3-Methyl-2-butanol
3-Methyl-2-butanol (CAS 598-75-4) is a secondary alcohol with the linear formula (CH3)2CHCH(OH)CH3 and a molecular weight of 88.15 g/mol. It is a colourless liquid utilised as a chemical intermediate and solvent in organic synthesis. Its characteristic properties make it a useful building block in the preparation of various organic compounds.
- IUPAC
- Isopropyl methyl carbinol
- Synonyms
- Isopropyl methyl carbinol

Organic Synthesis Intermediate
Serves as a versatile building block in the synthesis of more complex organic molecules. Its secondary alcohol functionality allows for various reactions, including oxidation and esterification.
Solvent Applications
Utilised as a solvent in specific chemical processes due to its moderate polarity and boiling point. It can be employed in reactions where a specific solvency profile is required.
Chemical Research and Development
Used in laboratory settings for research purposes, facilitating the exploration of new chemical pathways and the development of novel compounds.
| Molecular weight | 88.15 |
|---|---|
| Linear formula | (CH3)2CHCH(OH)CH3 |
| Assay | ≥98.0% (GC) |
| Grade | purum |
| Boiling point | 112 °C(lit.) |
| Density | 0.818 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.409(lit.)n20/D 1.409 |


Hazard statements
- H226Flammable liquid and vapour
- H332Harmful if inhaled
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
| Protective equipment | Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 34 °C / 93.2 °F |
| Transport (UN / ADR) | UN 1105 3 / PGIII |
| Water hazard class (WGK, DE) | 1 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 10-20-37-66 |
| Safety statements (S) | 46 |
| Supplemental hazards | Repeated exposure may cause skin dryness or cracking. |
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-2-butanol used for?
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3-Methyl-2-butanol is primarily used as an intermediate in organic synthesis and as a solvent in specific chemical processes. It is also valuable for chemical research and development.
What are the CAS number and chemical formula for 3-Methyl-2-butanol?
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The CAS number for 3-Methyl-2-butanol is 598-75-4, and its linear chemical formula is (CH3)2CHCH(OH)CH3.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 3-Methyl-2-butanol with a purity of ≥98.0% (GC), as indicated by the 'purum' grade. We do not represent this product as USP, BP, or EP grade.
How should 3-Methyl-2-butanol be handled safely?
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3-Methyl-2-butanol is a flammable liquid (flash point 34°C) and can cause respiratory irritation (H335) and be harmful if inhaled (H332). Handle in a well-ventilated area, away from ignition sources, and use appropriate personal protective equipment including eyeshields and gloves. Repeated exposure may cause skin dryness or cracking (supplemental hazard statement).
How is 3-Methyl-2-butanol packed and shipped?
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3-Methyl-2-butanol is packed according to relevant safety and transport regulations for flammable liquids. As a global supplier, Tech Serve Solutions exports this chemical worldwide.
How can I request a sample or quote for 3-Methyl-2-butanol?
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Please contact our sales department via the website or telephone to request a sample or a formal quotation for 3-Methyl-2-butanol.
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