2-(2-Hydroxy-5-methylphenyl)benzotriazole
2-(2-Hydroxy-5-methylphenyl)benzotriazole (CAS: 2440-22-4, C13H11N3O) is a key intermediate reactant, primarily used in the synthesis of UV light absorbers. With a molecular weight of 225.25 g/mol, this compound is crucial for creating advanced materials. Its applications extend to UV curable paints, emulsion polymerization, and as a stabilizer in various polymers like acrylonitrile-butadiene-styrene, enhancing material durability against UV radiation.
- IUPAC
- 2-(2H-Benzotriazol-2-yl)-p-cresol
UV Light Absorber Synthesis
Serves as an intermediate reactant for the synthesis of UV light absorbers, particularly for polyester fibres. This application is crucial for protecting materials from photodegradation.
UV Curable Paint Formulations
Acts as a reactant for synthesising benzotriazole UV absorbers with a blocked hydroxy group, specifically designed for use in UV curable paints, enhancing coating performance.
Emulsion Polymerization
Used as a reactant to create maleimide-bound benzotriazole monomers, suitable for emulsion polymerization processes, contributing to polymer stability.
Polymer Stabilization
Incorporated into polymers such as acrylonitrile-butadiene-styrene and PVC composites to act as a UV absorber and stabiliser, extending product lifespan.
Microfabrication
Finds application in microstereolithography and in the fabrication of miniaturised actuators using shape memory alloys, showcasing its utility in advanced material science.
| Molecular weight | 225.25 |
|---|---|
| Empirical formula | C13H11N3O |
| Assay | 97% |
| Application | Intermediate reactant in the synthesis of UV light absorbers for polyester fibers1Reactant for synthesis of: • Benzotriazole UV absorbers with a blocked hydroxy group for us in UV curable paint2• Maleimide-bound benzotriazole monomer to use for emulsion polymerization3Used in: • Microstereophotolithography and shape memory alloy for fabrication of miniaturized actuators4• PVS and wood / PVC composites as a stabilizer5• Acrylonitrile-butadiene-styrene as a UV absorber6 |
| Melting point | 125.5-129.5 °C(lit.) |
Hazard statements
- H317May cause an allergic skin reaction
- H413May cause long-lasting harmful effects to aquatic life
Precautionary statements
- P280Wear protective gloves, clothing and eye/face protection
| Protective equipment | Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter |
|---|---|
| Water hazard class (WGK, DE) | 1 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 43-53 |
| Safety statements (S) | 36/37 |
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-(2-Hydroxy-5-methylphenyl)benzotriazole used for?
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2-(2-Hydroxy-5-methylphenyl)benzotriazole is primarily used as an intermediate reactant in the synthesis of UV light absorbers for polyester fibres, UV curable paints, and polymers. It also finds use in microstereolithography and as a stabilizer in various composite materials.
What are the CAS number and chemical formula for 2-(2-Hydroxy-5-methylphenyl)benzotriazole?
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The CAS number is 2440-22-4 and the empirical formula is C13H11N3O.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 2-(2-Hydroxy-5-methylphenyl)benzotriazole with an assay of 97%. We do not represent this product as USP, BP, EP, or any other pharmacopoeia grade.
How should 2-(2-Hydroxy-5-methylphenyl)benzotriazole be handled safely?
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This compound may cause an allergic skin reaction (H317) and may cause long lasting harmful effects to aquatic life (H413). Handle with care, wearing eyeshields, gloves, and a type N95 (US) or P1 (EN143) respirator filter. Ensure adequate ventilation and avoid release into the environment.
Is 2-(2-Hydroxy-5-methylphenyl)benzotriazole exported by TSS?
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Yes, Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals, including 2-(2-Hydroxy-5-methylphenyl)benzotriazole.
How can I request a sample or quote for 2-(2-Hydroxy-5-methylphenyl)benzotriazole?
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Please contact our sales team through the website or by phone to request a sample or a quotation for 2-(2-Hydroxy-5-methylphenyl)benzotriazole.
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