3-(Methylmercapto)aniline

Modify Date: 2026-07-02 12:18:33

3-(Methylmercapto)aniline Structure
3-(Methylmercapto)aniline structure
Common Name 3-(Methylmercapto)aniline
CAS Number 1783-81-9 Molecular Weight 139.218
Density 1.1±0.1 g/cm3 Boiling Point 292.6±0.0 °C at 760 mmHg
Molecular Formula C7H9NS Melting Point N/A
MSDS Chinese USA Flash Point 113.9±22.6 °C
Symbol GHS07
GHS07
Signal Word Warning

Summary: 3-aminobenzene sulfide (3-methylsulfanylaniline), Chinese name: 3-氨基茴香硫醚, CAS number: 1783-81-9, molecular formula: C7H9NS, molecular weight: 139.218. It is a transparent dark brown liquid with a boiling point of 292.6±0.0 °C and a density of 1.1±0.1 g/cm3. For research-use only, not for medical or clinical usage.


 Names

This table lists Chinese names, IUPAC names and various aliases of this chemical substance.

Name 3-methylsulfanylaniline
Synonym More Synonyms

 Chemical & Physical Properties

This table shows physicochemical parameters including melting point, boiling point, density, solubility and optical rotation. Missing data is marked as N/A.

Density 1.1±0.1 g/cm3
Boiling Point 292.6±0.0 °C at 760 mmHg
Molecular Formula C7H9NS
Molecular Weight 139.218
Flash Point 113.9±22.6 °C
Exact Mass 139.045563
PSA 51.32000
LogP 1.45
Vapour Pressure 0.0±0.6 mmHg at 25°C
Index of Refraction 1.612
InChIKey KCHLDNLIJVSRPK-UHFFFAOYSA-N
SMILES CSc1cccc(N)c1

 MSDS

This table provides MSDS information including hazard classification, first‑aid, fire‑fighting, spill handling, operation and storage instructions.

 Toxicological Information

This table summarizes toxicological test data, acute & chronic toxicity and ecological hazard parameters for this chemical.

CHEMICAL IDENTIFICATION

RTECS NUMBER :
BY6301000
CHEMICAL NAME :
Aniline, m-(methylthio)-
CAS REGISTRY NUMBER :
1783-81-9
BEILSTEIN REFERENCE NO. :
2078599
LAST UPDATED :
199701
DATA ITEMS CITED :
3
MOLECULAR FORMULA :
C7-H9-N-S

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Bird - quail
DOSE/DURATION :
750 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
AECTCV Archives of Environmental Contamination and Toxicology. (Springer-Verlag New York, Inc., Service Center, 44 Hartz Way, Secaucus, NJ 070944) V.1- 1973- Volume(issue)/page/year: 12,355,1983
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Bird - wild bird species
DOSE/DURATION :
750 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
AECTCV Archives of Environmental Contamination and Toxicology. (Springer-Verlag New York, Inc., Service Center, 44 Hartz Way, Secaucus, NJ 070944) V.1- 1973- Volume(issue)/page/year: 12,355,1983

 Safety Information

This table covers safety warnings, protective measures, incompatible substances and disposal guidelines for this compound.

Symbol GHS07
GHS07
Signal Word Warning
Hazard Statements H315-H319-H335
Precautionary Statements P261-P305 + P351 + P338
Personal Protective Equipment Eyeshields;full-face respirator (US);Gloves;multi-purpose combination respirator cartridge (US);type ABEK (EN14387) respirator filter
Hazard Codes Xi:Irritant;
Risk Phrases R36/37/38
Safety Phrases S26-S37/39
RIDADR UN 2810 6.1/PG 3
WGK Germany 3
RTECS BY6301000
Hazard Class 6.1
HS Code 2930909090

 Customs

This table shows customs‑related data including HS‑code, tariff and regulatory conditions for import and export.

HS Code 2930909090
Summary 2930909090. other organo-sulphur compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0%

 Articles2

More Articles

This table lists relevant public references with title, journal and publication metadata for this compound.

Selective COX-2 inhibitors. Part 1: synthesis and biological evaluation of phenylazobenzenesulfonamides.

Bioorg. Med. Chem. Lett. 16 , 4440-3, (2006)

A series of phenylazobenzenesulfonamide derivatives were designed and synthesized for the evaluation as selective cyclooxygenase-2 (COX-2) inhibitors in a cellular assay using human whole blood (HWB) ...

Microbial Flavoprotein Monooxygenases as Mimics of Mammalian Flavin-Containing Monooxygenases for the Enantioselective Preparation of Drug Metabolites.

Drug Metab. Dispos. 44 , 1270-6, (2016)

Mammalian flavin-containing monooxygenases, which are difficult to obtain and study, play a major role in detoxifying various xenobiotics. To provide alternative biocatalytic tools to generate flavin-...

 Synonyms

This table collects all English aliases, systematic names and CAS‑related synonyms of the compound.

m-Aminophenyl methyl sulfide
EINECS 217-232-5
3-(Methylsulfanyl)aniline
3-(Methylmercapto)aniline
3-methylthiophenylamine
m-Aminothioanisole
3-Methylthiobenzenamine
3-Aminothioanisole
3-Methylmercaptoaniline
3-(Methylthio)aniline
MFCD00007793
m-thioanisidine

 3-(Methylmercapto)aniline | FAQ

This section contains frequently‑asked‑questions about this compound, including basic parameters, properties, storage conditions and corresponding answers.

Q: What English synonyms does 3-methylsulfanylaniline have?
A: English synonyms of 3-methylsulfanylaniline: m-Aminophenyl methyl sulfide, EINECS 217-232-5, 3-(Methylsulfanyl)aniline, 3-(Methylmercapto)aniline, 3-methylthiophenylamine, m-Aminothioanisole, 3-Methylthiobenzenamine, 3-Aminothioanisole, 3-Methylmercaptoaniline, 3-(Methylthio)aniline, MFCD00007793, m-thioanisidine.
Q: What is the boiling point of 3-methylsulfanylaniline?
A: Boiling point of 3-methylsulfanylaniline is 292.6±0.0 °C at 760 mmHg.
Q: What is the English name of 3-methylsulfanylaniline?
A: The English name of 3-methylsulfanylaniline is 3-methylsulfanylaniline.
Q: What is the SMILES notation of 3-methylsulfanylaniline?
A: SMILES notation of 3-methylsulfanylaniline is CSc1cccc(N)c1.
Q: What is the molecular formula of 3-methylsulfanylaniline?
A: Molecular formula of 3-methylsulfanylaniline is C7H9NS.
Q: What is the polar surface area (PSA) of 3-methylsulfanylaniline?
A: Polar surface area (PSA) of 3-methylsulfanylaniline is 51.32000.
Q: What is the molecular weight of 3-methylsulfanylaniline?
A: Molecular weight of 3-methylsulfanylaniline is 139.218.
Q: What is the LogP of 3-methylsulfanylaniline?
A: LogP of 3-methylsulfanylaniline is 1.45.
Q: What is the CAS number of 3-methylsulfanylaniline?
A: CAS number of 3-methylsulfanylaniline is 1783-81-9.
Q: What is the InChIKey of 3-methylsulfanylaniline?
A: InChIKey of 3-methylsulfanylaniline is KCHLDNLIJVSRPK-UHFFFAOYSA-N.

 3-(Methylmercapto)anilinefactory

This table lists manufacturers and suppliers of this compound, including vendor names and product supply reference information.

Shanghai Nianxing Industrial Co., Ltd
Dayang Chem (Hangzhou) Co., Ltd.
Henan Tianfu Chemical Co., Ltd.
Zhongshan Xingrui Chemical Co. , Ltd.
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