4-METHOXYBENZENETHIOL
Synonym(s):4-Mercaptoanisole;4-Methoxybenzenethiol
- CAS NO.：696-63-9
- Empirical Formula: C7H8OS
- Molecular Weight: 140.2
- MDL number: MFCD00004849
- EINECS: 211-799-2
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-05-28 00:28:19
What is 4-METHOXYBENZENETHIOL?
Chemical properties
Colorless light yellow liquid.
The Uses of 4-METHOXYBENZENETHIOL
4-Methoxythiophenol is used in preparing samples for self-assembled monolayers (SAM?s) characterization and to study SAM?s effect on both n- and p-channel organic thin film transistors. It is also used in cesium fluoride-Celite catalyzed preparation of thioethers and thioesters.
Synthesis Reference(s)
The Journal of Organic Chemistry, 49, p. 2637, 1984 DOI: 10.1021/jo00188a028
Properties of 4-METHOXYBENZENETHIOL
| Melting point: | 291.7-295.8 °C (decomp) |
| Boiling point: | 100-103 °C/13 mmHg (lit.) |
| Density | 1.14 g/mL at 25 °C (lit.) |
| refractive index | n |
| Flash point: | 205 °F |
| storage temp. | Keep in dark place,Inert atmosphere,Room temperature |
| solubility | Not miscible or difficult to mix. |
| form | Liquid |
| pka | 6.76±0.10(Predicted) |
| Specific Gravity | 1.140 |
| color | Clear colorless to light yellow |
| Sensitive | Stench |
| BRN | 1446910 |
| CAS DataBase Reference | 696-63-9(CAS DataBase Reference) |
Safety information for 4-METHOXYBENZENETHIOL
| Signal word | Warning |
| Pictogram(s) |
 Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation |
| Precautionary Statement Codes |
P261:Avoid breathing dust/fume/gas/mist/vapours/spray. P280:Wear protective gloves/protective clothing/eye protection/face protection. P301+P312:IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. |
Computed Descriptors for 4-METHOXYBENZENETHIOL
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