3-Methoxy-1,2-propanediol
3-Methoxy-1,2-propanediol (CAS: 623-39-2), with the linear formula CH3OCH2CH(OH)CH2OH and a molecular weight of 106.12 g/mol, is a diol derivative. It serves as a valuable intermediate and building block in various chemical syntheses. Its structure lends itself to applications in polymer science and materials development, acting as a monomer or component in the creation of specialized materials.
- Synonyms
- 3-Methoxy-1,2-propanediol1,2-Propanediol, 3-methoxy-

Polymer Synthesis
This diol can be incorporated into polymer chains, contributing specific properties such as flexibility or solubility to the final material. It acts as a monomer or co-monomer in the production of polyesters, polyurethanes, and other polymeric systems.
Materials Science
As a chemical building block, 3-Methoxy-1,2-propanediol is utilised in the development of novel materials. Its functional groups allow for tailored modifications and integration into complex material architectures.
Chemical Intermediate
It functions as a versatile intermediate in organic synthesis. The hydroxyl and ether functionalities make it suitable for further chemical transformations leading to more complex molecules.
| Molecular weight | 106.12 |
|---|---|
| Linear formula | CH3OCH2CH(OH)CH2OH |
| Assay | 98% |
| Boiling point | 220 °C(lit.) |
| Density | 1.114 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.444(lit.) |
| Protective equipment | Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter |
|---|---|
| Flash point | >113 °C / >235.4 °F |
| Water hazard class (WGK, DE) | 3 |
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 3-Methoxy-1,2-propanediol used for?
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3-Methoxy-1,2-propanediol is primarily used as a chemical intermediate and building block in organic synthesis, particularly in polymer science and materials development. It functions as a monomer in the synthesis of various polymers.
What is the CAS number and chemical formula for 3-Methoxy-1,2-propanediol?
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The CAS number for 3-Methoxy-1,2-propanediol is 623-39-2, and its linear chemical formula is CH3OCH2CH(OH)CH2OH.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 3-Methoxy-1,2-propanediol with an assay of 98%. This is a technical grade product and TSS does not represent it as USP, BP, EP, or any other pharmacopoeia grade.
What are the safety precautions for handling 3-Methoxy-1,2-propanediol?
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Handling requires appropriate personal protective equipment, including eyeshields and gloves. A type N95 (US) or type P1 (EN143) respirator filter is recommended. The flash point is above 113 °C (235.4 °F).
How is 3-Methoxy-1,2-propanediol shipped and exported?
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Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals, and can accommodate various shipping and export requirements for 3-Methoxy-1,2-propanediol.
How can I request a sample or quote for 3-Methoxy-1,2-propanediol?
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To request a sample or a quote for 3-Methoxy-1,2-propanediol, please contact our sales team through the website or by phone.
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