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| CAS No.: | 3147-75-9 |
|---|---|
| Name: | Octrizole |
| Molecular Structure: | |
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|
|
| Formula: | C20H25N3O |
| Molecular Weight: | 323.438 |
| Synonyms: | 2-(2'-Hydroxy-5'-t-octylphenyl)benzotriazole;Octrizole [USAN:INN];Phenol, 2-(2H-benzotriazol-2-yl)-4-(1,1,3,3-tetramethylbutyl)-;UV Absorber-5;2-(2'-Hydroxy-5'-(1,1,3,3-tetramethylbutyl)phenyl)benzotriazole;2-(2'-Hydroxy-5'-tert-octylphenyl)benzotriazole;2-(2-Hydroxy-5-t-octylphenyl)-2H-benzotriazole;2-(2H-Benzotriazol-2-yl)-4-(1,1,3,3-tetramethylbutyl)phenol;2-(5'-tert-Octyl-2'-hydroxyphenyl)benzotriazole;2-(5-t-Octyl-2-hydroxyphenyl)benzotriazole;2-Benzotriazolyl-4-tert-octylphenol;Cyasorb 5411;Cyasorb UV 5411;Octrizo;Octrizol [INN-Spanish];2-(2-Hydroxy-5-tert-octylphenyl)benzotriazole;Seesorb 709;Spectra-Sorb UV 5411;Sumisorb 340;UNII-R775Y233N3;Viosorb 583; |
| EINECS: | 221-573-5 |
| Density: | 1.1 g/cm3 |
| Melting Point: | 101-108 °C |
| Boiling Point: | 471.8 °C at 760 mmHg |
| Flash Point: | 239.2 °C |
| Solubility: | 2μg/L at 20℃ |
| Appearance: | Slightly yellowish powder |
| Hazard Symbols: |
 Xi
|
| Risk Codes: | 36/37/38 |
| Safety: | 26-37/39 |
| PSA: | 50.94000 |
| LogP: | 4.83990 |
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- 3147-75-9
Cyasorb UV 5411
| Conditions | Yield |
|---|---|
| In isopropyl alcohol at 80 - 82℃; for 4h; | 97.5% |
- 51656-57-6
2-(2'-hydroxy-5'-tert-octylphenyl)nitrodiazobenzene
- 3147-75-9
Cyasorb UV 5411
| Conditions | Yield |
|---|---|
| With methanol; Aminoiminomethanesulfinic acid; sodium hydroxide In toluene at 50 - 80℃; for 0.5h; Reagent/catalyst; Solvent; Temperature; | 96.4% |
| With sodium hydroxide; zinc In water; Petroleum ether at 50℃; for 5h; |
- 51656-57-6
2-(2-Nitro-phenylazo)-4-(1,1,3,3-tetramethyl-butyl)-phenol
- 3147-75-9
Cyasorb UV 5411
| Conditions | Yield |
|---|---|
| With sodium hydroxide; thiourea S,S-dioxide In water; isopropyl alcohol for 3h; Heating; | 96% |
- 3147-75-9
Cyasorb UV 5411
| Conditions | Yield |
|---|---|
| 93% |
| Conditions | Yield |
|---|---|
| Stage #1: 2-nitro-aniline With sulfuric acid In water for 0.333333h; Stage #2: With sodium nitrite In water at 0℃; for 2.5h; Cooling with ice; Stage #3: tert-octylphenol Further stages; | 90.01% |
| Multi-step reaction with 2 steps 1.1: sodium nitrite; hydrogenchloride / water / -15 - 5 °C 1.2: 2 h / 0 °C 2.1: zinc; sodium hydroxide / water; Petroleum ether / 5 h / 50 °C View Scheme |
- 3147-75-9
Cyasorb UV 5411
| Conditions | Yield |
|---|---|
| With hydrogenchloride In water; toluene at 70℃; for 2h; Concentration; Temperature; Reagent/catalyst; | 89.5% |
| With hydrogenchloride; zinc In toluene Reflux; | 88.2% |
- 27959-42-8
2-nitro-2'-hydroxy-5'-tert-butylazobenzene
- 3147-75-9
Cyasorb UV 5411
| Conditions | Yield |
|---|---|
| 85% | |
| 85% |
- 3147-75-9
Cyasorb UV 5411
| Conditions | Yield |
|---|---|
| 83.7% |
- 3147-75-9
Cyasorb UV 5411
| Conditions | Yield |
|---|---|
| With dimethyl amine; palladium-carbon In water; toluene | 82.9% |
| Conditions | Yield |
|---|---|
| With sodium hydroxide; sulfuric acid; paraformaldehyde In methanol; water | |
| With sodium hydroxide; sulfuric acid; paraformaldehyde In methanol; water |
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Chemistry
Molecular Structure:
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IUPAC Name: 2-(Benzotriazol-2-yl)-4-(2,4,4-trimethylpentan-2-yl)phenol
Synonyms of 2-(2-Hydroxy-5-tert-octylphenyl)benzotriazole (CAS NO.3147-75-9): 2-(2'-Hydroxy-5'-t-octylphenyl)benzotriazole ; Octrizole [USAN:INN] ; Phenol, 2-(2H-benzotriazol-2-yl)-4-(1,1,3,3-tetramethylbutyl)- ; UV Absorber-5 ; 2-(2'-Hydroxy-5'-(1,1,3,3-tetramethylbutyl)phenyl)benzotriazole ; 2-(2'-Hydroxy-5'-tert-octylphenyl)benzotriazole ; 2-(2'-Hydroxy-5'-tert-octylphenyl)benztriazole; 2-(2-Hydroxy-5-t-octylphenyl)-2H-benzotriazole; 2-(2-Hydroxy-5-tert-octylphenyl)-2H-benzotriazole ; 2-(2H-Benzotriazol-2-yl)-4-(1,1,3,3-tetramethylbutyl)phenol ; 2-(5'-tert-Octyl-2'-hydroxyphenyl)benzotriazole ; 2-(5-t-Octyl-2-hydroxyphenyl)benzotriazole ; 2-Benzotriazolyl-4-tert-octylphenol ; Cyasorb 5411 ; Cyasorb UV 5411 ; EINECS 221-573-5 ; Octrizol ; Octrizol [INN-Spanish] ; Octrizole ; Octrizolum ; Octrizolum [INN-Latin] ; Seesorb 709 ; Spectra-Sorb UV 5411 ; Sumisorb 340 ; Tinuvin 329 ; UNII-R775Y233N3 ; Viosorb 583 ; UV-329
Registry Number: 3147-75-9
Deleted Registry Number(s): 123307-21-1
Molecular Formula: C20H25N3O
Molecular Weight: 323.432
H bond acceptors: 4
H bond donors: 1
Freely Rotating Bonds: 5
Polar Surface Area: 39.94 Å2
Index of Refraction: 1.584
Molar Refractivity: 98.12 cm3
Molar Volume: 292.8 cm3
Surface Tension: 39.3 dyne/cm
Density: 1.1 g/cm3
Flash Point: 239.2 °C
Enthalpy of Vaporization: 76.27 kJ/mol
Boiling Point: 471.8 °C at 760 mmHg
Vapour Pressure: 1.58E-09 mmHg at 25°C
Uses
2-(2-Hydroxy-5-tert-octylphenyl)benzotriazole (CAS NO.3147-75-9) is used as polystyrene, poly methyl methacrylate, polyester, rigid PVC, polycarbonate, ABS resin, etc.
Safety Profile
Hazard Codes: Xi
Risk Statements of 2-(2-Hydroxy-5-tert-octylphenyl)benzotriazole (CAS NO.3147-75-9): 36/37/38
R36/37/38: Irritating to eyes, respiratory system and skin.
Safety Statements: 26-37/39
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S37/39: Wear suitable gloves and eye/face protection.
WGK Germany: 1