2,2-Dimethyl-1-propanol
2,2-Dimethyl-1-propanol (CAS: 75-84-3), also known as neopentyl alcohol, is a primary alcohol with the molecular formula (CH3)3CCH2OH and a molar mass of 88.15 g/mol. This compound is a white crystalline solid at room temperature. It serves as a valuable building block in organic synthesis, finding utility in the production of various chemical intermediates and specialised organic compounds. Its unique structure lends itself to specific reactions in research and industrial chemistry.
- IUPAC
- tert-Butyl carbinol,Neopentyl alcohol
- Synonyms
- (CH3)3CCH2OHtert-Butyl carbinolNeopentyl alcohol

Organic Synthesis Intermediate
2,2-Dimethyl-1-propanol is employed as a precursor and building block in the synthesis of more complex organic molecules. Its sterically hindered primary alcohol functionality allows for selective reactions in the preparation of fine chemicals and pharmaceutical intermediates.
Research and Development
This compound is utilised in academic and industrial research laboratories for exploring new chemical pathways and developing novel compounds. Its defined structure makes it useful for studying reaction mechanisms and developing new synthetic methodologies.
Specialty Chemical Production
Neopentyl alcohol can be used in the manufacture of specialty chemicals, including certain esters and ethers, where its branched alkyl group contributes to specific physical or chemical properties.
| Molecular weight | 88.15 |
|---|---|
| Linear formula | (CH3)3CCH2OH |
| Assay | ≥97.0% (GC) |
| Grade | purum |
| Boiling point | 113-114 °C(lit.) |
| Density | 0.818 g/mL at 25 °C(lit.) |
| Vapour pressure | 16 mmHg (20 °C) |
| Melting point | 52-56 °C(lit.)52-56 °C |


Hazard statements
- H228Flammable solid
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P210Keep away from heat, sparks and open flames. No smoking
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
| Protective equipment | Eyeshields, full-face particle respirator type N100 (US), Gloves, respirator cartridge type N100 (US), type P1 (EN143) respirator filter, type P3 (EN 143) respirator cartridges |
|---|---|
| Flash point | 28 °C / 82.4 °F |
| Transport (UN / ADR) | UN 1325 4.1 / PGII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 10-36/37 |
| Safety statements (S) | 16-26-36/37 |
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 2,2-Dimethyl-1-propanol used for?
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2,2-Dimethyl-1-propanol is used as a building block in organic synthesis, in research and development laboratories, and in the production of specialty chemicals.
What is the CAS number and formula for 2,2-Dimethyl-1-propanol?
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The CAS number is 75-84-3 and the linear formula is (CH3)3CCH2OH.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 2,2-Dimethyl-1-propanol at a grade of 'purum' with an assay of 97.0% (GC). We do not represent this product as USP, BP, or EP grade.
How should 2,2-Dimethyl-1-propanol be handled safely?
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2,2-Dimethyl-1-propanol is flammable and can cause serious eye irritation and respiratory irritation. Handle in a well-ventilated area away from ignition sources, wearing appropriate personal protective equipment including eyeshields and gloves. Refer to the safety data sheet for full details.
How is 2,2-Dimethyl-1-propanol packed and exported?
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Tech Serve Solutions, as a specialist global supplier, offers 2,2-Dimethyl-1-propanol packed and exported according to international shipping regulations for hazardous materials (UN 1325, 4.1/PGII).
How can I request a sample or quote for 2,2-Dimethyl-1-propanol?
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To request a sample or a quote for 2,2-Dimethyl-1-propanol, please contact our sales team via the website or by phone, providing your specific requirements.
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