| [6]annulene; benzene; benzol; benzole; cyclohexatriene; phene; phenyl hydride |
| In russian: | бензол |
| Links: | 🌍 Wikipedia, 📏 NIST, 📖 PubMed,
📖Houben-Weyl, 2. Band (Benzol); p. 71,
134,
156,
277,
298,
📖Org. Chem., v. Richter, 1. Vol (Benzene); p. 88, |
| CAS RN: | [71-43-2] |
| Formula: | C6H6; 78.11 g/mol
|
| InChiKey: | UHOVQNZJYSORNB-UHFFFAOYSA-N |
| SMILES: | c1ccccc1 |
 |
| Use: | airplane dope; antipyrin; blackings; coke ovens; disinfectants; dry cleaning compounds; dye intermediates; dyes; engraving; gasoline; glue stock degreasing; indigo dyes; lacquers; linoleum; lithographing; medicine; nitrobenzene; oil cloth; organic chemicals; paint removers; perfumes; phenacetin; phenol; photography; picric acid; rubber cements; saccharin; salicylic acid; shoe polish soaps; splicing solutions; spreading compound; textile cleaning and preservations |
| Toxicology (LD50): | 527 mg/Kg (guinea~pig, ip); 51.0 mg/Kg(human, or); 1 430 mg/Kg(rat, ip); 930 mg/Kg(rat, or); 5 700 mg/Kg(rat, or) |
| Density: | 0.879 g/mL |
| Molar volume: | 88.9 mL/mol |
| Refractive index: | 1.501 |
| Molecular refractive power: | 26.20 mL/mol |
| Dielectric constant: | 2.28 |
| Dipole moment: | 0.00 D |
| Melting point: | 6 °C |
| Boiling point: | 81 °C |
| Vapour pressure: | 78 Torr |
Antoine equation
P(Torr) vs T(°C) |  |
| Surface tension: | 28.90 dyn/cm |
| Viscosity: | 0.65 cP |
| Critical temperature: | 289 °C |
| Critical pressure: | 48.4 atm |
| Critical volume: | 259.00 ml/mol |
| Evaporation rate (ether): | 2.6 |
| Evaporation rate (butyl acetate): | 3.5 |
| Solubility in water: | 0 % w/w |
| Solubility of water: | 0 % w/w |
| Log10 partition water / activated carbon: | 3.60 |
| Log10 partition octanol / water: | 2.14 |
| Snyder P': | 2.7 |
| Snyder X: | Xe: 0.2 Xd: 0.3 Xn: 0.5 |
| Solvent strength (ε0, silica): | 0.25 |
| Solvent strength (ε0, alumina): | 0.32 |
| Dimroth ET: | 34.3 |
| Hildebrant solubility parameter (δ): | 9.2 |
| Hansen solubility parameter: | δd: 9.0 (cal/mL)^0.5 δp: 0.0 (cal/mL)^0.5 δh: 1.0 (cal/mL)^0.5 |
| Kauri butanol value: | 112 |
Immiscible with:
(+-)-3-chloro-1,2-propanediol, 1,2,3-propanetriol, 1,2-propanediol, 1,3-butanediol, 1,3-propanediol, 2-(2-aminoethylamino)ethanol, ethanediol, formamide, nitromethane, sulfuric acid |
Partially miscible with:
(R,S)-2,3-butanediol, 2-bromoethyl acetate, triethylene glycol |
Miscible with:
(E)-3-phenyl-2-propenal, 1,2-diacetoxyethane, 1,2-diethoxyethane, 1-heptadecanol, 1-tetradecanol, 2,4-pentanedione, 2,6,8-trimethyl-4-nonanone, 2,6-dimethyl-4-heptanone, 2-(2-butoxyethoxy)ethanol, 2-(2-ethoxyethoxy)ethanol, 2-(2-methoxyethoxy)ethanol, 2-amino-2-methyl-1-propanol, 2-butoxyethanol, 2-chloroethanol, 2-ethoxyaniline, 2-ethoxyethanol, 2-ethylbutanoic acid, 2-ethylhexanol, 2-methoxyethanol, 2-methyl-1-propanethiol, 2-phenoxyethanol, 2-propanone, 3,6,9-trioxaundecane, 3-chloropropanol, 3-heptanol, 3-methyl-1-butanol, 3-methyl-2-butanone, 3-methylbutyl acetate, 4-methyl-2-pentanone, 4-methylpentanoic acid, 4-oxa-2,6-heptandiol, N,N-diethylformamide, N,N-dipropylaniline, N-(2-aminoethyl)ethane-1,2-diamine, a-methylbenzyldimethylamine, benzaldehyde, benzonitrile, benzothiazole, benzyl alcohol, butanol, butyl acetate, dibenzyl ether, dibutyl carbonate, dibutyl ether, dibutyl hydrogen phosphite, diethyl ether, diethylene glycol dibutyl ether, dihexyl ether, diisopropylamine, dimethyl disulfide, dipentylamine, ethanol, ethyl (E)-3-phenylprop-2-enoate, ethyl benzoate, ethyl chloroacetate, ethyl isothiocyanate, ethyl phenylacetate, ethyl thiocyanate, furfuryl alcohol, heptyl acetate, hexanedinitrile, hexanenitrile, isoamyl sulfide, octanol, phenylmethanethiol, pyridine, tetrachloromethane, tetraethylene glycol dibutyl ether, tributyl phosphate, tributylamine, trichloromethane, triethyl phosphate, triethylenetetramine |
100g dissolves:
775g phenyl 2-hydroxybenzoate; 100g cocaine; 95.3g 2-nitrophenol; 87.5g benzophenone; 83.8g 1,4-dibromobenzene; 78.6g benzophenone; 59.7g 4-nitrobenzyl chloride; 59.5g phenanthrene; 39.45g 1,3-dinitrobenzene; 36g naphthalene; 35g 1,3-dinitrobenzene; 26.9g (Z)-2,3-dibromo-3-phenylprop-2-enoic acid; 21.2g (E)-2,3-dichloro-3-phenylprop-2-enoic acid; 17.85g aconitine; 14.1g 1-methyl-1-phenylurea; 12.65g iodine; 12.23g benzoic acid; 11.6g benzoic acid; 11.4g codeine; 11g (E)-2-chloro-3-phenylprop-2-enoic acid; 10.6g (E)-2,3-dibromo-3-phenylprop-2-enoic acid; 9.76g hydrastinine; 9.56g 2,4,6-trinitrophenol; 8.95g triphenylmethane; 8.8g benzoic acid; 8.33g phenol; 6.9g (E)-2-bromo-3-phenylprop-2-enoic acid; 6.2g 1,3,5-trinitrobenzene; 6.1g (Z)-2,3-dichloro-3-phenylprop-2-enoic acid; 5.66g 1,2-dinitrobenzene; 5.17g (E)-2-bromo-3-phenylprop-2-enoic acid; 4g chrysarobin; 3.17g (E)-3-chloro-3-phenylprop-2-enoic acid; 2.6g (E)-2-chloro-3-phenylprop-2-enoic acid; 2.46g acetanilide; 2.451g quinidine; 2.45g quinidine; 2.45g 3-nitroaniline; 1.98g 4-nitroaniline; 1.94g (E)-3-chloro-3-phenylprop-2-enoic acid; 1.86g anthracene; 1.7g quinine; 1.7g sulfur; 1.58g (E)-3-bromo-3-phenylprop-2-enoic acid; 1.35g quinidine; 1.145g tetra(phenyl)plumbane; 1.12g brucine; 1.068g tetracyclohexyl lead; 1.05g 2-chlorobenzoic acid; 0.94g colchicine; 0.911g caffeine; 0.9g 3-nitrobenzoic acid; 0.9g 2-hydroxybenzoic acid; 0.86g (E)-3-bromo-3-phenylprop-2-enoic acid; 0.78g 2-hydroxybenzoic acid; 0.77g strychnine; 0.769g hyoscyamine; 0.65g 4'-ethoxyacetanilide; 0.538g 9,10-phenanthraquinone; 0.5g quinine; 0.33g 2-nitrobenzoic acid; 0.256g anthraquinone; 0.13g 3-chlorobenzoic acid; 0.127g cinchonidine; 0.099g cinchonidine; 0.0625g morphine; 0.0597g benzylurea; 0.057g cinchonine; 0.0545g cinchonine; 0.043g (4-methylphenyl)urea; 0.022g 3,4,5-trihydroxybenzoic acid; 0.02g 4-chlorobenzoic acid; 0.02g 4-nitrobenzoic acid; 0.0155g (2-methylphenyl)urea; 0.0086g (R,R)-tartaric acid; 0.008g 3-hydroxybenzoic acid; 0.008g camphoric acid; 0.0027g 4-hydroxybenzoic acid; 0g citric acid |
1g dissolves in:
0.15g formic acid; 1.33g 1,4-dibromobenzene; 1,219.51g water |
| Specific heat capacity: | 31.0 cal/molK |
| Latent heat of fusion: | 2,375 cal/mol |