1064-48-8

Basic information

• Product Name: Acid Black 1
• Synonyms: 2,7-naphthalenedisulfonicacid,4-amino-5-hydroxy-3-[(4-nitrophenyl)azo]-6-(phe;abcolblack10br-126%;AceidBlueBlack10B;acidalblack10b;acidalnavyblue3br;acidblack10a;Acidblack10B;acidblack10ba
• CAS NO: 1064-48-8
• Molecular Formula: C₂₂H₁₄N₆O₉S₂*2Na
• Molecular Weight: 616.49
• EINECS: 213-903-1
• Product Categories: Organics;Biochemistry;Reagents for Electrophoresis
• Mol File: 1064-48-8.mol
• Article Data: 0

Chemical Properties

• Melting Point: >350℃
• Flash Point: 30 °C
• Appearance: Dark Brown/Powder/Solid
• Density: 1.05 g/mL at 20 °C
• Vapor Pressure: 0Pa at 25℃
• Storage Temp.: Store at RT.
• Solubility: 10g/l
• Water Solubility: 10 g/L (25 ºC)
• Sensitive: Hygroscopic
• Stability: Stable. Incompatible with strong oxidizing agents.
• BRN: 5374263
• CAS DataBase Reference: Acid Black 1(CAS DataBase Reference)
• NIST Chemistry Reference: Acid Black 1(1064-48-8)
• EPA Substance Registry System: Acid Black 1(1064-48-8)

Safety Data

• Hazard Codes: Xi,C,F
• Statements: 36/37/38-10-34-11-67-36/38
• Safety Statements: 26-36-37/39-45-36/37/39-23-16
• RIDADR: UN 2924 3/PG 3
• WGK Germany: 3
• RTECS: QJ6196000
• TSCA: Yes
• Hazardous Substances Data: 1064-48-8(Hazardous Substances Data)

Usage

Description

Acid Black 1, also known as an organic acid dye, is a dark brown granular solid with red to maroon crystalline properties. It is soluble in water, ethanol, and slightly soluble in acetone, but insoluble in other organic solvents. It exhibits various color changes when interacting with different chemicals, such as strong sulfuric acid, nitric acid, and sodium hydroxide.

Uses

Used in Textile Industry:
Acid Black 1 is used as a dye for wool, silk, polyamide fiber, and their blended fabrics for dyeing and printing. It provides good color and lustre, making it a popular choice in the textile industry.
Used in Paper Industry:
Acid Black 1 is utilized as a shading agent for the paper industry, enhancing the appearance and quality of the final product.
Used in Electrical-controlled Aluminum Industry:
Acid Black 1 serves as a shading agent in the electrical-controlled aluminum industry, contributing to the aesthetic and functional properties of the materials.
Used in Soap Industry:
This dye is employed in the soap industry for shading purposes, adding color and visual appeal to soap products.
Used in Wood Industry:
Acid Black 1 is used for shading in the wood industry, providing a desired color to wooden products and enhancing their appearance.
Used in Biological Industry:
In the biological industry, Acid Black 1 is used as a staining agent for various applications, including cell proliferation assays and histochemical studies.
Used in Leather Industry:
This dye is used in the leather industry for shading and coloring leather products, improving their visual appeal and marketability.
Used in Medicine and Cosmetics Industry:
Acid Black 1 is utilized in the medicine and cosmetics industry for shading purposes, contributing to the color and appearance of various products.
Used in Ink Manufacturing:
Acid Black 1 is also used in the manufacture of ink, providing a dark and vibrant color for different applications.
Environmental Considerations:
Acid Black 1 is considered a water pollutant, and several removal processes have been developed to address this issue. These include the preparation of bio-based nanocomposite films and nanofiltration of organic solvents to reduce the environmental impact of this dye.

Preparation

4-Nitrobenzenamine diazo, in acid conditions and 4-Amino-5-hydroxynaphthalene-2,7-disulfonic acid?coupling, aniline diazo, in alkaline conditions and formation of single accidentally coupled nitrogen compounds.

Air & Water Reactions

Can be explosive when as a dust in air at certain concentrations. Moderately soluble in water.

Reactivity Profile

Acid Black 1 may form toxic gases with acids, aldehydes, amides, carbamates, cyanides, inorganic fluorides, halogenated organics, isocyanates, ketones, metals, nitrides, peroxides, phenols, epoxides, acyl halides, and strong oxidizing or reducing agents. May form flammable gases with alkali metals. Explosive combination can occur with strong oxidizing agents, metal salts, peroxides, and sulfides. Reacts with iron to give a weaker, greener color .

Fire Hazard

Flash point data for Acid Black 1 are not available; however, Acid Black 1 is probably combustible.

Flammability and Explosibility

Nonflammable

Standard

Light Fastness

Fading

Stain

ISO

5

AATCC

7

InChI:InChI=1/C22H16N6O9S2.2Na/c23-19-18-12(11-17(39(35,36)37)21(22(18)29)27-24-13-4-2-1-3-5-13)10-16(38(32,33)34)20(19)26-25-14-6-8-15(9-7-14)28(30)31;;/h1-11,24H,23H2,(H,32,33,34)(H,35,36,37);;/q;2*+1/p-2/b26-25+,27-21+;;

Downstream Products

• 64-18-6 formic acid 
• 144-62-7 oxalic acid 
• 64-19-7 acetic acid 
• 100-01-6 4-nitro-aniline 
• 124-38-9 carbon dioxide 
• 62-53-3 aniline 

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