2,5-Dimethoxythiophenol
2,5-Dimethoxythiophenol (CAS: 1483-27-8) is an organic sulfur compound with the linear formula (CH3O)2C6H3SH and a molecular weight of 170.23 g/mol. Supplied at 98% purity, this chemical serves as a valuable building block in organic synthesis. It is primarily utilised in chemical research and development for the creation of more complex molecules, particularly within the pharmaceutical and material science sectors.
- IUPAC
- 2,5-Dimethoxybenzenethiol
- Synonyms
- (CH3O)2C6H3SH2,5-Dimethoxybenzenethiol

Organic Synthesis
Utilised as a key intermediate or building block in the construction of novel organic molecules. Its thiol group allows for various coupling and functionalization reactions.
Pharmaceutical Research
Serves as a precursor in the development of new drug candidates. The specific structural features of 2,5-dimethoxythiophenol can impart unique properties to target compounds.
Material Science
Employed in the synthesis of specialised materials where its sulfur and methoxy functionalities can be leveraged for specific properties.
| Molecular weight | 170.23 |
|---|---|
| Linear formula | (CH3O)2C6H3SH |
| Assay | 98% |
| Boiling point | 88-90 °C/0.5 mmHg(lit.) |
| Density | 1.134 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.5860(lit.) |

Hazard statements
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
| Protective equipment | Eyeshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Transport (UN / ADR) | UN 3334 |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38 |
| Safety statements (S) | 26-36 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is 2,5-Dimethoxythiophenol used for?
+
2,5-Dimethoxythiophenol is primarily used as a building block in organic synthesis, particularly in pharmaceutical research and material science for creating complex organic molecules.
What is the CAS number and formula for 2,5-Dimethoxythiophenol?
+
The CAS number for 2,5-Dimethoxythiophenol is 1483-27-8 and its linear formula is (CH3O)2C6H3SH.
What grade and purity does Tech Serve Solutions supply?
+
Tech Serve Solutions supplies 2,5-Dimethoxythiophenol with an assay of 98%. We do not represent this product as USP, BP, or EP grade.
What are the safety and handling considerations for 2,5-Dimethoxythiophenol?
+
2,5-Dimethoxythiophenol is a Warning substance that causes skin irritation (H315), serious eye irritation (H319), and may cause respiratory irritation (H335). Appropriate personal protective equipment, including eyeshields and suitable gloves, should be worn. Ensure adequate ventilation or use a respirator.
How is 2,5-Dimethoxythiophenol packed and exported?
+
2,5-Dimethoxythiophenol is carefully packed to maintain its integrity during transit. Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals.
How can I request a quote or sample for 2,5-Dimethoxythiophenol?
+
To request a quote or sample, please contact our sales team through the website or by phone. Details are available in the 'Contact Us' section.
▶ Related products

1-(2-Fluorobenzyl)piperazine
C11H15FN2
Chemical Synthesis
1-(2-Fluorophenyl)biguanide hydrochloride
Chemical Synthesis

1-(2-Fluorophenyl)cyclopropanecarboxylic acid
C10H9FO2
Chemical Synthesis
1-(2-Fluorophenyl)piperazine
C10H13FN2
Chemical Synthesis
1-(2-Fluorophenyl)piperazine monohydrochloride
C10H13FN2 · HCl
Chemical Synthesis
1-(2-Furoyl)-1H-benzotriazole
C11H7N3O2
Chemical Synthesis
1-(2-Furoyl)piperazine
C9H12N2O2
Chemical Synthesis
1-(2-Hydroxy-5-methylphenyl)-3-phenyl-1,3-propanedione
Chemical Synthesis
▶ Explore more

3-Methyl-1,5-di-p-tolyl-1,4-pentazadiene
Chemical Synthesis

3-Methyl-1,5-pentanediol
Chemical Synthesis

3-Methyl-1-(2-methylphenyl)-1H-pyrazol-5-amine
C11H13N3
Chemical Synthesis
3-Methyl-1-(3′-sulfoamidophenyl)-5-pyrazolone
C10H11N3O3S
Chemical Synthesis