65237-05-0

Basic information

• Product Name: 5-amino-4-hydroxy-3-[(1-sulpho-2-naphthyl)azo]naphthalene-2,7-disulphonic acid
• Synonyms: 5-amino-4-hydroxy-3-[(1-sulpho-2-naphthyl)azo]naphthalene-2,7-disulphonic acid;5-Amino-4-hydroxy-3-[(1-sulfo-2-naphthalenyl)azo]-2,7-naphthalenedisulfonic acid;2,7-Naphthalenedisulfonic acid, 5-amino-4-hydroxy-3-((1-sulfo-2-naphthalenyl)azo)-;2,7-Naphthalenedisulfonic acid, 5-amino-4-hydroxy-3-(2-(1-sulfo-2-naphthalenyl)diazenyl)-;Einecs 265-652-2;5-Amino-4-hydroxy-3-[(1-sulfo-2-naphthyl)azo]naphthalene-2,7-disulfonic acid;5-Amino-4-hydroxy-3-[(1-sulfo-2-naphthalenyl)azo]naphthalene-2,7-disulfonic Acid
• CAS NO: 65237-05-0
• Molecular Formula: C₂₀H₁₅N₃O₁₀S₃
• Molecular Weight: 553.5422
• EINECS: 265-652-2
• Mol File: 65237-05-0.mol

Chemical Properties

• Appearance: /
• Density: 1.86g/cm³
• Refractive Index: 1.787
• CAS DataBase Reference: 5-amino-4-hydroxy-3-[(1-sulpho-2-naphthyl)azo]naphthalene-2,7-disulphonic acid(CAS DataBase Reference)
• NIST Chemistry Reference: 5-amino-4-hydroxy-3-[(1-sulpho-2-naphthyl)azo]naphthalene-2,7-disulphonic acid(65237-05-0)
• EPA Substance Registry System: 5-amino-4-hydroxy-3-[(1-sulpho-2-naphthyl)azo]naphthalene-2,7-disulphonic acid(65237-05-0)

Safety Data

• Hazardous Substances Data: 65237-05-0(Hazardous Substances Data)

Usage

Uses

Used in Dye Synthesis:
5-amino-4-hydroxy-3-[(1-sulpho-2-naphthyl)azo]naphthalene-2,7-disulphonic acid is used as a reactant for the synthesis of bis-3-carboxypyridinium-s-triazine reactive dyes. These dyes are known for their high affinity to various substrates, making them suitable for a range of applications, including textile dyeing and paper manufacturing.
Used in Textile Industry:
In the textile industry, 5-amino-4-hydroxy-3-[(1-sulpho-2-naphthyl)azo]naphthalene-2,7-disulphonic acid is used as a dye intermediate for the production of reactive dyes. These dyes are highly valued for their ability to form covalent bonds with the fibers, resulting in improved colorfastness and wash resistance.
Used in Paper Manufacturing:
In the paper manufacturing industry, 5-amino-4-hydroxy-3-[(1-sulpho-2-naphthyl)azo]naphthalene-2,7-disulphonic acid is used as a component in the formulation of dyes for coloring paper products. The dyes derived from 5-amino-4-hydroxy-3-[(1-sulpho-2-naphthyl)azo]naphthalene-2,7-disulphonic acid offer excellent color strength and stability, making them ideal for various paper applications, such as printing and packaging materials.
Used in Analytical Chemistry:
5-amino-4-hydroxy-3-[(1-sulpho-2-naphthyl)azo]naphthalene-2,7-disulphonic acid can also be used in analytical chemistry as a reagent for the detection and quantification of various metal ions. Its ability to form complexes with specific ions makes it a valuable tool in colorimetric analysis and other related techniques.
Used in Research and Development:
Due to its unique chemical properties, 5-amino-4-hydroxy-3-[(1-sulpho-2-naphthyl)azo]naphthalene-2,7-disulphonic acid is also utilized in research and development for the creation of new dyes, pigments, and other colorants. Its versatility and reactivity make it an essential compound in the ongoing quest for innovative and improved colorants for various industries.

InChI:InChI=1/C20H15N3O10S3/c21-14-9-12(34(25,26)27)7-11-8-16(35(28,29)30)18(19(24)17(11)14)23-22-15-6-5-10-3-1-2-4-13(10)20(15)36(31,32)33/h1-9,22H,21H2,(H,25,26,27)(H,28,29,30)(H,31,32,33)/b23-18-

Upstream product

• 90-20-0 4-amino-5-hydroxy-2,7-naphthalenedisulfonic acid 
• 61572-63-2 2-diazonaphthalene-1-sulphonic acid 
• 63469-04-5 1-sulfo-naphthalene-2-diazonium ; chloride 
• 134-34-9 1-acetylamino-8-hydroxy-naphthalene-3,6-disulfonic acid 
• 81-16-3 2-aminonaphthalenesulfonic acid 

Downstream Products

• 25926-16-3 5-[(4,6-dichloro-1,3,5-triazin-2-yl)amino]-4-hydroxy-3-[(1-sulfo-2-naphthyl)azo]naphthalene-2,7-disulfonic acid 

Relevant articles and documents

Environmental protection series of reactive dyestuffs and their use

An environmental protection reactive dyestuff of the following formula (I) is disclosed, wherein R1, R2, D, M are defined as in the specification. The dyestuff of the invention is distinguished by a high fixation and a very good build-up. It is distinguished also by a green environmental protection and a low salt, a low base, a high exhaustion, non-contain heavy metal and halogen atoms, and it has fiber-reactive properties and is very highly suitable for dyeing and printing of materials containing either cellulose fibers, such as cotton, synthetic cotton, hemp, and synthetic hemp, or amide containing fibers such as wool and nylon.

Triazinylaninlino-disazo dyes, methods of preparing them and their use for dyeing and printing fiber materials

The present writing relates to a novel fiber-reactive dye of the formula wherein R11, D, R0, X and Z are as defined in the specification. The novel dye according to the present writing can be used in dyeing and printing fibre materials, especially, cellulosic fibre materials by a general fixing method, and a good adsorbing/fixing rate and an excellent fastness to light and wet treatment.

Triazine compounds and method for dyeing or printing fiber materials using the same

A triazine compound which is useful for dyeing or printing materials containing hydroxyl group and/or amide group, and which has the following formula (I) or salts thereof STR1 wherein R represents hydrogen or unsubstituted or substituted alkyl; R1 represents hydrogen, an alkyl unsubstituted or substituted by carboxy, sulfo, alkoxy, halogeno, sulfato or hydroxy, or --Y--SO2 Z3 ; R2 represents hydrogen or unsubstituted or substituted alkyl; A represents unsubstituted or substituted phenylene or naphthylene; Y represents a divalent group which is C2 -C7 alkylene and so on; Z1, Z2 and Z3 independently of one another are each --CH=CH2 or --CH2 CH2 Z' wherein Z' is a group capable of being split by the action of an alkali; and F is any one of the dye residue which is anthraquinone, azo, disazo, trisazo or phthalocyanine nucleus and so on, and a process for dyeing or printing fiber materials which comprises using said triazine compounds or salts thereof.

Organic dye compound having both pyridiniotriazinyl and vinylsulfone type fiber-reactive groups

A compound of the formula, STR1 wherein D is an organic dye moiety, R1 and R2 are independently hydrogen or a substituted or unsubstituted lower alkyl group, R3 is hydrogen or a substituted or unsubstituted lower alkyl, phenyl or naphthyl group, X1 and X2 are independently hydrogen, halogen or a lower alkyl, cyano, carbamoyl, vinyl, β-hydroxyethyl, β-sulfoethyl, β-sulfatoethyl, carboxyl, carboxylic acid ester or sulfonic acid group, and Z is appended to the above-defined D or R3 and stands for --SO2 CH=CH2 or --SO2 CH2 CH2 Y, in which Y is a group capable of being split by the action of an alkali, which is useful for dyeing hydroxyl or amido group-containing fiber materials with excellent build-up properties, thereby giving dyed products having excellent various fastness properties.