6448-82-4

Basic information

• Product Name: 2-Amino-5-ethoxybenzenesulphonic acid
• Synonyms: 2-amino-5-ethoxybenzenesulphonic acid;4-phenetidine-3-sulfonic acid;2-AMINO-5-ETHOXYBENZENESULFONIC ACID;4-Aminoethoxybenzene-3-sulfonic acid;Einecs 229-243-2
• CAS NO: 6448-82-4
• Molecular Formula: C₈H₁₁NO₄S
• Molecular Weight: 217.24224
• EINECS: 229-243-2
• Mol File: 6448-82-4.mol
• Article Data: 3

Chemical Properties

• Boiling Point: 549.7°C at 760 mmHg
• Flash Point: 286.2°C
• Appearance: /
• Density: 1.401g/cm³
• Vapor Pressure: 1.43E-11mmHg at 25°C
• Refractive Index: 1.637
• CAS DataBase Reference: 2-Amino-5-ethoxybenzenesulphonic acid(CAS DataBase Reference)
• NIST Chemistry Reference: 2-Amino-5-ethoxybenzenesulphonic acid(6448-82-4)
• EPA Substance Registry System: 2-Amino-5-ethoxybenzenesulphonic acid(6448-82-4)

Safety Data

• Hazardous Substances Data: 6448-82-4(Hazardous Substances Data)

Usage

General Description

2-Amino-5-ethoxybenzenesulphonic acid, also known as AEBS, is an organic chemical compound with the molecular formula C8H11NO4S. It is a white to beige crystalline powder that is soluble in water and commonly used as a dye intermediate in the manufacturing of reactive dyes. AEBS is also utilized as a corrosion inhibitor in the oil and gas industry, as well as in the formulation of pharmaceuticals and agrochemicals. Additionally, it has applications in the production of photochemicals, cosmetics, and personal care products. AEBS is considered to be relatively low in toxicity and is handled and stored following standard laboratory safety procedures.

InChI:InChI=1/C22H18N2O2S/c1-3-8-17(9-4-1)15-25-21-19(20-12-7-13-27-20)14-23-22(24-21)26-16-18-10-5-2-6-11-18/h1-14H,15-16H2

Upstream product

• 100-29-8 1-ethoxy-4-nitrobenzene 

Relevant articles and documents

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.