535753

2-(2H-Benzotriazol-2-yl)-4,6-bis(1-methyl-1-phenylethyl)phenol

powder

• Synonym(s): 2-(2-Hydroxy-3,5-di-α-cumylphenyl)-2H -benzotriazole, 2-(2-Hydroxy-3,5-dicumyl)benzotriazole, 2-(2H -Benzotriazol-2-yl)-4,6-bis(1-methyl-1-phenylethyl)phenol, 2-(2H -Benzotriazol-2-yl)-4,6-bis(1-methyl-l-phenylethyl)phenol, 2-(3′,5′-Bis(α,α-dimethylbenzyl)-2′-hydroxyphenyl)benzotriazole, 2-(Benzotriazol-2-yl)-4,6-bis(2-phenylpropan-2-yl)phenol, 2-[2-Hydroxy-3,5-bis(α,α-dimethylbenzyl)phenyl]-2H -benzotriazole
• Empirical Formula (Hill Notation): C₃₀H₂₉N₃O
• CAS Number: 70321-86-7
• Molecular Weight: 447.57
• EC Number: 274-570-6
• MDL number: MFCD00134705
• UNSPSC Code: 12162002
• PubChem Substance ID: 24878100
• NACRES: NA.23

Properties

• form: powder
• loss: 1.0 wt. % volatility, 264°C
• mp: 139-143 °C (lit.)
• solubility: H₂O: insoluble <0.04 ppm at 20 °C; toluene: 20 wt. % at 20 °C; methylene chloride: 34 wt. % at 20 °C; chloroform: 35 wt. % at 20 °C
• SMILES string: CC(C)(c1ccccc1)c2cc(c(O)c(c2)C(C)(C)c3ccccc3)-n4nc5ccccc5n4
• InChI: 1S/C30H29N3O/c1-29(2,21-13-7-5-8-14-21)23-19-24(30(3,4)22-15-9-6-10-16-22)28(34)27(20-23)33-31-25-17-11-12-18-26(25)32-33/h5-20,34H,1-4H3
• InChI key: OLFNXLXEGXRUOI-UHFFFAOYSA-N

Description

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.

Safety Information

• Storage Class: 11 - Combustible Solids
• wgk_germany: WGK 1
• flash_point_f: 383.0 °F - closed cup
• flash_point_c: 195 °C - closed cup
• ppe: dust mask type N95 (US), Eyeshields, Gloves