pyridine


azine; pyridine
Links:🌍 Wikipedia, 📏 NIST, 📖 PubMed
CAS:[110-86-1]
Formula:C5H5N; 79.10 g/mol
InChiKey:JUJWROOIHBZHMG-UHFFFAOYSA-N
SMILES:n1ccccc1
Molecular structure of pyridine
Use:alcohol denaturant; anticorrosive underground paints; dyeing assistants in textile processing; dyes; incandescent gas mantle manufacture; insecticides; medicines, Sulfapyridine; pickling inhibitor in acid cleaning of iron and steel; rubber accelerators
Density:0.983 g/mL
Molar volume:80.5 mL/mol
Refractive index:1.510
Molecular refractive power:24.07 mL/mol
Dielectric constant:12.50
Dipole moment:2.37 D
Melting point:-42 °C
Boiling point:115 °C
Vapour pressure:18 Torr
Antoine equation
P(Torr) vs T(°C)
Vapour pressure vs temperature
Surface tension:36.88 dyn/cm
Viscosity:0.95 cP
Critical temperature:347 °C
Critical pressure:55.7 atm
Critical volume:254.00 ml/mol
Evaporation rate (ether):12.7
Solubility in water:100 % w/w
Solubility of water:100 % w/w
Log10 partition water / activated carbon:2.26
Log10 partition octanol / water:0.64
Snyder P':5.3
Snyder X:Xe: 0.4    Xd: 0.2    Xn: 0.4
Solvent strength (ε0, alumina):0.71
Dimroth ET:40.5
Hildebrant solubility parameter (δ):10.7
Hansen solubility parameter:δd: 9.3 (cal/ml)^0.5   δp: 4.3 (cal/ml)^0.5   δh: 2.9 (cal/ml)^0.5
Miscible with:
(+-)-3-chloro-1,2-propanediol,    (R,S)-2,3-butanediol,    1,2,3-propanetriol,    1,2-diacetoxyethane,    1,2-diethoxyethane,    1,2-propanediol,    1,3-butanediol,    1,3-propanediol,    2,4-pentanedione,    2-(2-aminoethylamino)ethanol,    2-(2-butoxyethoxy)ethanol,    2-(2-ethoxyethoxy)ethanol,    2-(2-methoxyethoxy)ethanol,    2-amino-2-methyl-1-propanol,    2-butoxyethanol,    2-chloroethanol,    2-ethoxyethanol,    2-ethylhexanol,    2-methoxyethanol,    2-methyl-1-propanethiol,    2-phenoxyethanol,    3,6,9-trioxaundecane,    3-chloropropanol,    3-methyl-1-butanol,    4-hydroxy-4-methylpentan-2-one,    4-methyl-2-pentanone,    4-oxa-2,6-heptandiol,    N,N-dimethylaniline,    N,N-dipropylaniline,    benzaldehyde,    benzene,    benzonitrile,    benzothiazole,    benzyl alcohol,    butanol,    butyl acetate,    dibutyl hydrogen phosphite,    diethyl ether,    diethylene glycol dibutyl ether,    dimethyl disulfide,    ethanediol,    ethanol,    ethyl benzoate,    ethyl isothiocyanate,    ethyl thiocyanate,    formamide,    furfuryl alcohol,    hexanedinitrile,    isoamyl sulfide,    nitromethane,    octanol,    phenylmethanethiol,    tetrachloromethane,    tetraethylene glycol dibutyl ether,    tributylamine,    triethyl phosphate,    triethylene glycol
100g dissolves:
394g 1,3-dinitrobenzene;    302g diphenylamine;    296g benzene-1,3,5-triol dihydrate;    260g 1,2-dinitrobenzene;    175g veratrine;    173.1g iodoform;    136.7g diazoaminobenzene;    101g quinine;    98.1g 4-O-a-D-glucopyranosyl-D-glucose;    87.7g coumarin;    85.9g triphenylmethane;    83.5g phthalic anhydride;    80.9g 2,2,2-trichloroethane-1,1-diol;    76.44g azobenzene;    75g raffinose;    68.1g cholesterol;    53.2g 1,4-dinitrobenzene;    41.5g rosaniline;    39g brucine;    38g antipyrine;    34.39g caffeine;    32.7g acetanilide;    27.9g N,N-dimethyl-4-phenyldiazenylaniline;    22.46g piperine;    20.2g benzoin;    17.75g acetamide;    14.6g malonic acid;    14.57g santonin;    14.15g phthalimide;    13.29g fluorescein;    12.5g thiourea;    11.1g vesuvin;    9.92g bis(4-dimethylaminophenyl)methanone;    9g thebaine;    8g atropine;    8g papaverine;    7.78g cinchonidine;    6.89g sucrose;    4.8g methyl oxalate;    2.5g erythritol;    2.3g noscapine;    2.23g lactose;    1.8g methyl orange;    1.5g strychnine;    1.4g cinchonine;    0.96g urea;    0.75g methyl orange;    0.61g glycine;    0.29g congo red;    0.26g methylene blue;    0.15g methyl orange
Specific heat capacity:34.0 cal/molK

Isomers

(2E)-penta-2,4-dienenitrile
Molecular structure of (2E)-penta-2,4-dienenitrile
(2Z)-penta-2,4-dienenitrile
Molecular structure of (2Z)-penta-2,4-dienenitrile
4-pentynenitrile
Molecular structure of 4-pentynenitrile
pyridine
Molecular structure of pyridine