Molekula
1-Bromobutane
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-Bromobutane is a colorless, volatile liquid alkyl halide used primarily as an alkylating agent in organic synthesis, pharmaceuticals, and agrochemical production. It serves as a key intermediate for creating longer-chain compounds, surfactants, and various specialty chemicals. This chemical has a CAS number of 109-65-9, with the molecular formula CH3(CH2)3Br and a molecular weight of 137.02. It is stored at ambient conditions and carries a **Danger** signal word due to its hazardous properties. Molekula supplies 1-Bromobutane 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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500 g — £27.50 per pack ex VAT · £33.00 inc. VAT
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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 | Clear colorless to light yellow liquid |
| Refractive Index | 1.4380 to 1.4410 (20°C, 589 nm) |
| Assay (GC) | ≥98.5% |
| Identification (FT-IR) | Conforms to structure |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Flash Point | 10 °C |
| Transport Class | 3 |
| Packing Group | II |
| Acidity | Neutral |
Literature values
Published physical properties of the substance, not batch specifications.
| Property | Value |
|---|---|
| Appearance | Colorless to pale straw-colored liquid |
| Melting Point | -112 °C |
| Boiling Point | 101.3 °C at 760 mmHg |
| Water Solubility | 869 mg/L at 25 °C |
| Solubility (other solvents) | Slightly soluble in carbon tetrachloride; soluble in chloroform; miscible with ethanol, ether, acetone |
| Vapour Pressure | 41.97 mmHg at 25 °C |
| Refractive Index | 1.4398 |
| log P (octanol/water) | 2.75 |
Source: PubChem CID 8002 (HSDB)
Identification
| Property | Value |
|---|---|
| SKU | 90026743 |
| CAS Number | 109-65-9 |
| IUPAC Name | 1-bromobutane |
| EC Number | 203-691-9 |
| Molecular Formula | CH3(CH2)3Br |
| Molecular Weight | 137.02 |
| Exact Mass | 135.9888 |
| SMILES | CCCCBr |
| InChIKey | MPPPKRYCTPRNTB-UHFFFAOYSA-N |
| InChI | InChI=1S/C4H9Br/c1-2-3-4-5/h2-4H2,1H3 |
| PubChem CID | 8002 |
| UN Number | UN1126 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 29036990 |
| Tariff Code | 2903691990 |
Safety & GHS
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Flammable
GHS02
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Health Hazard
GHS07
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Serious Health Hazard
GHS08
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Hazardous to the Environment
GHS09
Hazard statements
- H225 Highly flammable liquid and vapour
- H315 Causes skin irritation
- H335 May cause respiratory irritation
- H351 Suspected of causing cancer
- H360FD May damage fertility. May damage the unborn child.
- H373 May cause damage to organs through prolonged or repeated exposure
- H411 Toxic to aquatic life with long lasting effects
Precautionary statements
- P210 Keep away from heat/sparks/open flames/hot surfaces - No smoking
- P260 Do not breathe dust/fume/gas/mist/vapours/spray
- P273 Avoid release to the environment
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P302+352 IF ON SKIN: Wash with soap and water
- 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
Documents
Safety Data Sheets (SDS)
Available in English, French, German, Italian, Portuguese, 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-Butyl bromide
- 4-bromobutane
- Bromobutane
- Butane, 1-bromo-
- Butane, bromo-
- Butyl bromide
- l-bromobutane
- N-BUTYL BROMIDE
- n-butyl bromine
- n-butylbromid
Frequently asked questions
What is 1-Bromobutane commonly used for?
1-Bromobutane is primarily used as an alkylating agent in organic synthesis, pharmaceuticals, and agrochemicals, as well as a solvent and intermediate for producing other chemicals.
What is the chemical formula and molecular weight of 1-Bromobutane?
The chemical formula is **CH₃(CH₂)₃Br** and the molecular weight is **137.02 g/mol**.
How should 1-Bromobutane be stored?
Store in a tightly sealed container at **ambient temperature**, away from heat, sparks, and open flames.
What grades of 1-Bromobutane does Molekula supply?
Molekula supplies **reagent-grade 1-Bromobutane** with high purity for laboratory and industrial applications.
Can Molekula supply 1-Bromobutane in bulk quantities?
Yes, Molekula can provide **bulk quantities** of 1-Bromobutane upon request, depending on availability and customer needs.
What documentation comes with an order of 1-Bromobutane?
Each order includes a **Certificate of Analysis (CoA)**, Material Safety Data Sheet (MSDS), and a product specification sheet.
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.