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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HCID 75615Generated: November 3, 2026

Ethanol, 2-((4-aminophenyl)sulfonyl)-, 1-(hydrogen sulfate)

VinylSulfoneParaBase · C8H11NO6S2 · Para Base (VS) · p-SESA (Para Base) · VINYL PHNE PARA BASE ESTER · VINYLSULPHONEESTER-PARABASE · 4-AMINOPHENYLSULFATOETHYLSULFONE · 4-(-sulfatoethylsulfonyl)aniline

https://huagongshe.com/en/chemical/75615

Ethanol, 2-((4-aminophenyl)sulfonyl)-, 1-(hydrogen sulfate) molecular structure

Identifiers & Physical Properties

CAS No.2494-89-5
Molecular formulaC8H11NO6S2
Average molar mass281.3 g/mol
Monoisotopic mass281.00277942 g/mol
SMILESNc1ccc(S(=O)(=O)CCOS(=O)(=O)O)cc1
InChIKeyIALORYHODRVWKZ-UHFFFAOYSA-N
PubChem CID75615
EC No.219-669-7
DTXSIDDTXSID0027484

Chemical & Physical Properties

XLogP-0.6
Topological polar surface area141
Hydrogen bond donors2
Hydrogen bond acceptors7
Rotatable bonds5
Heavy atoms17
Formal charge0
Complexity424
Physical DescriptionDry Powder
Density1.608±0.06 g/cm3(Predicted)
Storage conditions2-8°C, protect from light
SolubilityDMSO (Slightly), Water (Slightly, Heated)
pKa (acidity coefficient)-3.88±0.18(Predicted)
Physical stateSolid
ColorOff-White to Pale Grey
InChIInChI=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)
InChIKeyIALORYHODRVWKZ-UHFFFAOYSA-N
SMILESC(OS(O)(=O)=O)CS(C1=CC=C(N)C=C1)(=O)=O
FDA UNII5R04R0T8IA
EPA Substance Registry SystemEthanol, 2-[(4-aminophenyl)sulfonyl]-, hydrogen sulfate (ester) (2494-89-5)
GHS pictogramGHS05
Signal wordDanger
GHS hazard statementsH314-H318
GHS precautionary statementsP260-P303+P361+P353-P305+P351+P338-P301+P330+P331-P405-P501
TSCA inventory statusTSCA listed
REACH registrationsActive

Safety & Regulations

GHS classificationDangerH315 (26.7%): Causes skin irritation [Warning Skin corrosion/irritation]P203, P264, P264+P265, P280, P302+P352, P305+P354+P338, P317, P318, P321, P332+P317, P362+P364, P405, and P501 (click each P-code to see the statement)Aggregated GHS information provided per 15 reports by companies from 5 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.
Regulatory informationChemical: Ethanol, 2-[(4-aminophenyl)sulfonyl]-, hydrogen sulfate (ester)Ethanol, 2-[(4-aminophenyl)sulfonyl]-, 1-(hydrogen sulfate) is listed on the EPA's Chemical Data Reporting (CDR) system. Manufacturers and importers of Ethanol, 2-[(4-aminophenyl)sulfonyl]-, 1-(hydrogen sulfate) are required to report information about their production and use of this chemical to the EPA under the Toxic Substances Control Act (TSCA). (40 eCFR Part 711)T - indicates a substance that is the subject of a final TSCA section 4 test rule.REACH registered substance: 2-[(p-aminophenyl)sulphonyl]ethyl hydrogensulphate (EC: 219-669-7)
Hazard Classes and CategoriesSkin Irrit. 2 (26.7%)
TSCA inventory statusTSCA listed
Signal wordDanger
GHS pictogramGHS05
GHS hazard statementsH314-H318
REACH registrationsActive
GHS precautionary statementsP260-P303+P361+P353-P305+P351+P338-P301+P330+P331-P405-P501

Applications & Uses

Uses

4-(Ethylsulfurate Sulfonyl)aniline is a disperse dye.