2-(4-Chlorobutyl)-1,3-dioxolane
2-(4-Chlorobutyl)-1,3-dioxolane (CAS: 118336-86-0) is an organic compound with the molecular formula C7H13ClO2 and a molecular weight of 164.63 g/mol. This acetal serves as a valuable building block in organic synthesis. Its primary utility lies in its role as a reactive intermediate, particularly in the preparation of more complex molecules within research and development settings.
- IUPAC
- 5-Chloro-n-valeraldehyde ethylene acetal
- Synonyms
- 5-Chloro-n-valeraldehyde ethylene acetal

Organic Synthesis Intermediate
This compound functions as a versatile building block in organic chemistry. It is used to introduce specific functional groups or carbon chains into target molecules during multi-step syntheses.
Synthesis of Chlorobutylpyrogallol Arene
2-(4-Chlorobutyl)-1,3-dioxolane has been documented for its use in the specific synthesis of C-chlorobutylpyrogallol arene, a process highlighted in chemical literature.
Research and Development
Utilized in laboratory settings for exploring new synthetic pathways and developing novel compounds. Its structure lends itself to various derivatizations for advanced chemical research.
| Molecular weight | 164.63 |
|---|---|
| Empirical formula | C7H13ClO2 |
| Assay | ≥97.0% (GC) |
| Boiling point | 56-58 °C/0.1 mmHg(lit.) |
| Density | 1.109 g/mL at 20 °C(lit.) |
| Refractive index | n20/D 1.457 |
| Application | 2-(4-Chlorobutyl)-1,3-dioxolane was used in the synthesis of C-chlorobutylpyrogallol[4]arene1. |

Hazard statements
- H301Toxic if swallowed
Precautionary statements
- P301IF SWALLOWED
| Protective equipment | Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 85 °C / 185 °F |
| Transport (UN / ADR) | UN 2810 6.1 / PGIII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 22 |
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 2-(4-Chlorobutyl)-1,3-dioxolane used for?
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2-(4-Chlorobutyl)-1,3-dioxolane is primarily used as a building block and intermediate in organic synthesis, including the preparation of C-chlorobutylpyrogallol arene.
What is the CAS number and molecular formula for 2-(4-Chlorobutyl)-1,3-dioxolane?
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The CAS number is 118336-86-0 and the molecular formula is C7H13ClO2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 2-(4-Chlorobutyl)-1,3-dioxolane with an assay of ≥97.0% (GC). TSS does not represent this product as USP, BP, EP, or pharmacopoeia grade.
How should 2-(4-Chlorobutyl)-1,3-dioxolane be handled safely?
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This compound is classified as Dangerous (GHS06, Danger) and is harmful if swallowed (H301). Handle with appropriate personal protective equipment including eyeshields, face shields, gloves, and suitable respiratory protection. Store in a well-ventilated area.
Is 2-(4-Chlorobutyl)-1,3-dioxolane a controlled substance?
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The provided data does not indicate that 2-(4-Chlorobutyl)-1,3-dioxolane is a controlled substance.
How is 2-(4-Chlorobutyl)-1,3-dioxolane packed and shipped?
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Products are packed according to industry best practices for safe transport. We export globally; please contact us for specific shipping and export inquiries.
How can I request a sample or quote for 2-(4-Chlorobutyl)-1,3-dioxolane?
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Please contact our sales team via the website or direct inquiry to request a sample or obtain a quotation.
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