1-Chlorobutane
1-Chlorobutane is the n-butyl chloride used for organic synthesis, as a solvent, as an intermediate and as an animal repellent. It carries a density of 0.873 g/cm³, a boiling point of 78.2 °C at 760 mmHg and a refractive index of 1.395.
What You Get With This Grade
- Physical constants published — density 0.873 g/cm³, boiling point 78.2 °C at 760 mmHg, melting point -123 °C, refractive index 1.395
- A low boiling chlorinated solvent that strips easily after reaction
- 175 kg drums or tank truck, packed to user requirement
- Available with 2-chlorobutane from the same supplier when both isomers are in the route
Technical features
- Boiling point 78.2 °C at 760 mmHg
- Melting point -123 °C
- Density 0.873 g/cm³
- Refractive index 1.395
Where 1-Chlorobutane Is Used
Organic synthesis
Used as a raw material and building block in synthesis routes.
Reaction solvent
Used as a solvent where a low boiling chlorinated medium is required.
Intermediate manufacture
Supplied as an intermediate for downstream chemistry.
Animal repellent
Listed among its established uses.
Buyers This Grade Is Built For
- Fine chemical producers needing an n-butyl chloride building block
- Process chemists selecting a low boiling chlorinated solvent
- Manufacturers who also require the 2-isomer and want one supplier for both
- Buyers needing tank truck volumes rather than drums
What It Stops Going Wrong
- Choosing a solvent with too high a boiling point makes downstream stripping expensive
- Mixing up the 1- and 2- isomers changes the reactivity of the alkylation step
- Chlorinated solvents shipped without DG classification get delayed
- Refractive index drift on arrival is the fastest sign the drum is not what was ordered
Quality Index for 1-Chlorobutane
| CAS number | 109-69-3 |
|---|---|
| Molecular formula | C4H9Cl |
| Molecular weight | 92.5673 |
| Density | 0.873 g/cm³ |
| Melting point | -123 °C |
| Boiling point | 78.2 °C at 760 mmHg |
| Refractive index | 1.395 |
How It Ships and How to Store It
Packing
- 175 kg per drum
- Tank truck for bulk
- Can be packaged according to user requirements
Storage and transport
- Store and transport as dangerous goods
- Keep away from ignition sources given the low boiling point
How the Lot Is Released
Supplied against the published physical constants with SDS and COA available for the lot.
What We Can Change
Drum or tank truck packing according to user requirements.
Against the Alternatives
1-Chlorobutane boils at 78.2 °C against 69.2 °C for 2-chlorobutane and is slightly denser at 0.873 against 0.87 g/cm³. Melting points differ widely at -123 °C against -140 °C. The 1-isomer is the primary chloride used as solvent, intermediate and animal repellent; the 2-isomer is the secondary chloride used across medicines, plasticizers, pesticides, rubber, resins and surfactants.
Handling 1-Chlorobutane on Your Site
Written for the person who receives the drum, not for a brochure.
- Confirm the refractive index of 1.395 on arrival as a quick identity check
- Account for the 78.2 °C boiling point when designing the solvent recovery step
- Handle and ship as dangerous goods
- Order the isomer by CAS number, not by the common name, to avoid a mix-up
1-Chlorobutane FAQ
What is the boiling point?
78.2 °C at 760 mmHg, with a melting point of -123 °C.
What is the density and refractive index?
Density 0.873 g/cm³ and refractive index 1.395.
What is it used for?
Organic synthesis and use as a solvent, an intermediate and an animal repellent.
What packing is available?
175 kg per drum, or by tank truck, and it can be packaged according to user requirements.
How does it differ from 2-chlorobutane?
1-Chlorobutane is the primary chloride boiling at 78.2 °C; 2-chlorobutane is the secondary chloride boiling at 69.2 °C with a melting point of -140 °C and a refractive index of 1.393.
Do you supply SDS and COA?
Yes, SDS and COA are available on request before the order is placed.
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