1,8-Dichlorooctane
1,8-Dichlorooctane (CAS: 2162-99-4) is an organic compound with the molecular formula C8H16Cl2 and a molecular weight of 183.12 g/mol. As a halogenated hydrocarbon, it functions as a valuable building block in organic synthesis. This linear dichloroalkane is primarily employed in chemical synthesis for the introduction of an eight-carbon chain with terminal reactive sites, facilitating the creation of more complex molecules and polymers.
- Synonyms
- 1,8-DichlorooctaneOctamethylene dichloride

Organic Synthesis Intermediate
1,8-Dichlorooctane serves as a key intermediate in organic synthesis, enabling the formation of carbon-carbon bonds and the construction of cyclic or linear structures. Its two terminal chlorine atoms offer versatile reactivity for nucleophilic substitution reactions.
Polymer Chemistry
This compound can be utilised in polymerisation processes to create specialised polymers. The eight-carbon chain can impart specific physical properties, such as flexibility or hydrophobicity, to the resulting polymeric materials.
Building Block for Specialty Chemicals
It acts as a fundamental building block for the synthesis of various specialty chemicals, including surfactants, lubricants, and pharmaceutical intermediates, where a specific chain length is required.
| Molecular weight | 183.12 |
|---|---|
| Linear formula | Cl(CH2)8Cl |
| Assay | 98% |
| Boiling point | 115-116 °C/11 mmHg(lit.) |
| Density | 1.025 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.459(lit.) |

Hazard statements
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
| Protective equipment | Eyeshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 109 °C / 228.2 °F |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38 |
| Safety statements (S) | 26-37/39 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is 1,8-Dichlorooctane used for?
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1,8-Dichlorooctane is primarily used as an intermediate in organic synthesis and as a building block for specialty chemicals and polymers. It is valuable for introducing an eight-carbon chain into molecules.
What is the CAS number and molecular formula for 1,8-Dichlorooctane?
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The CAS number for 1,8-Dichlorooctane is 2162-99-4, and its linear formula is Cl(CH2)8Cl.
What grade and purity does Tech Serve Solutions supply for 1,8-Dichlorooctane?
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Tech Serve Solutions supplies 1,8-Dichlorooctane with an assay of 98%. This product is not represented as USP, BP, EP, or any other pharmacopoeia grade.
How should 1,8-Dichlorooctane be handled safely?
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Handle 1,8-Dichlorooctane with appropriate personal protective equipment, including eyeshields and gloves. Ensure adequate ventilation, and refer to the safety data sheet for comprehensive handling guidelines, as it can cause skin, eye, and respiratory irritation (H315-H319-H335).
Is 1,8-Dichlorooctane a controlled substance?
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No, the provided data does not indicate that 1,8-Dichlorooctane is a controlled substance.
How is 1,8-Dichlorooctane packed and shipped?
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1,8-Dichlorooctane is packed and shipped according to standard chemical handling protocols to ensure safety and integrity during transit and export. Specific packaging details can be confirmed upon request.
How can I request a quote or sample for 1,8-Dichlorooctane?
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To request a quote or a sample of 1,8-Dichlorooctane, please contact the Tech Serve Solutions sales team through our official channels.
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