Description

(2-((4-Aminobenzene)sulfonyl)ethoxy)sulfonic acid (CAS No. 2494-89-5) is a high-purity sulfonated organic compound with the molecular formula C₈H₁₁NO₆S₂. This specialized chemical, also known by its IUPAC name 2-(4-aminophenyl)sulfonylethyl hydrogen sulfate, features a unique molecular structure combining an aromatic amine with dual sulfonate functionalities. The compound is supplied as a fine powder or crystalline solid with >95% purity (HPLC), ideal for research applications requiring precise sulfonation chemistry. Its well-defined structure makes it particularly valuable for studying sulfonate ester reactions, polymer modification, and as a potential intermediate in pharmaceutical or dye synthesis. Proper storage conditions (2-8°C in airtight containers) are recommended to maintain stability of this moisture-sensitive compound. Researchers should handle with appropriate PPE due to potential irritant properties.

Properties

• CAS Number: 2494-89-5
• Complexity: 424
• IUPAC Name: 2-(4-aminophenyl)sulfonylethyl hydrogen sulfate
• InChI: InChI=1S/C8H11NO6S2/c9-7-1-3-8(4-2-7)16(10,11)6-5-15-17(12,13)14/h1-4H,5-6,9H2,(H,12,13,14)
• InChI Key: IALORYHODRVWKZ-UHFFFAOYSA-N
• Exact Mass: 281.00277942
• Molecular Formula: C8H11NO6S2
• Molecular Weight: 281.3
• SMILES: C1=CC(=CC=C1N)S(=O)(=O)CCOS(=O)(=O)O
• Topological: 141
• Monoisotopic Mass: 281.00277942
• Physical Description: Dry Powder
• Synonyms: 2-[(4-aminophenyl)sulfonyl]ethyl hydrogen sulfate, 2-((4-Aminophenyl)sulfonyl)ethyl hydrogen sulfate, 2-[(P-AMINOPHENYL)SULPHONYL]ETHYL HYDROGENSULPHATE, 5R04R0T8IA, Ethanol, 2-sulfanilyl-, hydrogen sulfate (ester), PARA BASE SULFATE, (2-((4-Aminobenzene)sulfonyl)ethoxy)sulfonic acid, 2-((p-Aminophenyl)sulphonyl)ethyl hydrogensulphate, Ethanol, 2-((4-aminophenyl)sulfonyl)-, hydrogen sulfate (ester), Ethanol, 2-[(4-aminophenyl)sulfonyl]-, hydrogen sulfate (ester), 1-AMINOBENZENE-4-(2-SULFATOETHYL)SULFONE, 2-(4-aminobenzenesulfonyl)ethyl sulfate, 1-Aminobenzene-4-beta-sulfatoethylsulfone, 4-(2-SULFATOETHYLSULFONYL)ANILINE, P-(2-SULFATOETHYLSULFONYL)ANILINE, Ethanol, 2-((4-aminophenyl)sulfonyl)-, 1-(hydrogen sulfate), 4-AMINOPHENYL 2-SULFATOETHYL SULFONE, P-AMINOPHENYL 2-SULFATOETHYL SULFONE, P-(.BETA.-SULFATOETHYLSULFONYL)ANILINE, 4-(.BETA.-SULFATOETHYLSULFONYL)ANILINE, 2-(4-AMINOPHENYLSULFONYL)ETHYL BISULFATE, 4-AMINOPHENYL .BETA.-SULFATOETHYL SULFONE, ETHANOL, 2-SULFANILYL-, HYDROGEN SULFATE, P-AMINOPHENYL .BETA.-SULFATOETHYL SULFONE, 1-AMINOBENZENE-4-.BETA.-SULFATOETHYLSULFONE, 4-((.BETA.-SULFOOXYETHYL)SULFONYL)ANILINE, 4-AMINO-1-.BETA.-SULFATOETHYLSULFONYLBENZENE, SODIUM 4-(.BETA.-SULPHATOETHYL)SULFONYLANILINE, 2-((P-AMINOPHENYL)SULFONYL)ETHYL HYDROGEN SULFATE, 4-AMINOPHENYL .BETA.-HYDROXYETHYL SULFONE SULFATE ESTER, 2-[(p-aminophenyl)sulfonyl]ethyl hydrogen sulfate, Ethanol, 2-[(4-aminophenyl)sulfonyl]-, 1-(hydrogen sulfate), 4-(BETA-SULFATOETHYLSULFONYL)ANILINE, P-(BETA-SULFATOETHYLSULFONYL)ANILINE, P-AMINOPHENYL BETA-SULFATOETHYL SULFONE, 4-((BETA-SULFOOXYETHYL)SULFONYL)ANILINE, 4-AMINOPHENYL BETA-SULFATOETHYL SULFONE, 4-AMINO-1-BETA-SULFATOETHYLSULFONYLBENZENE, SODIUM 4-(BETA-SULPHATOETHYL)SULFONYLANILINE, 4-AMINOPHENYL BETA-HYDROXYETHYL SULFONE SULFATE ESTER, 2494-89-5, 2-(4-aminophenyl)sulfonylethyl hydrogen sulfate, 4-(Ethylsulfurate sulfonyl)aniline, [2-(4-aminobenzenesulfonyl)ethoxy]sulfonic acid, EINECS 219-669-7, 4-((2-Sulfatoethyl)sulfonyl)aniline, UNII-5R04R0T8IA, EC 219-669-7, SCHEMBL314732, SCHEMBL8818862, DTXSID0027484, IALORYHODRVWKZ-UHFFFAOYSA-N, MFCD00100131, STK368411, AKOS005444231, P-(beta-sulphato-ethyl-sulfonyl)aniline, s10130, AS-54446, CS-0186374, NS00001695, ST50862536, 2-((4-Aminophenyl)sulfonyl)ethylhydrogensulfate, 2-[(4-aminophenyl)sulfonyl]ethyl hydroxysulfonate, Q27262761, sulfuric acid mono-[2-(4-amino-benzenesulfonyl)-ethyl] ester

Application

This compound serves as a versatile intermediate in organic synthesis, particularly for introducing sulfonate groups into target molecules. Researchers utilize it in the development of sulfonated polymers with enhanced ionic conductivity for battery applications. The aromatic amine moiety enables its use in azo dye synthesis and pharmaceutical intermediate preparation. In biochemical studies, it may function as a sulfonation agent for modifying protein structures or creating sulfate ester derivatives.

Safety and Hazards

GHS Hazard Statements

• H315 (26.7%): Causes skin irritation [Warning Skin corrosion/irritation]
• H318 (73.3%): Causes serious eye damage [Danger Serious eye damage/eye irritation]
• H341 (26.7%): Suspected of causing genetic defects [Warning Germ cell mutagenicity]

Precautionary Statements

• P203, P264, P264+P265, P280, P302+P352, P305+P354+P338, P317, P318, P321, P332+P317, P362+P364, P405, and P501

Hazard Classes and Categories

• Skin Irrit. 2 (26.7%)
• Eye Dam. 1 (73.3%)
• Muta. 2 (26.7%)

If you are interested or have any questions, please contact us at support@atomfair.com

Disclaimer: Sold exclusively for laboratory research. Prohibited for commercial use, diagnostics, or human/animal applications. Buyers assume all compliance liability.