戻る
化工社化工社 化学情報印刷レポート · 研究参考用
HCID 6925作成日:2026年10月27日

2-メチルベンゼンスルホン酸

o-トルエンスルホン酸 · 2-メチルベンゼンスルホン酸 · O-TOLUENESULFONIC ACID · toluene-2-sulphonic acid · Ortho toluene sulfonic acid · Sorafenib Impurity 47 · 2-Toluenesulfonic acid · 2-methylbenzenesulfonylacid

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

2-メチルベンゼンスルホン酸 の分子構造式

識別子と物理属性

CAS No.88-20-0
分子式C7H8O3S
平均分子量172.2 g/mol
単同位体質量172.01941512 g/mol
SMILESCc1ccccc1S(=O)(=O)O
InChIKeyLBLYYCQCTBFVLH-UHFFFAOYSA-N
PubChem CID6925
ChEMBLCHEMBL3306053
ChEBICHEBI:173491
EC No.201-809-3
DTXSIDDTXSID1045035
現地名2-メチルベンゼンスルホン酸

化学・物理的性質

XLogP1
極性表面積62.8
水素結合供与体数1
水素結合受容体数3
回転可能結合数1
重原子数11
形式電荷0
複雑度214
Physical DescriptionLiquid
Collision Cross Section131.7 Ų [M-H]- [CCS Type: DTBuffer gas: N2Ionization: ESI-Dataset: TOXCASTSource Identifier: DTXSID2044553]
融点67.5°C
沸点272.52°C (rough estimate)
密度1.3692 (rough estimate)
屈折率1.5151 (estimate)
貯蔵条件Store at room temperature, keep dry and cool
pKa(酸解離定数)-0.53±0.15(Predicted)
溶解度488.9g/L(32.5℃)
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の化学物質情報Benzenesulfonic acid, 2-methyl- (88-20-0)

安全性と法規制

GHS 分類WarningH315 (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.
規制情報Benzenesulfonic 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 収載状態TSCA listed

用途

使用

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