489-78-1

Basic information

• Product Name: 5-AMINO-1-NAPHTHOL-3-SULFONIC ACID
• Synonyms: M ACID;1-AMINO-5-NAPHTHOL-7-SULFONIC ACID;5-AMINO-1-NAPHTHOL-3-SULFONIC ACID;8-AMINO-4-HYDROXY-2-NAPHTHALENESULFONIC ACID;8-amino-4-hydroxynaphthalene-2-sulphonic acid;8-amino-4-hydroxynaphthalene-2-sulfonic acid;5-AMINO-1-NAPHTHOL-3-SULFONIC ACID HYDRATE;5-AMINO-1-NAPHTHOL-3-SULFONIC ACID 97+%
• CAS NO: 489-78-1
• Molecular Formula: C₁₀H₉NO₄S
• Molecular Weight: 239.25
• EINECS: 207-700-7
• Product Categories: Intermediates of Dyes and Pigments
• Mol File: 489-78-1.mol

Chemical Properties

• Appearance: /
• Density: 1.627 g/cm³
• Refractive Index: 1.748
• PKA: -0.35±0.40(Predicted)
• CAS DataBase Reference: 5-AMINO-1-NAPHTHOL-3-SULFONIC ACID(CAS DataBase Reference)
• NIST Chemistry Reference: 5-AMINO-1-NAPHTHOL-3-SULFONIC ACID(489-78-1)
• EPA Substance Registry System: 5-AMINO-1-NAPHTHOL-3-SULFONIC ACID(489-78-1)

Safety Data

• Statements: 36/37/38
• Safety Statements: 26-36/37/39
• Hazardous Substances Data: 489-78-1(Hazardous Substances Data)

Usage

Uses

Used in Dye Synthesis:
5-Amino-1-Naphthol-3-Sulfonic Acid is used as an intermediate in the production of dyes, particularly for applications in the textile, printing, and leather industries. Its chemical properties make it a valuable component in the creation of colorants that are essential for these sectors.
Used in Scientific Research:
In the realm of scientific research, 5-Amino-1-Naphthol-3-Sulfonic Acid is utilized for colorimetric analysis, a technique that involves the measurement of the color intensity of a solution to determine the concentration of a colored analyte.
Used as a Biological Stain:
5-Amino-1-Naphthol-3-Sulfonic Acid also serves as a biological stain, which is crucial for the observation and identification of cellular structures under a microscope. Its staining properties aid researchers in visualizing and studying biological specimens.
Safety Considerations:
Due to its potential toxicity or hazards, 5-Amino-1-Naphthol-3-Sulfonic Acid should be handled and disposed of according to safety guidelines to prevent harmful effects on eyes, skin, or if inhaled or ingested. This highlights the importance of proper safety measures when working with this chemical compound.

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

Upstream product

• 18425-74-6 1-nitro-7-naphthalenesulfonic acid 
• 67900-43-0 5-amino-naphthalene-1,3,6-trisulfonic acid 
• 84-89-9 1-aminonaphthalene-5-sulfonic acid 
• 13306-42-8 5-Aminonaphthalene-1,3-disulfonic acid 
• 7664-93-9 sulfuric acid 
• 7732-18-5 water 
• 575-36-0 1-acetamidonaphthalene 

Downstream Products

• 1351863-08-5 C₁₇H₁₆BNO₆S 
• 759426-84-1 8-anilino-4-hydroxy-naphthalene-2-sulfonic acid 
• 603-80-5 3-hydroxy 2-methylbenzoic acid 

Relevant articles and documents

Monoazo compounds having vinylsulfone type fiber reactive group and method for dyeing or printing fiber materials using the same

A monoazo compound of the following formula, STR1 wherein D is phenylene or naphthylene; X is halogeno, pyridinio or STR2 B is --OR3, --SR4, STR3 in which R3, R4, R5 and R6 are each hydrogen, alkyl, phenyl, naphthyl or benzyl, r is 0 or 1, and E is O, SO, SO2, CH2 or NR8, in which R8 is hydrogen or C1 -C4 alkyl; R, R1, R2 and R7 are each hydrogen or alkyl; A1, A2 and A3 are each phenylene, naphthylene or alkylene; Z1, Z2 and Z3 are each --SO2 CH=CH2 or --SO2 CH2 CH2 Y, in which Y is a splittable group; and p is 0 or 1; which compound is useful for dyeing or printing fiber materials to obtain a product dyed or printed in a color superior in various fastness properties with superior build-up property.

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.