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Huagongshe화공사 화학 정보 인쇄 보고서 · 연구 참고용
HCID 7384생성일: 2026년 10월 26일

2-아미노톨루엔-5-술폰산

2-아미노톨루엔-5-술폰산 · OTS · 4-AMINO-3-METHYLBENZENESULFONIC ACID · 2-TOLUIDINE-5-SULFONIC ACID · 6-Amino-m-toluensulfonic acid · 4-Amino-3-methylbenzene-1-sulfonic acid · 2-Amino-5-sulfotoluene · 2-Methyl-4-sulfoaniline

https://huagongshe.com/ko/chemical/7384

2-아미노톨루엔-5-술폰산 분자 구조식

식별자 및 물리적 특성

CAS No.98-33-9
분자식C7H9NO3S
평균 분자량187.22 g/mol
단동위원소 질량187.03031415 g/mol
SMILESCc1cc(S(=O)(=O)O)ccc1N
InChIKeyWQTCZINVPXJNEL-UHFFFAOYSA-N
PubChem CID7384
EC No.202-658-6
DTXSIDDTXSID5059167
현지명2-아미노톨루엔-5-술폰산

화학 및 물리적 성질

XLogP0
극성 표면적88.8
수소 결합 공여자 수2
수소 결합 수용자 수4
회전 가능 결합 수1
무거운 원자 수12
형식 전하0
복잡도244
녹는점290°C
밀도1.3553 (rough estimate)
굴절률1.6100 (estimate)
저장 조건Storage temp. 2-8°C
pKa(산도 계수)pK1: 3.125 (25°C)
물리적 상태가루
색상Faint beige to faint red/orange
용해도5g/L(20℃)
InChIInChI=1S/C7H9NO3S/c1-5-4-6(12(9,10)11)2-3-7(5)8/h2-4H,8H2,1H3,(H,9,10,11)
InChIKeyWQTCZINVPXJNEL-UHFFFAOYSA-N
SMILESC1(S(O)(=O)=O)=CC=C(N)C(C)=C1
LogP(분배 계수)0.076 at 25℃
EPABenzenesulfonic acid, 4-amino-3-methyl- (98-33-9)

안전 및 규제

GHS 분류WarningH315 (15.8%): Causes skin irritation [Warning Skin corrosion/irritation]P261, P264, P264+P265, P272, P273, P280, P302+P352, P305+P351+P338, P321, P332+P317, P333+P317, P337+P317, P362+P364, and P501 (click each P-code to see the statement)Aggregated GHS information provided per 133 reports by companies from 8 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.
규제 정보Chemical: Benzenesulfonic acid, 4-amino-3-methyl-Status: Active Update: 11-01-2018 https://echa.europa.eu/registration-dossier/-/registered-dossier/17643
Hazard Classes and CategoriesSkin Irrit. 2 (15.8%)
TSCA 등재 상태TSCA listed
운송 번호(UN)2811
관세 코드2921420090
위험 문구(R)45-34
위험 표시T
안전 문구(S)53-26-36/37/39-45
포장분류III
위험 등급8

용도

개요

2-Aminotoluene-5-sulfonic acid is prepared from o-toluidine and 98 % H2SO4 via the sulfate, which is then baked. The sodium salt can be isolated after liming and precipitation of calcium sulfate. The solution can be used directly in the manufacture of dyes.