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2-(2-Hydroxy-5-methylphenyl)benzotriazole

2-(2-Hydroxy-5-methylphenyl)benzotriazole chemical structure
CAS Number2440-22-4
FormulaC13H11N3O
Mol. Weight225.25 g/mol

What is 2-(2-Hydroxy-5-methylphenyl)benzotriazole?

2-(2-Hydroxy-5-methylphenyl)benzotriazole is a chemical compound with CAS number 2440-22-4 and molecular formula C13H11N3O. It is used in various industrial and research applications.

Applications

Intermediate reactant in the synthesis of UV light absorbers for polyester fibers1

Reactant 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 polymerization3

Used 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

Specifications

Molecular Weight

225.25 g/mol

Assay/Purity

97%

Safety Information

GHS07GHS07
Signal Word

Warning

Hazard Statements

H317-H413

Precautionary Statements

P280

Required PPE

Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter

Melting Point

125.5-129.5 °C(lit.)

EC Number

219-470-5

WGK Germany

1

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