Introduction：Basic information about 2-(2H-Benzotriazol-2-yl)-4,6-bis(1-methyl-1-phenylethyl)phenol CAS 70321-86-7, including its chemical name, molecular formula, synonyms, physicochemical properties, and safety information, etc.
2-(2H-Benzotriazol-2-yl)-4,6-bis(1-methyl-1-phenylethyl)phenol Basic informationCharacterization Physical Properties Applications Features/benefits Guidelines for use Handling & Safety
| Product Name: | 2-(2H-Benzotriazol-2-yl)-4,6-bis(1-methyl-1-phenylethyl)phenol |
| Synonyms: | 2-(2h-benzotriazol-2-yl)-4,6-bis(1-methyl-1-phenylethyl)-pheno;BLS234;2-(2H-Benzotriazol-2-yl)-4,6-bis(1-methyl-1-phenylethyl)phenol UV-234;2-(2H-Benzotriazol-2-yl)-4,6-bis(1-methyl-1-phenylethyl)phenol powder;Eusorb UV-900;2-(2H-Benzotriazol-2-yl)-4,6-bis(1-methyl-1-phenylethyl)phenol;UV Absorber UV-234;Absorber UV-234 |
| CAS: | 70321-86-7 |
| MF: | C30H29N3O |
| MW: | 447.57 |
| EINECS: | 274-570-6 |
| Product Categories: | Polymer Additives;Polymer Science;Polymer Additives;Polymer Science;Stabilizers;UV |
| Mol File: | 70321-86-7.mol |
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2-(2H-Benzotriazol-2-yl)-4,6-bis(1-methyl-1-phenylethyl)phenol Chemical Properties
| Melting point | 139-143 °C(lit.) |
| Boiling point | 589.3±60.0 °C(Predicted) |
| density | 1.12±0.1 g/cm3(Predicted) |
| Fp | 383 °F(lit.) |
| storage temp. | Refrigerator |
| solubility | H2O: <0.04 ppm at 20 °C, insoluble |
| pka | 9?+-.0.10(Predicted) |
| form | powder |
| color | White to Off-White |
| Odor | fresh fruity raspberry rose |
| Water Solubility | insoluble, <0.04 ppm at 20 ºC |
| InChI | 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 |
| InChIKey | OLFNXLXEGXRUOI-UHFFFAOYSA-N |
| SMILES | C1(O)=C(C(C)(C2=CC=CC=C2)C)C=C(C(C)(C2=CC=CC=C2)C)C=C1N1N=C2C=CC=CC2=N1 |
| CAS DataBase Reference | 70321-86-7(CAS DataBase Reference) |
| EPA Substance Registry System | Phenol, 2-(2H-benzotriazol-2-yl)-4,6-bis(1-methyl-1-phenylethyl)- (70321-86-7) |
Safety Information
| Hazard Codes | Xi |
| Risk Statements | 36/37/38 |
| Safety Statements | 26-36 |
| WGK Germany | - |
| TSCA | TSCA listed |
| HS Code | 29339900 |
| Storage Class | 11 - Combustible Solids |
2-(2H-Benzotriazol-2-yl)-4,6-bis(1-methyl-1-phenylethyl)phenol Usage And Synthesis
| Characterization | UV Absorber 234 (2-(2H-Benzotriazol-2-yl)-4,6-bis(1-methyl-1-phenylethyl)phenol) is a high molecular weight ultraviolet light absorber (UVA) of the hydroxyphenyl benzotriazole class, imparting excellent light stability to a variety of polymers. |
| Physical Properties | |
| Applications | UV Absorber 234 (2-(2H-Benzotriazol-2-yl)-4,6-bis(1-methyl-1-phenylethyl)phenol) is highly effective for polymers processed at high temperatures such as polycarbonates, polyalkylene terephthalates, polyacetals, polyamides, polyphenylene sulfide, polyphenylene oxide, aromatic copolymers, thermoplastic polyurethane and polyurethane fibers, as well as for polyvinylchloride, styrene homo- and copolymers. Applications include molded articles, films, sheets and fibers. |
| Features/benefits | UV Absorber 234 features low volatility, exceptional light absorbing characteristicsand good compatibility in various substrates. This makes the product particularlysuitable for applications characterized by high surface area, such asfilms and fibers. |
| Guidelines for use | Use levels of UV Absorber 234 (2-(2H-Benzotriazol-2-yl)-4,6-bis(1-methyl-1-phenylethyl)phenol) range between 0.15 and 0.60 %, depending onsubstrate and performance requirements of the final application. UV Absorber 234can be used alone or in combination with other functional additives suchas antioxidants (hindered phenols, phosphites) and HALS light stabilizers,where often a synergistic performance is observed. Extensive performancedata of UV Absorber 234 alone or in combination with other additives are availablein many of the substrates listed above. |
| Handling & Safety | UV Absorber 234 exhibits a very low order of oral toxicity and does not present any abnormal problems in its handling or general use. Detailed information on handling and any precautions to be observed in the use of the product(s) described in this leaflet can be found in our relevant health and safety information sheet. |
| Uses | 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.
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| Uses | Benzotriazole BT is a low volatile benzotriazole UV light absorber and stabilizer. |
| Flammability and Explosibility | Not classified |
2-(2H-Benzotriazol-2-yl)-4,6-bis(1-methyl-1-phenylethyl)phenol Preparation Products And Raw materials
