1,3-Benzodioxole-5-sulfonyl chloride
1,3-Benzodioxole-5-sulfonyl chloride (CAS 115010-10-1) is an organosulfur compound with the empirical formula C7H5ClO4S and a molecular weight of 220.63 g/mol. This chemical serves as a versatile building block in organic synthesis, particularly within the realm of heterocyclic chemistry. Its reactive sulfonyl chloride group makes it valuable for introducing the 1,3-benzodioxole-5-sulfonyl moiety into various molecular structures, facilitating the development of new chemical entities.
- Synonyms
- 1,3-Benzodioxole-5-sulfonyl chloride1,3-Dioxolo[5,6]benzenesulfonyl chloride

Organic Synthesis Intermediate
Utilised as a key intermediate in the synthesis of complex organic molecules. Its sulfonyl chloride functionality allows for facile derivatisation and incorporation into diverse chemical scaffolds.
Heterocyclic Compound Synthesis
Plays a role in the construction of various heterocyclic systems. The 1,3-benzodioxole core can be functionalised or extended using this reagent.
Pharmaceutical Research
Serves as a building block for the development of novel pharmaceutical candidates. Its structure may contribute to the biological activity of target molecules.
Agrochemical Development
Applicable in the synthesis of new agrochemical compounds, where the benzodioxole moiety might impart desired properties.
| Molecular weight | 220.63 |
|---|---|
| Empirical formula | C7H5ClO4S |
| Assay | 97% |
| Melting point | 50-55 °C |

Hazard statements
- H314Causes severe skin burns and eye damage
Precautionary statements
- P280Wear protective gloves, clothing and eye/face protection
- P305IF IN EYES
- P310Immediately call a POISON CENTER or doctor
| Flash point | >110 °C / >230 °F |
|---|---|
| Transport (UN / ADR) | UN 3261 8 / PGIII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | C |
| Risk statements (R) | 14-34 |
| Safety statements (S) | 26-36/37/39-45 |
| Supplemental hazards | Reacts violently with water. |
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 1,3-Benzodioxole-5-sulfonyl chloride used for?
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1,3-Benzodioxole-5-sulfonyl chloride is primarily used as a building block and intermediate in organic synthesis, particularly for the creation of heterocyclic compounds and in pharmaceutical and agrochemical research.
What is the CAS number and empirical formula for 1,3-Benzodioxole-5-sulfonyl chloride?
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The CAS number is 115010-10-1, and the empirical formula is C7H5ClO4S.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 1,3-Benzodioxole-5-sulfonyl chloride with an assay of 97%. This is considered a technical/research grade and is not represented as USP, BP, or EP grade.
How should 1,3-Benzodioxole-5-sulfonyl chloride be handled?
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This compound is classified as Danger, with hazard statement H314: Causes severe skin burns and eye damage. It reacts violently with water. Handle with appropriate personal protective equipment (e.g., gloves, eye protection) in a well-ventilated area. Refer to the Safety Data Sheet for detailed handling procedures.
Is 1,3-Benzodioxole-5-sulfonyl chloride a controlled substance?
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The provided data does not indicate that 1,3-Benzodioxole-5-sulfonyl chloride is a controlled or scheduled substance.
How is 1,3-Benzodioxole-5-sulfonyl chloride packed and exported?
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1,3-Benzodioxole-5-sulfonyl chloride is packed and shipped according to its hazard classification (UN 3261, Class 8, PGIII). TSS is an experienced global supplier and exporter of fine chemicals.
How can I request a quote or sample?
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To request a quote or sample of 1,3-Benzodioxole-5-sulfonyl chloride, please contact our sales team through the website or by phone.
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