Benzenesulfonyl chloride
Benzenesulfonyl chloride (CAS 98-09-9, C6H5SO2Cl) is a versatile organic compound with a molecular weight of 176.62. It serves as a crucial building block in chemical synthesis and is notable for its application in the thiamine assay for determining thiamine content in various food products. This sulfur compound is typically supplied at an assay of 99%.
Thiamine Assay Reagent
Benzenesulfonyl chloride is employed in the quantitative determination of thiamine (Vitamin B1) in food products. This analytical application ensures quality control and nutritional analysis within the food industry.
Organic Synthesis Intermediate
As a key member of the sulfonyl halide class, this compound is widely utilized as a reagent and intermediate in organic synthesis. It facilitates the introduction of the benzenesulfonyl group into various molecules.
Sulfonamide and Ester Formation
It readily reacts with amines and alcohols to form sulfonamides and sulfonate esters, respectively. These derivatives find applications in pharmaceuticals, dyes, and other specialty chemicals.
| Molecular weight | 176.62 |
|---|---|
| Linear formula | C6H5SO2Cl |
| Assay | 99% |
| Boiling point | 251-252 °C(lit.) |
| Density | 1.384 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.551(lit.) |
| Solubility | alcohol: solublecold water: insolublediethyl ether: soluble |
| Melting point | 13-15 °C(lit.) |
| Vapour pressure | 0.04 mmHg (20 °C) |
| Application | Benzenesulfonyl chloride may be used in thiamine assay for determination of thiamine in different food products1. |
Hazard statements
- H302Harmful if swallowed
- H314Causes severe skin burns and eye damage
- H317May cause an allergic skin reaction
- H332Harmful if inhaled
- H334May cause allergy or asthma symptoms if inhaled
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P280Wear protective gloves, clothing and eye/face protection
- P305IF IN EYES
- P310Immediately call a POISON CENTER or doctor
| Protective equipment | Faceshields, full-face respirator (US), Gloves, Goggles, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 132 °C / 269.6 °F |
| Transport (UN / ADR) | UN 2225 8 / PGIII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | C |
| Risk statements (R) | 20/22-34-42/43 |
| Safety statements (S) | 23-26-36/37/39-45 |
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 Benzenesulfonyl chloride used for?
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Benzenesulfonyl chloride (CAS 98-09-9) is primarily used as a reagent in the thiamine assay for determining thiamine levels in food products, and as a versatile intermediate in organic synthesis for forming sulfonamides and sulfonate esters.
What are the CAS number and formula for Benzenesulfonyl chloride?
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The CAS number for Benzenesulfonyl chloride is 98-09-9, and its linear formula is C6H5SO2Cl.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Benzenesulfonyl chloride with a minimum assay of 99%. We do not represent this product as USP, BP, EP, or any other pharmacopoeia grade unless explicitly stated.
How should Benzenesulfonyl chloride be handled safely?
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Benzenesulfonyl chloride is corrosive and can cause severe skin burns and eye damage (H314). It is harmful if inhaled (H332) and may cause respiratory irritation (H334), and is harmful if swallowed (H302). Appropriate personal protective equipment, including gloves, eye protection, and respiratory protection, must be used. Handle only in a well-ventilated area.
Is Benzenesulfonyl chloride a controlled substance?
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Based on the provided data, Benzenesulfonyl chloride is not listed as a controlled substance.
How is Benzenesulfonyl chloride packed and shipped?
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Benzenesulfonyl chloride is classified under UN 2225, hazard class 8, packing group III. Shipments are handled according to stringent international regulations for hazardous materials.
How can I request a quote or sample for Benzenesulfonyl chloride?
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To request a quote or sample for Benzenesulfonyl chloride, please contact the Tech Serve Solutions sales team through our website or directly via email or phone.
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