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| CAS No.: | 716-79-0 |
|---|---|
| Name: | 2-Phenylbenzimidazole |
| Article Data: | 721 |
| Molecular Structure: | |
|
|
|
| Formula: | C13H10N2 |
| Molecular Weight: | 194.236 |
| Synonyms: | Benzimidazole,2-phenyl- (6CI,8CI);2-Phenyl-1H-benzimidazole;G 570;Gainex;NSC 251956;Phenizidole;Phenzidol;Phenzidole; |
| EINECS: | 211-939-2 |
| Density: | 1.211 g/cm3 |
| Melting Point: | 293-296 °C(lit.) |
| Boiling Point: | 395.4 °C at 760 mmHg |
| Flash Point: | 210 °C |
| Solubility: | Slightly soluble in water. |
| Appearance: | white to beige-grey powder and/or chunks |
| Hazard Symbols: |
 Xn
|
| Risk Codes: | 22-37/38-41 |
| Safety: | 26-39 |
| PSA: | 28.68000 |
| LogP: | 3.22990 |
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| Conditions | Yield |
|---|---|
| With 2,6-lutidine hydrochloride; bis(triphenylphosphine)palladium(II)-chloride In N,N-dimethyl acetamide at 140℃; under 4912.9 Torr; for 1h; | 100% |
| With sodium dihydrogenphosphate In water at 120℃; for 16h; Sealed tube; | 95% |
| With Amberlyst-15 In water at 90℃; for 0.5h; Irradiation; | 92% |
| Conditions | Yield |
|---|---|
| With 5%-palladium/activated carbon In water; toluene at 110℃; for 20h; Inert atmosphere; | 100% |
| Conditions | Yield |
|---|---|
| With palladium with copper supported on alumina In water at 179.84℃; under 26252.6 Torr; for 12h; Autoclave; | 100% |
| With JRC-TIO-7-supported iridium catalyst In 1,3,5-trimethyl-benzene at 80℃; for 18h; Reagent/catalyst; Solvent; Inert atmosphere; Schlenk technique; | 99% |
| With (1,1'-bis(diphenylphosphino)ferrocene)palladium(II) dichloride In toluene at 160℃; for 24h; Catalytic behavior; Reagent/catalyst; Temperature; Solvent; Schlenk technique; Inert atmosphere; Sealed tube; | 97% |
- 434-45-7
1,1,1-trifluoroacetophenone
- 615-28-1
o-phenylenediamine dihydrochloride
- 716-79-0
2-phenyl-1H-benzoimidazole
| Conditions | Yield |
|---|---|
| In N,N-dimethyl acetamide at 120 - 130℃; for 24h; | 99.6% |
| Conditions | Yield |
|---|---|
| With [3-(1-methylimidazolium-3-yl)propane-1-sulfonate]3PW12O40; 1-butyl-3-methylimidazolium trifluoromethanesulfonimide at 40℃; for 10h; | 99% |
| With graphene sulfonic acid In 1,4-dioxane at 20℃; for 2h; Reagent/catalyst; | 99% |
| With ISO-PECH polyamine catalyst In methanol at 20℃; for 0.0666667h; Catalytic behavior; Solvent; Green chemistry; | 99% |
| Conditions | Yield |
|---|---|
| With C19H35Cl2CoN2P; sodium triethylborohydride In toluene at 150℃; for 24h; Molecular sieve; Schlenk technique; | 99% |
| With sodium t-butanolate In water at 75℃; for 8h; Reagent/catalyst; Solvent; Temperature; Green chemistry; | 96% |
| In 1,3,5-trimethyl-benzene at 120℃; for 18h; Temperature; Inert atmosphere; Schlenk technique; | 96% |
| Conditions | Yield |
|---|---|
| In 1-methyl-pyrrolidin-2-one; water at 445℃; under 225023 Torr; for 0.00277778h; Temperature; Pressure; Supercritical conditions; | 97% |
| With potassium fluoride on basic alumina; magnesium sulfate In acetonitrile at 20℃; for 1h; | 90% |
| With o-benzenedisulfonimide In neat (no solvent) at 50℃; for 6h; Green chemistry; | 87% |
| With water In 1-methyl-pyrrolidin-2-one at 445℃; under 262526 Torr; for 0.000627778h; Catalytic behavior; Pressure; Flow reactor; Green chemistry; | 98 %Chromat. |
- 965-50-4
N-(4-methoxyphenyl)-3-oxo-3-phenylpropanamide
- 95-54-5
1,2-diamino-benzene
A
- 104-94-9
4-methoxy-aniline
B
- 716-79-0
2-phenyl-1H-benzoimidazole
| Conditions | Yield |
|---|---|
| With 1-n-butyl-3-methylimidazolim bromide In neat (no solvent) at 120℃; for 1.5h; | A 92% B 97% |
| Conditions | Yield |
|---|---|
| at 250℃; under 187519 Torr; for 3h; Temperature; Autoclave; Inert atmosphere; | 97% |
| Multi-step reaction with 2 steps 1: 3 h / 200 °C / 187519 Torr / Autoclave; Inert atmosphere 2: water / 3 h / 375 °C / 187519 Torr / Autoclave; Inert atmosphere View Scheme |
| Conditions | Yield |
|---|---|
| With copper(ll) bromide In toluene at 100℃; for 24h; Mechanism; | 96% |
| With 8-quinolinol; oxygen; caesium carbonate; nickel dichloride for 0.216667h; Microwave irradiation; | 93% |
| With potassium superoxide; tetraethylammonium bromide In N,N-dimethyl-formamide at 20℃; Inert atmosphere; | 83% |
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Chemistry
IUPAC:2-phenyl-1H-benzimidazole
CAS:716-79-0
The Molecular formula of 2-Phenylbenzimidazole(716-79-0):C13H10N2
The Molecular Weight of 2-Phenylbenzimidazole(716-79-0):194.23
Synonyms:2-phenyl-1h-benzimidazol;2-phenyl-benzimidazol;gainex;phenizidole;phenzidol;phenzidole;ASISCHEM D50986;2-PHENYLBENZIMDAZOLE
EINECS:211-939-2
Density:1.211 g/cm3
Melting Point:293-296oC(lit.)
Boiling Point:395.4oC at 760 mmHg
Flash Point:210oC
Appearance:off-white powder
Vapour Pressure:1.84E-06 mmHg at 25oC
Refractive index:n20/D 1.688(lit.)
Product Categories:BENZIMIDAZOLE;Imidazoles, Pyrroles, Pyrazoles, Pyrrolidines;Imidazol&Benzimidazole;Benzimidazoles;Building Blocks;Heterocyclic Building Blocks
Mol File:716-79-0.mol
Uses
Toxicity Data With Reference
| 1. | ipr-mus LD50:167 mg/kg | FRPSAX Farmaco, Edizione Scientifica. 33 (1978),516. |
Consensus Reports
Safety Profile
Poison by intraperitoneal route. When heated to decomposition it emits toxic fumes of NOx.
Safty informations about 2-Phenylbenzimidazole(716-79-0):
Hazard Codes:Xn
Risk Statements:22-37/38-41
22(Harmful if swallowed)
37/38(Irritating to respiratory system and skin)
41(Risk of serious damage to eyes)
Safety Statements:26-39
26(In case of contact with eyes, rinse immediately with plenty of water and seek medical advice)
39(Wear eye/face protection)
WGK Germany:3
RTECS:DE0360000
Specification
Storage:Store in a cool, dry place. Keep container closed when not in use.
Handling:Wash thoroughly after handling. Remove contaminated clothing and wash before reuse. Avoid contact with eyes, skin, and clothing. Avoid ingestion and inhalation.