2-(2H-Benzotriazol-2-yl)-4-methyl-6-(2-propenyl)phenol

CAS 2170-39-0C16H15N3OPolymer Science

2-(2H-Benzotriazol-2-yl)-4-methyl-6-(2-propenyl)phenol (CAS: 2170-39-0; C16H15N3O; MW: 265.31) is a covalently bondable UV light stabilizer. It is designed to protect polymers from degradation caused by ultraviolet radiation. Its molecular structure allows it to be permanently incorporated into polymer matrices, offering long-lasting protection against photodegradation.

IUPAC: 2-(3-Allyl-2-hydroxy-5-methylphenyl)-2H-benzotriazole,2-Allyl-6-(2H-benzotriazol-2-yl)-p-cresol
Synonyms: 2-Allyl-6-(2H-benzotriazol-2-yl)-p-cresol2-(3-Allyl-2-hydroxy-5-methylphenyl)-2H-benzotriazole

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2-(2H-Benzotriazol-2-yl)-4-methyl-6-(2-propenyl)phenol (C16H15N3O) — chemical structure, CAS 2170-39-0; Materials Science, fine chemical supplied by Tech Serve Solutions

Materials SciencePolymer AdditivesPolymer ScienceStabilizers

01 /Applications

UV Stabilization in Polymers

This compound acts as a highly effective UV absorber, preventing the breakdown of polymer chains when exposed to sunlight. Its ability to form covalent bonds ensures it remains within the polymer matrix, preventing leaching and maintaining its protective function over time.

Material Protection

Incorporation of this stabilizer into various polymeric materials enhances their durability and lifespan by mitigating the damaging effects of UV exposure. This is crucial for applications where materials are subjected to outdoor conditions.

Polymer Additive

As a key additive in polymer science, it contributes to the performance and longevity of plastics and resins. It is particularly useful in formulations requiring robust UV resistance and long-term stability.

02 /Properties

Molecular weight	265.31
Empirical formula	C16H15N3O
Assay	99%
Density	1.3 g/mL at 25 °C(lit.)
Solubility	H2O: insoluble
Application	Covalently bondable UV light stabilizer.
Melting point	98-101 °C(lit.)

03 /Safety & handling

Protective equipment	Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter
Water hazard class (WGK, DE)	3

Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.

04 /Identifiers & registry

CAS number

2170-39-0

MDL number

MFCD00236141

PubChem substance

24879824

05 /Additional specifications

Transition Temp	transition temp >270 °C

06 /Quality & supply

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.

07 /Frequently asked questions

What is 2-(2H-Benzotriazol-2-yl)-4-methyl-6-(2-propenyl)phenol used for?

It is used as a covalently bondable UV light stabilizer for polymers, protecting them from degradation caused by ultraviolet radiation.

What are the CAS number and formula for this product?

The CAS number is 2170-39-0, and the empirical formula is C16H15N3O.

What grade and purity does Tech Serve Solutions supply?

Tech Serve Solutions supplies this chemical with an assay of 99%. It is not represented as USP, BP, or EP grade.

What are the safety and handling considerations for this chemical?

Handling requires personal protective equipment, including eyeshields and gloves. A type N95 (US) or type P1 (EN143) respirator filter is recommended. The GHS hazard data indicates a Water Hazard Class of 3 for Germany (WGK 3).

How is this chemical packed, shipped, and exported?

Tech Serve Solutions specialises in the global supply and export of fine chemicals, ensuring appropriate packaging and adherence to all relevant shipping regulations for international delivery.