice for leather goods.
The provided standard data indicates the dye's performance in terms of fastness to different conditions, with ratings on a scale from 1 to 8, where 1 is the lowest and 8 is the highest. The ISO and AATCC ratings for Mordant Black 9 show that it has good to excellent fastness properties in various tests, making it a reliable choice for various applications.

Preparation

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

Flammability and Explosibility

Nonflammable

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