98-42-0

Usage

Uses

Used in Chemical Synthesis:
2-Anisidine-4-sulfonic acid is used as a chemical intermediate for the synthesis of various organic compounds, including dyes, pharmaceuticals, and agrochemicals. Its unique structure allows for versatile chemical reactions and modifications, making it a valuable building block in the chemical industry.
Used in Dye Manufacturing:
In the dye industry, 2-Anisidine-4-sulfonic acid is used as a key component in the production of various dyes, particularly those with specific color properties and stability. Its ability to form zwitterions contributes to the dye's performance and compatibility with different substrates.
Used in Pharmaceutical Development:
2-Anisidine-4-sulfonic acid is utilized as a starting material or intermediate in the development of pharmaceutical compounds, particularly those with potential therapeutic applications. Its unique chemical properties enable the design of novel drug candidates with improved efficacy and selectivity.
Used in Analytical Chemistry:
In analytical chemistry, 2-Anisidine-4-sulfonic acid can be employed as a reagent or reference compound for various analytical techniques, such as chromatography, spectroscopy, and electrochemistry. Its distinct chemical and physical properties make it suitable for use in the development and optimization of analytical methods.

InChI:InChI=1/C7H9NO4S/c1-12-7-3-2-5(4-6(7)8)13(9,10)11/h2-4H,8H2,1H3,(H,9,10,11)/p-1

Upstream product

• 90-04-0 2-methoxy-phenylamine 
• 7664-93-9 sulfuric acid 
• 7647-01-0 hydrogenchloride 
• 46403-72-9 4-methoxy-3-nitro-benzenesulfonic acid 

Downstream Products

• 6535-68-8 5-acetylamino-2-amino-4-methoxy-benzenesulfonic acid 
• 106483-59-4 C₁₅H₁₇N₃O₆S 
• 103700-30-7 4-methoxy-3-propionamidobenzene-1-sulphonyl chloride 
• 915870-64-3 C₁₆H₁₈N₂O₄S 
• 121451-95-4 3-(N-p-toluenesulfonamido)-4-methoxybenzensulfonic acid sodium salt 

Relevant academic research and scientific papers

Synthesis and characterization of water soluble conducting poly (3-Amino-4-Methoxybenzenesulfonic acid)

The preparation of conducting water soluble sulfonated polyaniline, poly (3-amino-4-methoxybenzenesulfonic acid), has been investigated. Poly (3-amino-4-methoxybenzenesulfonic acid) has been polymerized via chemical oxidation. Using a dialysis membrane, separation and purification of high molecular weight polymer from low molecular oligomers were carried out successfully. UV-Visible spectroscopy, cyclic voltammetry and four-point-probe conductivity measurements of polymer were recorded. The prepared polymer was conducting and fully water soluble. The conductivity of polymer was about 0.0430-0.75S/cm and it were found that reaction temperature, monomer and oxidant concentration had dramatic effect on conductivity of poly(3-amino-4- methoxybenzenesulfonic acid).

2,4-diamino-6-fluorotriazine disazo reactive dyestuffs

A dyestuff of the formula STR1 in which R is H or Ch3 STR2 in which R1 is H, substituted or unsubstituted C1 -C4 -alkyl or --X--Y X is a divalent aliphatic, cycloaliphatic, aliphaticcycloaliphatic radical or an araliphatic radical Y is COOH, SO3 H, OSO3 H or SO2 G, in which G is CH=CH2 or --CH2 --CH2 --Z, in which Z denotes a group which can be eliminated under alkaline conditions, R2 is H or C1 -C4 -alkyl, and the benzene radical D and the benzene or naphthalene radical L can contain customary substituents, is suitable for the dyeing and printing of OH- and NH-containing materials. They produce lightfast and wetfast brilliant dyeings and prints.

Alkanol substituted disazo orange dye for nylon

The specification describes a new group of alkanol substituted disazo compounds that are useful in dyeing polyamide textile fibers in orange hues. The new compounds are compatible with several acid blue dyes and several acid red dyes that are commercially important as dyes for nylon. The new compounds are particularly well suited for use as the "yellow" component in trichromatic systems for dying polyamide carpeting and other textiles. The new compounds are relatively inexpensive to make and have outstanding application and fastness properties. Other aspects of the specification are concerned with a method of making the new compounds and with a method of dyeing polyamides with said compounds and to the novel dyed polyamides resulting from the use of the new group of compounds as dyes.

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.

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.

Azo reactive dyestuffs having an aryl-triazinyl-aryl diazo component

Optionally metallized azo dyestuffs which in the form of the free acid correspond to the formula STR1 wherein K is the radical of a benzene, naphthalene, pyrazolone, pyridone, pyrimidone, acetoacetic acid arylide or aminopyrazole coupling component; A is a non-ionic substituent; X is STR2 wherein W is a direct bond or a bridge member to a C atom of the benzene or naphthalene nucleus or the coupling component K; R is hydrogen or C1 -C4 -alkyl; B is a direct bond or a bridge member, especially -CO- or -SO2 -, to a C atom of Q; Q is a reactive radical; m is 0, 1 or 2; n is 0, 1 or 2; p is 0 or 1; q is 0, 1 or 2; and r is 0 or 1; and their use for the dyeing and printing of natural and regenerated cellulose fibre materials such as cotton and rayon, as well as natural and synthetic polyamide fibre materials, for example those of wool, silk, poly-ε-caprolactam or polycondensate of hexamethylene-diamine and adipic acid. The dyeings obtained, espeically those on cotton and rayon, are distinguished by good fastness properties, especially fastness to wet processing and to light.