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HCID 6925Erstellt: 26. Oktober 2026

Toluol-2-sulfonsure

O-TOLUENESULFONIC ACID · toluene-2-sulphonic acid · Ortho toluene sulfonic acid · Sorafenib Impurity 47 · 2-Toluenesulfonic acid · 2-methylbenzenesulfonylacid · o-Toluenesulfonic acid (8CI) · o-methylbenzenesulfonic acid

https://huagongshe.com/de/chemical/6925

Molekülstruktur von Toluol-2-sulfonsure

Identifikatoren & physikalische Daten

CAS No.88-20-0
SummenformelC7H8O3S
Durchschnittliche Molmasse172,2 g/mol
Monoisotopische Masse172,01941512 g/mol
SMILESCc1ccccc1S(=O)(=O)O
InChIKeyLBLYYCQCTBFVLH-UHFFFAOYSA-N
PubChem CID6925
ChEMBLCHEMBL3306053
ChEBICHEBI:173491
EC No.201-809-3
DTXSIDDTXSID1045035
Lokaler NameToluol-2-sulfonsure

Chemische & physikalische Eigenschaften

XLogP1
Polarare Oberfläche (TPSA)62,8
H-Brücken-Donoren1
H-Brücken-Akzeptoren3
Frei drehbare Bindungen1
Schwere Atome11
Formalladung0
Komplexität214
Physical DescriptionLiquid
Collision Cross Section131.7 Ų [M-H]- [CCS Type: DTBuffer gas: N2Ionization: ESI-Dataset: TOXCASTSource Identifier: DTXSID2044553]
Schmelzpunkt67.5°C
Siedepunkt272.52°C (rough estimate)
Dichte1.3692 (rough estimate)
Brechungsindex1.5151 (estimate)
LagerbedingungenStore at room temperature, keep dry and cool
pKa (Säurekonstante)-0.53±0.15(Predicted)
Löslichkeit488.9g/L(32.5 ºC)
InChIInChI=1S/C7H8O3S/c1-6-4-2-3-5-7(6)11(8,9)10/h2-5H,1H3,(H,8,9,10)
InChIKeyLBLYYCQCTBFVLH-UHFFFAOYSA-N
SMILESC1(S(O)(=O)=O)=CC=CC=C1C
EPA chemische InformationenBenzenesulfonic acid, 2-methyl- (88-20-0)

Sicherheit & Vorschriften

GHS-EinstufungWarningH315 (95.3%): Causes skin irritation [Warning Skin corrosion/irritation]P261, P264, P264+P265, P271, P280, P302+P352, P304+P340, P305+P351+P338, P319, P321, P332+P317, P337+P317, P362+P364, P403+P233, P405, and P501 (click each P-code to see the statement)Aggregated GHS information provided per 43 reports by companies from 5 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.
Regulatorische InformationenBenzenesulfonic acid, 2-methyl- is listed on the EPA's Chemical Data Reporting (CDR) system. Manufacturers and importers of Benzenesulfonic acid, 2-methyl- 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)
Hazard Classes and CategoriesSkin Irrit. 2 (95.3%)
TSCA-Inventar-StatusTSCA listed

Anwendungen & Verwendung

Verwenden

Natural gas hydrate promotion capabilities of the hydrotope o-Toluenesulfonic Acid as an additive was investigated.