2-(2H-Benzotriazol-2-yl)-4,6-bis(1-methyl-1-phenylethyl)phenol
2-(2H-Benzotriazol-2-yl)-4,6-bis(1-methyl-1-phenylethyl)phenol (CAS 70321-86-7) is a low-volatile UV absorber and stabilizer. With a molecular weight of 447.57 g/mol, this compound offers excellent light stability. It is primarily used in the polymer industry to protect materials processed at high temperatures from degradation caused by ultraviolet light, ensuring enhanced durability and performance.
- Synonyms
- C30H29N3O
UV Light Absorber for High-Temperature Polymers
Provides outstanding light stability for polymers like polycarbonate, polyesters, and polyamides during high-temperature processing. It effectively absorbs UV radiation, preventing material degradation and extending product lifespan.
Stabilizer for Engineering Plastics
Highly effective in stabilizing polymers such as polyphenylene sulfide, polyphenylene oxide, and aromatic copolymers against UV-induced damage. This ensures the integrity and performance of these advanced materials.
Protection for Thermoplastics and Polyurethanes
Imparts excellent light stability to thermoplastic polyurethane and polyurethane fibers. It also demonstrates high efficacy in protecting polyvinyl chloride and styrene homo- and copolymers.
| Molecular weight | 447.57 |
|---|---|
| Empirical formula | C30H29N3O |
| Form | powder |
| Solubility | H2O: insoluble toluene: soluble20 wt. % at 20 °Cmethylene chloride: soluble34 wt. % at 20 °Cchloroform: soluble35 wt. % at 20 °C |
| Loss on drying | 1.0 wt. % volatility, 264°C |
| Application | Low volatile benzotriazole UV light absorber and stabilizer.Imparts outstanding light stability for polymers processed at high temperatures such as polycarbonate, polyesters, polyacetal, polyamides, polyphenylene sulfide, polyphenylene oxide, aromatic copolymers, thermoplastic polyurethane and polyurethane fibers also highly effective for polyvinylchloride, styrene homo- and copolymers. |
| Melting point | 139-143 °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 |
|---|---|
| Flash point | 195 °C / 383 °F |
| Water hazard class (WGK, DE) | nwg |
| 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 2-(2H-Benzotriazol-2-yl)-4,6-bis(1-methyl-1-phenylethyl)phenol used for?
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This compound is primarily used as a low-volatile UV light absorber and stabilizer for polymers, especially those processed at high temperatures, to impart outstanding light stability.
What is the CAS number and chemical formula for this product?
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The CAS number is 70321-86-7 and the empirical formula (Hill notation) is C30H29N3O.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies this chemical, and we do not represent it as USP, BP, EP, or any other pharmacopoeia grade. Purity information should be confirmed with the specific product specification sheet.
What are the safety and handling precautions for this chemical?
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This compound is classified with GHS07 and the signal word 'Warning'. It carries hazard statements H315 (causes skin irritation), H319 (causes serious eye irritation), and H335 (may cause respiratory irritation). Recommended personal protective equipment includes a dust mask type N95, eyeshields, and gloves. Always handle in a well-ventilated area.
How is this chemical packed, shipped, and exported by TSS?
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Tech Serve Solutions exports a wide range of chemicals globally. Specific packing details depend on the quantity ordered and destination. Please contact us for detailed shipping and export information.
How can I request a sample or quote for this product?
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To request a sample or a quote, please visit the product page on our website and utilise the 'Request a Quote' or 'Sample Request' form, or contact our sales team directly.
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