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Name	2-PHENYLBENZIMIDAZOLE	EINECS	211-939-2
CAS No.	716-79-0	Density	1.211 g/cm³
PSA	28.68000	LogP	3.22990
Solubility	Slightly soluble in water.	Melting Point	293-296 °C(lit.)
Formula	C₁₃H₁₀N₂	Boiling Point	395.4 °C at 760 mmHg
Molecular Weight	194.236	Flash Point	210 °C
Transport Information	N/A	Appearance	white to beige-grey powder and/or chunks
Safety	26-39	Risk Codes	22-37/38-41
Molecular Structure		Hazard Symbols	Xn
Synonyms	Benzimidazole,2-phenyl- (6CI,8CI);2-Phenyl-1H-benzimidazole;G 570;Gainex;NSC 251956;Phenizidole;Phenzidol;Phenzidole;	Article Data	721

2-PHENYLBENZIMIDAZOLE Synthetic route

: 721-47-1
2'-Aminobenzanilid

: 716-79-0
2-phenyl-1H-benzoimidazole

Conditions

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%

: 620-40-6
tribenzylamine

: 95-54-5
1,2-diamino-benzene

: 716-79-0
2-phenyl-1H-benzoimidazole

Conditions

Conditions	Yield
With 5%-palladium/activated carbon In water; toluene at 110℃; for 20h; Inert atmosphere;	100%

: 88-74-4
2-nitro-aniline

: 100-51-6
benzyl alcohol

: 716-79-0
2-phenyl-1H-benzoimidazole

Conditions

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

Conditions	Yield
In N,N-dimethyl acetamide at 120 - 130℃; for 24h;	99.6%

: 100-52-7
benzaldehyde

: 95-54-5
1,2-diamino-benzene

: 716-79-0
2-phenyl-1H-benzoimidazole

Conditions

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%

: 95-54-5
1,2-diamino-benzene

: 100-51-6
benzyl alcohol

: 716-79-0
2-phenyl-1H-benzoimidazole

Conditions

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%

: 93-97-0
benzoic acid anhydride

: 95-54-5
1,2-diamino-benzene

: 716-79-0
2-phenyl-1H-benzoimidazole

Conditions

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

Conditions	Yield
With 1-n-butyl-3-methylimidazolim bromide In neat (no solvent) at 120℃; for 1.5h;	A 92% B 97%

: 95-54-5
1,2-diamino-benzene

: 88-99-3
benzene-1,2-dicarboxylic acid

: 716-79-0
2-phenyl-1H-benzoimidazole

Conditions

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

: 717-57-7
N-benzylidene-o-phenylenediamine

: 716-79-0
2-phenyl-1H-benzoimidazole

Conditions

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%

2-PHENYLBENZIMIDAZOLE Chemical Properties

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:293-296^oC(lit.)
Boiling Point:395.4^oC at 760 mmHg
Flash Point:210^oC
Appearance:off-white powder
Vapour Pressure:1.84E-06 mmHg at 25^oC
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

2-PHENYLBENZIMIDAZOLE Uses

2-Phenylbenzimidazole(716-79-0) is used as an important intermediate.

2-PHENYLBENZIMIDAZOLE Toxicity Data With Reference

ipr-mus LD50:167 mg/kg

FRPSAX Farmaco, Edizione Scientifica. 33 (1978),516.

2-PHENYLBENZIMIDAZOLE Consensus Reports

Reported in EPA TSCA Inventory.

2-PHENYLBENZIMIDAZOLE Safety Profile

Poison by intraperitoneal route. When heated to decomposition it emits toxic fumes of NO_x.

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

2-PHENYLBENZIMIDAZOLE Specification

Handling and Storage:
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.

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