3-(Methylthio)aniline
- CAS No.
- 1783-81-9
- Chemical Name:
- 3-(Methylthio)aniline
- Synonyms
- 3-AMINOTHIOANISOLE;3-(methylthio)benzenamine;AKOS 91141;3-Methylthio;M-THIOANISIDINE;3-Aminothionisole;M-AMINOTHIOANISOLE;3-(METHYLTHIO)ANILIN;M-(METHYLTHIO)ANILINE;m-(methylthio)-anilin
- CBNumber:
- CB3154245
- Molecular Formula:
- C7H9NS
- Molecular Weight:
- 139.22
- MDL Number:
- MFCD00007793
- MOL File:
- 1783-81-9.mol
- MSDS File:
- SDS
| Boiling point | 163-165 °C16 mm Hg(lit.) |
|---|---|
| Density | 1.13 g/mL at 25 °C(lit.) |
| vapor pressure | 1.66Pa at 25℃ |
| refractive index |
n |
| Flash point | >230 °F |
| storage temp. | Keep in dark place,Inert atmosphere,Room temperature |
| pka | 3.96±0.10(Predicted) |
| form | clear liquid |
| color | Colorless to Light orange to Yellow |
| Specific Gravity | 1/130 |
| BRN | 2078599 |
| InChI | 1S/C7H9NS/c1-9-7-4-2-3-6(8)5-7/h2-5H,8H2,1H3 |
| InChIKey | KCHLDNLIJVSRPK-UHFFFAOYSA-N |
| SMILES | CSc1cccc(N)c1 |
| LogP | 1.68 |
| CAS DataBase Reference | 1783-81-9(CAS DataBase Reference) |
| EWG's Food Scores | 1 |
| NIST Chemistry Reference | 3-CH3SC6H4NH2(1783-81-9) |
| EPA Substance Registry System | m-(Methylthio)aniline (1783-81-9) |
| UNSPSC Code | 12352100 |
| NACRES | NA.22 |
SAFETY
Risk and Safety Statements
| Symbol(GHS) | ![]() GHS07 |
|||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Signal word | Warning | |||||||||
| Hazard statements | H315-H319-H335 | |||||||||
| Precautionary statements | P261-P264-P271-P280-P302+P352-P305+P351+P338 | |||||||||
| target organs | Respiratory system | |||||||||
| PPE | Eyeshields, Gloves, type ABEK (EN14387) respirator filter | |||||||||
| Hazard Codes | Xi | |||||||||
| Risk Statements | 36/37/38 | |||||||||
| Safety Statements | 26-37/39 | |||||||||
| RIDADR | UN 2810 6.1/PG 3 | |||||||||
| WGK Germany | 3 | |||||||||
| RTECS | BY6301000 | |||||||||
| F | 2-8-13 | |||||||||
| Hazard Note | Harmful | |||||||||
| TSCA | TSCA listed | |||||||||
| HazardClass | IRRITANT, STENCH | |||||||||
| HazardClass | 6.1 | |||||||||
| HS Code | 29309090 | |||||||||
| Storage Class | 10 - Combustible liquids | |||||||||
| Hazard Classifications | Eye Irrit. 2 Skin Irrit. 2 STOT SE 3 |
|||||||||
| Toxicity | LD50 orl-qal: 750 mg/kg AECTCV 12,355,83 | |||||||||
| REACH Registrations | Active | |||||||||
| NFPA 704 |
|
3-(Methylthio)aniline price More Price(35)
| Manufacturer | Product number | Product description | CAS number | Packaging | Price | Updated | Buy |
|---|---|---|---|---|---|---|---|
| Sigma-Aldrich | 144886 | 3-(Methylthio)aniline 97% | 1783-81-9 | 5g | $35.5 | 2026-04-30 | Buy |
| Sigma-Aldrich | 144886 | 3-(Methylthio)aniline 97% | 1783-81-9 | 1g | $28 | 2023-06-20 | Buy |
| TCI Chemical | M1673 | 3-(Methylthio)aniline >98.0%(GC)(T) | 1783-81-9 | 25g | $113 | 2026-04-30 | Buy |
| Apolloscientific | OR4782 | 3-(Methylthio)aniline >98% | 1783-81-9 | 25g | $24 | 2026-06-04 | Buy |
| Apolloscientific | OR4782 | 3-(Methylthio)aniline >98% | 1783-81-9 | 100g | $79 | 2026-06-04 | Buy |
3-(Methylthio)aniline Chemical Properties, Uses, Production
Chemical Properties
clear dark brown liquid
Uses
Pharmaceutical intermediate.
Uses
3-(Methylthio)aniline was used in the synthesis of phenyl azobenzene sulfonamide derivatives.
Hazard
See aniline.
Safety Profile
Moderately toxic by ingestion.When heated to decomposition it emits toxic vapors ofNOx and SOx.
Purification Methods
Purify the aniline by fractional distillation in an inert atmostphere. It has UV max at 226 and 300nm. [Bordwell & Cooper J Am Chem Soc 74 10581952.] The N-acetyl derivative has m 78-78.5o (from aqueous EtOH). The hydrochloride has m 260-261o (aqueous EtOH/HCl) or m 225-227o (EtOH/Et2O). [Beilstein 13 H 533, 13 III 1221, 13 IV 1289.]
3-(Methylthio)aniline Preparation Products And Raw materials
Raw materials
Preparation Products
| Supplier | Tel | Country | ProdList | Advantage | |
|---|---|---|---|---|---|
| nantong honglong | 13078814179 13078814179 | 2771867773@qq.com | China | 961 | 58 |
| Shanghai Boyle Chemical Co., Ltd. | 021-50182298 021-50180596 | sales@boylechem.com | China | 2202 | 55 |
| J & K SCIENTIFIC LTD. | 18210857532 18210857532 | jkinfo@jkchemical.com | China | 96815 | 76 |
| Meryer (Shanghai) Chemical Technology Co., Ltd. | 4006356688 18621169109 | market03@meryer.com | China | 40202 | 62 |
| 3B Pharmachem (Wuhan) International Co.,Ltd. | 18930552037 | 3bsc@sina.com | China | 15813 | 69 |
| Alfa Aesar | 400-6106006 | saleschina@alfa-asia.com | China | 30103 | 84 |
| TCI (Shanghai) Development Co., Ltd. | 021-67121386 | Sales-CN@TCIchemicals.com | China | 24512 | 81 |
| Energy Chemical | 400-0056266 | sales8178@energy-chemical.com | China | 44850 | 61 |
| Wuhan Chemwish Technology Co., Ltd | 86-027-67849912 | sales@chemwish.com | China | 35884 | 56 |
| Capot Chemical Co., Ltd | +86 (0) 571 85 58 67 18 | China | 18187 | 66 |
View Latest Price from 3-(Methylthio)aniline manufacturers
| Image | Update time | Product | Price | Min. Order | Purity | Supply Ability | Manufacturer | |
|---|---|---|---|---|---|---|---|---|
![]() |
2026-09-11 | 3-(Methylthio)aniline
1783-81-9
|
100G | 98%min | 30kg/month | WUHAN FORTUNA CHEMICAL CO., LTD | ||
![]() |
2026-03-20 | 3-(METHYLTHIO)ANILINE
1783-81-9
|
$10.00 | 1KG | 99% | 10 mt | Hebei Chuanghai Biotechnology Co., Ltd | |
![]() |
2024-04-27 | 3-(METHYLTHIO)ANILINE
1783-81-9
|
$20.00 | 1kg | 99.9% | 200000kg | Ouhuang Engineering Materials (Hubei) Co., Ltd |
-

- 3-(Methylthio)aniline
1783-81-9
- $0.00
- 98%min
- WUHAN FORTUNA CHEMICAL CO., LTD
-

- 3-(METHYLTHIO)ANILINE
1783-81-9
- $10.00
- 99%
- Hebei Chuanghai Biotechnology Co., Ltd
-

- 3-(METHYLTHIO)ANILINE
1783-81-9
- $20.00
- 99.9%
- Ouhuang Engineering Materials (Hubei) Co., Ltd
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