Molekula
1-Butanol ≥99.8%
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
1-Butanol (≥99.8%) is a clear, colorless, flammable alcohol widely used as a solvent in paints, coatings, and adhesives, as well as in pharmaceuticals, perfumes, and fuel additives. It is also a key intermediate in chemical synthesis and extraction processes. CAS 71-36-3, molecular formula CH3(CH2)3OH, molecular weight 74.12 g/mol. Store at ambient conditions. Signal word: Danger (flammable, harmful if swallowed, causes skin irritation and serious eye damage, and may cause respiratory irritation, drowsiness or dizziness). Molekula supplies 1-Butanol from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
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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1 L — £56.30 per pack ex VAT · £67.56 inc. VAT
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2.5 L — £140.00 per pack ex VAT · £168.00 inc. VAT
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25 L — £1,100.00 per pack ex VAT · £1,320.00 inc. VAT
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250 mL — £35.00 per pack ex VAT · £42.00 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 transparent liquid |
| Colour (Pt-Co) | ≤ 5 |
| Water | ≤ 0.05% |
| Purity | ≥ 99.0% |
| Relative density (25°C) | 0.807 - 0.811 |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Flash Point | 35 °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 | Harsh fusel odor with banana |
| Melting Point | -89.8 °C |
| Boiling Point | 117.7 °C |
| Density | 0.81 (relative, water = 1) |
| Water Solubility | 68 g/L at 25 °C |
| Solubility (other solvents) | Very soluble in acetone; miscible with ethanol and ethyl ether |
| Vapour Pressure | 0.67 kPa at 20 °C |
| Refractive Index | 1.3993 |
| pKa | pKa = 16.1 (at 25 °C) |
| log P (octanol/water) | 0.88 |
Source: PubChem CID 263 (HSDB, DrugBank, ICSC)
Identification
| Property | Value |
|---|---|
| SKU | 90030750 |
| CAS Number | 71-36-3 |
| IUPAC Name | butan-1-ol |
| EC Number | 200-751-6 |
| Molecular Formula | CH3(CH2)3OH |
| Molecular Weight | 74.12 |
| Exact Mass | 74.0732 |
| SMILES | CCCCO |
| InChIKey | LRHPLDYGYMQRHN-UHFFFAOYSA-N |
| InChI | InChI=1S/C4H10O/c1-2-3-4-5/h5H,2-4H2,1H3 |
| PubChem CID | 263 |
| UN Number | UN1120 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 2905.13.0000 |
| Tariff Code | 2905130000 |
Safety & GHS
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Flammable
GHS02
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Corrosive
GHS05
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Health Hazard
GHS07
Hazard statements
- H226 Flammable liquid and vapour
- H302 Harmful if swallowed
- H315 Causes skin irritation
- H318 Causes serious eye damage
- H335 May cause respiratory irritation
- H336 May cause drowsiness or dizziness
Precautionary statements
- P260 Do not breathe dust/fume/gas/mist/vapours/spray
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P301+312 IF SWALLOWED: Call a POISON CENTER or doctor/physician if you feel unwell
- 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
- 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-hydroxybutane
- Butan-1-ol
- Butyl alcohol
- Butyl hydroxide
- Butyric alcohol
- Methylolpropane
- n-butanol
- n-butyl alcohol
- Propylcarbinol
- Propylmethanol
Frequently asked questions
What is 1-Butanol commonly used for?
1-Butanol is widely used as a solvent in the production of esters, as a precursor in chemical synthesis, and in the manufacture of butyl acetate for coatings, adhesives, and lacquers.
What is the chemical formula and molecular weight of 1-Butanol?
The chemical formula is **CH₃(CH₂)₃OH** and the molecular weight is **74.12 g/mol**.
What safety classification does 1-Butanol have?
1-Butanol is classified with the **signal word 'Danger'** due to its flammability and potential health hazards.
How should 1-Butanol be stored?
Store 1-Butanol in a tightly sealed container at **ambient temperature**, away from ignition sources and oxidizing agents.
Does Molekula offer 1-Butanol in bulk quantities?
Yes, Molekula supplies 1-Butanol in bulk, with flexible packaging options (drums, IBCs) to meet large-scale production needs.
What documentation is provided with a 1-Butanol order?
Each order includes a **Certificate of Analysis (CoA)**, Material Safety Data Sheet (MSDS), and a compliance certificate confirming ≥99.8% purity.
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.