3-Methyl-1,3-butanediol
3-Methyl-1,3-butanediol (CAS: 2568-33-4) is a diol with the molecular formula C5H12O2 and a molecular weight of 104.15 g/mol. This organic compound, also known by its linear formula (CH3)2C(OH)CH2CH2OH, serves as a valuable building block in chemical synthesis. Its properties make it useful in the production of various organic compounds and potentially in the formulation of specialized materials.
- Synonyms
- (CH3)2C(OH)CH2CH2OH

Organic Synthesis Intermediate
3-Methyl-1,3-butanediol acts as a versatile intermediate in the synthesis of more complex organic molecules. Its diol functionality allows for various reactions, contributing to the creation of diverse chemical structures for research and industrial applications.
Building Block for Specialty Chemicals
As an organic building block, this compound can be incorporated into the synthesis of specialty chemicals. Its structure lends itself to modifications for developing novel materials or chemical entities with specific properties.
Research and Development
Utilised in laboratory settings for research and development purposes, 3-Methyl-1,3-butanediol supports the exploration of new chemical pathways and the creation of novel compounds.
| Molecular weight | 104.15 |
|---|---|
| Linear formula | (CH3)2C(OH)CH2CH2OH |
| Assay | ≥97.0% (GC) |
| Boiling point | 203-205 °C(lit.) |
| Density | 0.976 g/mL at 20 °C(lit.) |
| Refractive index | n20/D 1.442 |
| Impurities tested | ≤1% water |
| Protective equipment | Eyeshields, Gloves |
|---|---|
| Flash point | 105 °C / 221 °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-Methyl-1,3-butanediol used for?
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3-Methyl-1,3-butanediol is primarily used as a building block in organic synthesis and for the production of specialty chemicals. It also finds application in research and development laboratories.
What are the CAS number and molecular formula for 3-Methyl-1,3-butanediol?
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The CAS number for 3-Methyl-1,3-butanediol is 2568-33-4, and its molecular formula is (CH3)2C(OH)CH2CH2OH.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 3-Methyl-1,3-butanediol with an assay of ≥97.0% (GC). We do not represent this product as USP, BP, or EP grade.
What are the safety considerations when handling 3-Methyl-1,3-butanediol?
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When handling 3-Methyl-1,3-butanediol, it is essential to use safety measures such as eyeshields and gloves. The substance has a flash point of 105 °C (221 °F) and is classified under WGK Germany 3.
How is 3-Methyl-1,3-butanediol packed and shipped?
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Tech Serve Solutions exports fine chemicals globally, adhering to all necessary regulations for safe and compliant transportation of chemical products.
How can I request a sample or quote for 3-Methyl-1,3-butanediol?
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To request a sample or a quote for 3-Methyl-1,3-butanediol, please contact our sales department through the provided channels on the Tech Serve Solutions website.
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