4-Methoxythioanisole

CAS 1879-16-9CH3OC6H4SCH3Chemical Synthesis

4-Methoxythioanisole (CAS: 1879-16-9) is an organic chemical compound with the formula CH3OC6H4SCH3. It serves as a valuable building block in organic synthesis and chemical research. This sulfur-containing aromatic compound finds utility in the preparation of more complex molecules, contributing to advancements in various chemical fields. Its distinct chemical structure makes it a useful intermediate for specialised synthetic pathways.

IUPAC: 1-Methoxy-4-(methylthio)benzene

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4-Methoxythioanisole (CH3OC6H4SCH3) — chemical structure, CAS 1879-16-9; Chemistry, fine chemical supplied by Tech Serve Solutions

Building BlocksChemical SynthesisOrganic Building BlocksSulfides/DisulfidesSulfur Compounds

01 /Applications

Organic Synthesis Intermediate

4-Methoxythioanisole acts as a key intermediate in the synthesis of various organic compounds. Its structure allows for diverse chemical transformations, making it suitable for building complex molecular architectures.

Preparation of Sulfinyl Compounds

This compound has been documented for its use in the preparation of 1-methoxy-4-(methylsulfinyl)benzene. This demonstrates its utility in the synthesis of sulfur-oxidised organic molecules.

Research and Development

As a readily available organic building block, 4-Methoxythioanisole is employed in academic and industrial research laboratories for exploring novel chemical reactions and developing new materials.

02 /Properties

Molecular weight	154.23
Linear formula	CH3OC6H4SCH3
Assay	97%
Boiling point	99 °C/4 mmHg(lit.)
Density	1.11 g/mL at 25 °C(lit.)
Refractive index	n20/D 1.5795(lit.)
Application	4-Methoxythioanisole has been used in preparation of 1-methoxy-4-(methylsulfinyl)benzene1.
Melting point	22-23 °C(lit.)

03 /Safety & handling

GHS hazard pictogram: Harmful / irritant (GHS07) — Harmful / irritant

Warning

Hazard statements

H302Harmful if swallowed
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	dust mask type N95 (US), Eyeshields, Gloves
Flash point	108 °C / 226.4 °F
Transport (UN / ADR)	UN 3335
Water hazard class (WGK, DE)	3
Hazard codes (EU)	Xn
Risk statements (R)	22-36/37/38
Safety statements (S)	26

Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.

04 /Identifiers & registry

CAS number

1879-16-9

MDL number

MFCD00010587

PubChem substance

24855655

05 /Quality & supply

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.

06 /Frequently asked questions

What is 4-Methoxythioanisole used for?

4-Methoxythioanisole is used as a building block in organic synthesis and chemical research, notably in the preparation of 1-methoxy-4-(methylsulfinyl)benzene.

What are the CAS number and chemical formula for 4-Methoxythioanisole?

The CAS number is 1879-16-9, and the chemical formula is CH3OC6H4SCH3.

What grade and purity does Tech Serve Solutions supply for 4-Methoxythioanisole?

Tech Serve Solutions supplies 4-Methoxythioanisole with an assay of 97%. We do not represent this product as USP, BP, EP, or any other pharmacopoeia grade.

How should 4-Methoxythioanisole be handled safely?

4-Methoxythioanisole is a Warning substance with hazards H302, H315, H319, and H335. Recommended personal protective equipment includes a dust mask type N95 (US), eyeshields, and gloves. Avoid breathing dust/fume/gas/mist/vapours/spray and ensure adequate ventilation.