Molekula
2-Butanol
Supplying 4,500+ customers in over 80 countries
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 1999 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need
2-Butanol is a secondary alcohol with the formula CH3CH2CH(OH)CH3, widely used as a solvent, intermediate in chemical synthesis, and in the production of esters, perfumes, and pharmaceuticals. It is also employed in cleaning formulations and as a fuel additive. This clear, colorless liquid has a CAS number of 78-92-2 and a molecular weight of 74.12, with a signal word of Warning for safety classification. It is stable at ambient storage conditions.
Molekula supplies 2-Butanol at ≥98.6% purity in 500 mL packs, from £46.08 inc. VAT. It is in stock for same-day dispatch. Every batch ships with a certificate of analysis, and safety data sheets are available in 5 languages. Larger quantities, up to multi-tonne, are quoted on request.
Example image for illustration only. Other packaging and pack sizes are available.
Pricing & pack sizes
In stock — same-day dispatch
These pack sizes aren't a limit. Molekula manufactures, sources and repacks to order — if you need 500 kg and only see 1 kg listed, . We quote from grams to multi-tonne.
Need a different size? Add the nearest pack and change the size in your basket — we price it at the same rate per unit.
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500 mL — £38.40 per pack ex VAT · £46.08 inc. VAT
Need a different quantity or pack?
Tell us how much you need and when — drums, IBCs, sacks or a one-off bulk lot. We'll manufacture or source it and come back with a price.
Prices exclude VAT/sales tax and shipping.
Specifications
| Property | Value |
|---|---|
| Appearance | colourless, clear |
| Boiling Point | >98°C |
| Water | ≤0.2% |
| Assay | ≥98.6% |
| Isopropanol | <0.2% |
| Residue on Evaporation | <0.5% |
| Refractive Index (20ºC) | 1.395-1.398 |
| Chroma | ≤10 |
| Relative Density (20 °C) | 0.804-0.808 g/cm3 |
| tert-Butanol | <0.2% |
| Dibutyl ether | <0.2% |
| Free Acid (as C4H8O2) | <0.1% |
| Butanone | <0.2% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Flash Point | 27 °C |
| Transport Class | 3 |
| Packing Group | III |
| Acidity | Neutral |
Literature values
Published physical properties of the substance, not batch specifications.
| Property | Value |
|---|---|
| Appearance | Colorless liquid |
| Odour | Has a strong vinous odor |
| Melting Point | -114.7 °C |
| Boiling Point | 99.5 °C |
| Density | 0.81 (relative, water = 1) |
| Solubility (other solvents) | Very soluble in acetone; miscible in ethanol and ethyl ether |
| Vapour Pressure | 1.7 kPa at 20 °C |
| Refractive Index | 1.3978 |
| pKa | pKa = 17.6 (at 25 °C) |
| log P (octanol/water) | 0.61 |
Source: PubChem CID 6568 (HSDB, DrugBank, ICSC)
Identification
| Property | Value |
|---|---|
| SKU | 34401929 |
| CAS Number | 78-92-2 |
| IUPAC Name | butan-2-ol |
| EC Number | 201-158-5 |
| Molecular Formula | CH3CH2CH(OH)CH3 |
| Molecular Weight | 74.12 |
| Exact Mass | 74.0732 |
| SMILES | CCC(C)O |
| InChIKey | BTANRVKWQNVYAZ-UHFFFAOYSA-N |
| InChI | InChI=1S/C4H10O/c1-3-4(2)5/h4-5H,3H2,1-2H3 |
| PubChem CID | 6568 |
| UN Number | UN1120 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 29051450 |
| Tariff Code | 2905149000 |
Safety & GHS
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Flammable
GHS02
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Health Hazard
GHS07
Hazard statements
- H226 Flammable liquid and vapour
- H319 Causes serious eye irritation
- H335 May cause respiratory irritation
- H336 May cause drowsiness or dizziness
Precautionary statements
- P210 Keep away from heat/sparks/open flames/hot surfaces - No smoking
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P304+340 IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing
- P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
- P308+313 IF exposed or concerned: Get medical advice/attention
- P337+313 If eye irritation persists get medical advice/attention
Documents
Safety Data Sheets (SDS)
Available in English, French, German, Italian, Spanish.
Certificate of Analysis (CoA) by batch
Enter a lot or batch number to retrieve the CoA for that specific batch. We can generate one from spec data if no PDF is on file.
Quality certificates
Molekula Group is certified to ISO 9001:2015 (quality) and ISO 14001:2015 (environmental management), audited by a UKAS-accredited body. Both certificates are valid to 17 May 2028.
Synonyms
- 1-Methyl-1-propanol
- 1-Methylpropyl alcohol
- 2-Butyl alcohol
- Butan-2-ol
- Butanol secondaire
- Butylene hydrate
- Ethyl methyl carbinol
- Methyl ethyl carbinol
- sec-Butanol
- SEC-BUTYL ALCOHOL
Frequently asked questions
What is 2-Butanol commonly used for?
2-Butanol is primarily used as a solvent in coatings, adhesives, and cleaning products, as well as an intermediate in the production of methyl ethyl ketone (MEK), sec-butyl acetate and other chemicals.
What is the chemical formula and molecular weight of 2-Butanol?
The chemical formula is CH₃CH₂CH(OH)CH₃, and the molecular weight is 74.12 g/mol.
How should 2-Butanol be stored?
Store in a tightly sealed container at ambient temperature, away from ignition sources and incompatible materials.
What grades of 2-Butanol does Molekula supply?
Molekula supplies 2-Butanol to a specification of assay ≥98.6%; contact us for specific purity requirements.
Can Molekula supply 2-Butanol in bulk quantities?
Yes, we offer bulk packaging options (e.g., drums, IBCs) for large-scale orders—please inquire for availability.
What documentation comes with a 2-Butanol order?
Each order includes a Certificate of Analysis (CoA), Safety Data Sheet (SDS), and batch-specific documentation.
Where can I buy 2-Butanol?
Directly from Molekula, which lists 2-Butanol in 500 mL packs from £46.08 inc. VAT, with a certificate of analysis for every batch. Larger quantities are quoted on request. Molekula's offices: United Kingdom, France, Spain, Germany, Italy, United States and China.
Is 2-Butanol dangerous goods for shipping?
Yes. 2-Butanol ships as dangerous goods: UN1120, class 3, packing group III.
Ready to order or need a custom pack?
Tell us the product, grade, and quantity — Molekula usually responds within one working day with pricing and lead time.