120-98-9

Usage

Uses

Used in Textile Industry:
5-Amino-4-hydroxybenzene-1,3-disulphonic acid is used as a dye intermediate for the production of azo dyes, which are widely used in the textile industry to impart vibrant colors to fabrics. Its ability to create a range of hues makes it a valuable component in the dye manufacturing process.
Used in Paper Industry:
In the paper industry, 5-Amino-4-hydroxybenzene-1,3-disulphonic acid is utilized as a dye intermediate for the production of azo dyes that are applied to paper products. These dyes enhance the visual appeal and durability of paper materials, making them suitable for various applications.
Used as a pH Indicator:
5-Amino-4-hydroxybenzene-1,3-disulphonic acid can be used as a pH indicator due to its water-soluble properties. It helps in determining the acidity or alkalinity of a solution, which is essential in various chemical processes and laboratory settings.
Used in Chemical Product Manufacturing:
5-Amino-4-hydroxybenzene-1,3-disulphonic acid is also used in the manufacturing of various chemical products, such as pharmaceuticals, agrochemicals, and other specialty chemicals. Its versatility in chemical reactions and ability to form different derivatives make it a valuable building block in the synthesis of various compounds.

InChI:InChI=1/C6H7NO7S2.K/c7-4-1-3(15(9,10)11)2-5(6(4)8)16(12,13)14;/h1-2,8H,7H2,(H,9,10,11)(H,12,13,14);/q;+1/p-1

Upstream product

• 108-95-2 phenol 
• 88-28-8 4-hydroxy-5-nitro-benzene-1,3-disulfonic acid 

Relevant academic research and scientific papers

Reactive dyestuffs comprising a triazine moiety and a vinylsulfonyl moiety both being linked by a substituted alkylene bridge member

A reactive dye of the formula STR1 in which: F is a radical selected from the group consisting of metal-free or metal-containing monoazo or disazo dyes containing at least one --SO3 H group, anthraquinone dyes, sulfophthalocyanine dyes, formazan dyes, phenazine dyes, oxazine dyes and nitroaryl dyes, R is hydrogen, C1 -C4 alkyl which is unsubstituted or substituted with --COOH or --SO3 H, cyanoethyl, or hydroxyethyl, X is fluorine, chlorine, bromine, --SO3 H, phenylsulfonyl or C1 -C4 -alkylsulfonyl, p is 1 or 2 and A is a radical of the formula STR2 in which: Y is chlorine, bromine, fluorine, --OH, --OSO3 H, --O-acyl, --CN, --COOH, --COO--C1 -C4 -alkyl, --CONH2 or --SO2 --Z, the group designated "alk" is a straight or branched polymethylene radical having 2 to 6 carbon atoms, V is STR3 hydrogen or C1 -C4 -alkyl which is unsubstituted or substituted by C1 -C2 -alkoxy, carboxyl, sulfo, halogen or hydroxy, Z is β-halogenoethyl, vinyl or β-acetoxyethyl, or A is a radical of the formulae STR4 in all of which R' is C1-6 -alkyl or hydrogen, Z is as defined above, o is 0 to 6, and m is 2 to 6.

Triazinyl reactive dyes containing additional fiber reactive groups bound through the sulfonylalkylaminoalkylamino bridge

The invention relates to novel useful reactive dyes of the formula I STR1 in which: F is a radical selected from the group consisting of metal-free or metal-containing monoazo or disazo dyes containing at least one --SO3 H group, anthraquinone dyes, sulfophthalocyanine dyes, formazan dyes, phenazine dyes, oxanine dyes and nitroaryl dyes, R is hydrogen, C1 -C4 alkyl which is unsubstituted or substituted with --COOH or --SO3 H, cyanoethyl, or hydroxyethyl, X is fluorine, chlorine, bromine, --SO3 H, phenylsulfonyl or C1 -C4 -alkylsulfonyl, P is 1 or 2 and A is a radical of the formula STR2 in which: the groups designated "alk" are independently of each other straight or branched polymethylene radicals having 2 to 6 carbon atoms, and Z is β-halogenoethyl, vinyl, β-sulfatoethyl, β-thiosulfatoethyl or βacetoxyethyl.