UV-320

Base Information

• Chemical Name: UV-320
• CAS No.: 3846-71-7
• Deprecated CAS: 104817-17-6,131242-54-1,134512-21-3,189377-88-6,29820-26-6,3135-21-5,208761-49-3,420135-91-7,474264-63-6,796971-92-1,1357193-40-8,134512-21-3,189377-88-6,208761-49-3,29820-26-6,3135-21-5,420135-91-7,474264-63-6,796971-92-1
• Molecular Formula: C20H25N3O
• Molecular Weight: 323.438
• European Community (EC) Number: 223-346-6
• UNII: US7KL87A2P
• DSSTox Substance ID: DTXSID4052059
• Nikkaji Number: J87.339J
• Wikidata: Q43105370
• Mol file: 3846-71-7.mol

Synonyms:Phenol,2-(2H-benzotriazol-2-yl)-4,6-di-tert-butyl- (7CI,8CI);2-(2-Benzotriazolyl)-4,6-di-tert-butylphenol;2-(2-Hydroxy-3,5-di-tert-butylphenyl)benzotriazole;2-(3,5-Di-tert-butyl-2-hydroxyphenyl)-2H-benzotriazole;Eversorb 77;Seesorb 705;Tinuvin 320;Viosorb 582;

Chemical Property of UV-320

Chemical Property:

• Vapor Pressure: 1.7E-08mmHg at 25°C
• Melting Point: 152-154 °C
• Refractive Index: 1.585
• Boiling Point: 444 °C at 760 mmHg
• PKA: 9.41±0.48(Predicted)
• Flash Point: 222.3 °C
• Density: 1.1 g/cm³
• Storage Temp.: 2-8°C
• Solubility.: Chloroform (Slightly), Methanol (Slightly)
• XLogP3: 7.3
• Hydrogen Bond Donor Count: 1
• Hydrogen Bond Acceptor Count: 3
• Rotatable Bond Count: 3
• Exact Mass: 323.199762429
• Heavy Atom Count: 24
• Complexity: 425

Purity/Quality:

99% ^*data from raw suppliers

UV-320 ^*data from reagent suppliers

Safty Information:

• Pictogram(s): R48/22:Harmful : danger of serious damage to health by prolonged exposure if swallowed.; R52/53:Harmful to aquatic organi
• Hazard Codes: R48/22:Harmful : danger of serious damage to health by prolonged exposure if swallowed.; R52/53:Harmful to aquatic organi
• Statements: 48/22-52/53
• Safety Statements: 26-36/37/39

MSDS Files:

SDS file from LookChem

Useful:

• Canonical SMILES: CC(C)(C)C1=CC(=C(C(=C1)N2N=C3C=CC=CC3=N2)O)C(C)(C)C
• Uses: UV-320 is a benzotriazole UV stabilizer, which is used to increase product stability and to prevent discolouration in various consumer and industrial goods such as plastics. Benzotriazole UV stabilizers are a pollutant for the aquatic environment and have been implicated as a potential stable and toxic ligands for aryl hydrocarbon receptor in human.

Technology Process of UV-320

There total 19 articles about UV-320 which guide to synthetic route it. The literature collected by LookChem mainly comes from the sharing of users and the free literature resources found by Internet computing technology. We keep the original model of the professional version of literature to make it easier and faster for users to retrieve and use. At the same time, we analyze and calculate the most feasible synthesis route with the highest yield for your reference as below:

synthetic route:

Reference yield: 99.0%

2,4-Di-tert-butyl-6-(2-nitro-phenylazo)-phenol (52184-14-2) → 2-(2'H-benzotriazol-2'-yl)-4,6-di-tert-butylphenol (3846-71-7)

Guidance literature:

With sodium hydroxide; thiourea S,S-dioxide; In water; isopropyl alcohol; for 3h; Heating;

DOI:10.1055/s-1986-31733

Reference yield: 98.0%

2-Nitro-2'-hydroxy-3',5'-di-tert-butyl-azobenzene → 2-(2'H-benzotriazol-2'-yl)-4,6-di-tert-butylphenol (3846-71-7)

Guidance literature:

With sodium hydroxide; In tetrahydrofuran; water; for 0.166667h; electrolysis, Pt cathode and anode;

DOI:10.1016/S0040-4039(97)10207-6

Reference yield: 93.0%

2,4-bis(1,1-dimethylethyl)-6-(1-oxido-2H-benzotriazol-2-yl)phenol (84755-44-2) → 2-(2'H-benzotriazol-2'-yl)-4,6-di-tert-butylphenol (3846-71-7)

Guidance literature:

With sodium hydroxide; In tetrahydrofuran; water; electrolysis, Pt cathode and anode;

DOI:10.1016/S0040-4039(97)10207-6

upstream raw materials:

2,4-bis(1,1-dimethylethyl)-6-[(2-nitrophenyl)diazenyl]phenol

2,4-Di-tert-butyl-6-(2-nitro-phenylazo)-phenol

2,4-bis(1,1-dimethylethyl)-6-(1-oxido-2H-benzotriazol-2-yl)phenol

2-(5'-chloro-2'H-benzotriazol-2'-yl)-4,6-di-tert-butylphenol

Downstream raw materials:

2,4-di-tert-butyl-6-(4,7-dibromo-2H-benzo[d][1,2,3]triazol-2-yl)phenol

2-(5-tert-butyl-2-hydroxyphenyl)benzotriazole

2-(2'H-benzotriazol-2'-yl)-6-t-butylphenol

2-(2-Hydroxyphenyl)-2H-benzotriazole

Refernces

• 1、 -. "Body-care and household products and compositions comprising specific sulfur-containing compounds". . . Retrieved 2009/04/24.
• 2、 -. "METHOD FOR PREPARING 2-(2-HYRDROXYPHENYL)-2H-BENZOTRIAZOLE". . . Retrieved 2008/06/13.