83-64-7

Basic information

• Product Name: 1-AMINO-8-NAPHTHOL-4-SULFONIC ACID
• Synonyms: chicagoacids;kyselina1-amino-8-naftol-4-sulfonova;kyselinas;S ACID;4-amino-5-hydroxynaphthalene-1-sulphonic acid;4-AMINO-5-HYDROXY-1-NAPHTHALENESULFONIC ACID, TECH., 90%;8-AMINO-1-NAPHTHOL-5-SULFONIC ACIDPRACTI CAL GRADE;4-Amino-5-Hydroxynaphthalene-1-Shlfonic Acid
• CAS NO: 83-64-7
• Molecular Formula: C₁₀H₉NO₄S
• Molecular Weight: 239.25
• EINECS: 201-491-6
• Product Categories: Intermediates of Dyes and Pigments
• Mol File: 83-64-7.mol

Chemical Properties

• Appearance: /
• Density: 1.4338 (rough estimate)
• Refractive Index: 1.6500 (estimate)
• Storage Temp.: -20°C Freezer, Under inert atmosphere
• Solubility: DMSO (Slightly), Methanol (Slightly)
• CAS DataBase Reference: 1-AMINO-8-NAPHTHOL-4-SULFONIC ACID(CAS DataBase Reference)
• NIST Chemistry Reference: 1-AMINO-8-NAPHTHOL-4-SULFONIC ACID(83-64-7)
• EPA Substance Registry System: 1-AMINO-8-NAPHTHOL-4-SULFONIC ACID(83-64-7)

Safety Data

• Hazard Codes: C
• Statements: 34
• Safety Statements: 26-27-36/37/39-45
• RIDADR: UN 2583 8/PG 2
• WGK Germany: 2
• RTECS: QK1295000
• Hazardous Substances Data: 83-64-7(Hazardous Substances Data)

Usage

Uses

Used in Azo Dye Industry:
1-Amino-8-naphthol-4-sulfonic acid is used as an azo dye intermediate for the synthesis of various dye compounds. Azo dyes are a class of synthetic dyes that are formed by the coupling of diazonium compounds with coupling components, such as 1-amino-8-naphthol-4-sulfonic acid. These dyes are known for their vibrant colors, stability, and resistance to fading, making them suitable for various applications, including textiles, plastics, and printing inks.
Used in Synthesis of Dye Compounds:
1-Amino-8-naphthol-4-sulfonic acid is used as a key component in the synthesis of dye compounds. Its unique chemical structure allows for the formation of a diverse range of dyes with different properties, such as color, solubility, and stability. These dyes can be used in various industries, including textiles, where they are applied to fibers to impart color and enhance the aesthetic appeal of the final product. Additionally, these dyes can be used in the production of pigments for paints, coatings, and other industrial applications.

InChI:InChI=1/C10H9NO4S/c11-7-4-5-9(16(13,14)15)6-2-1-3-8(12)10(6)7/h1-5,12H,11H2,(H,13,14,15)/p-1

Upstream product

• 117-55-5 4-aminonaphthalene-1,5-disulfonic acid 
• 6362-18-1 4,5-diamino-1-naphthalenesulfonic acid 
• 67-64-1 acetone 

Downstream Products

• 83-65-8 4,5-dihydroxy-1-naphthalene-sulfonic acid 
• 6357-83-1 5-hydroxy-4-p-toluidino-naphthalene-1-sulfonic acid 
• 68003-37-2 4-anilino-5-hydroxy-naphthalene-1-sulfonic acid 
• 25255-01-0 6,6'-(3,3'-dimethoxy-biphenyl-4,4'-diyl)bis(azo)bis(4-amino-5-hydroxynaphthalene-1-sulfonic acid) 
• 69902-90-5 5-hydroxy-4-m-nitrobenzamido-1-naphthalenesulfonic acid, sodium salt 
• 1421062-26-1 C₁₉H₁₃Cl₂N₅O₄S 
• 6357-80-8 4-acetylamino-5-hydroxy-naphthalene-1-sulfonic acid 

Relevant articles and documents

Copper complexes of sulpho groups containing disazo dyestuffs

The new disazo dyestuffs of the formula (I) STR1 in which the substituents and indices have the meaning given in the description, and salts thereof are outstandingly suitable for dyeing cellulose-containing materials and leather in blue shades having good wet- and light-fastnesses.