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 2000 · 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
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.
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.