1-(Phenylsulfonyl)-1H-benzotriazole
1-(Phenylsulfonyl)-1H-benzotriazole (CAS: 4106-18-7, C12H9N3O2S) is a specialised organic compound with a molecular weight of 259.28 g/mol. It serves as a valuable reagent in synthetic organic chemistry, particularly for facilitating C-S and C-X (non-halogen) bond formations. Supplied by Tech Serve Solutions with an assay of 97%, this compound is essential for researchers and industrial chemists undertaking complex synthesis projects.

C-S Bond Formation
This reagent is employed in organic synthesis to create carbon-sulfur bonds. Its specific reactivity profile makes it a useful tool for constructing organosulfur compounds, which are prevalent in pharmaceuticals and materials science.
C-X Bond Formation (Non-Halogen)
It facilitates the formation of carbon-heteroatom bonds where the heteroatom is not a halogen. This is important for synthesising various functionalised organic molecules without resorting to halogenated intermediates.
Synthetic Reagent
As a versatile synthetic reagent, 1-(Phenylsulfonyl)-1H-benzotriazole is utilised in a range of chemical transformations. Its application is documented within the field of benzotriazole chemistry for novel synthetic methodologies.
Chemical Synthesis
This compound is a key component in general chemical synthesis, enabling complex molecular construction. Its reliable performance supports both academic research and industrial development in creating new chemical entities.
| Molecular weight | 259.28 |
|---|---|
| Empirical formula | C12H9N3O2S |
| Assay | 97% |
| Application | New Benzotriazole Reagents |
| Melting point | 120-128 °C(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 | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38 |
| Safety statements (S) | 26-36 |
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-(Phenylsulfonyl)-1H-benzotriazole used for?
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1-(Phenylsulfonyl)-1H-benzotriazole is used in organic synthesis for forming C-S bonds and C-X (non-halogen) bonds. It is a synthetic reagent applicable in various chemical synthesis strategies, particularly involving benzotriazole chemistry.
What is the CAS number and formula for 1-(Phenylsulfonyl)-1H-benzotriazole?
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The CAS number is 4106-18-7 and the empirical formula is C12H9N3O2S.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 1-(Phenylsulfonyl)-1H-benzotriazole with a purity of 97% (assay). This product is not represented as USP, BP, EP, or other pharmacopoeial grades.
What are the safety and handling precautions for this chemical?
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This compound is a warning signal word chemical classified with H315 (causes skin irritation), H319 (causes serious eye irritation), and H335 (may cause respiratory irritation). Appropriate personal protective equipment includes a dust mask type N95 (US), eyeshields, and gloves. Handle in a well-ventilated area, avoiding dust formation and contact with skin, eyes, and clothing.
How is 1-(Phenylsulfonyl)-1H-benzotriazole packed and exported?
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1-(Phenylsulfonyl)-1H-benzotriazole is carefully packed according to international shipping regulations and exported globally by Tech Serve Solutions for research and industrial purposes.
How can I request a sample or a quote for this product?
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To request a sample or a quote for 1-(Phenylsulfonyl)-1H-benzotriazole, please contact our sales team through the website or by phone, providing your specific requirements.
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