Chemical Properties of Tramadol (CAS 27203-92-5)


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InChI Key
Molecular Weight1
Other Names
  • Ultram
  • (.+/-.)-2-[(Dimethylamino)methyl]-1-(3-methoxyphenyl)cyclohexanol, cis-
  • CG 315E
  • E 265
  • U 26255A
  • 2-[(Dimethylamino)methyl]-1-(3-methoxyphenyl)cyclohexanol, cis-
  • (.+/-.)-Tramadol
  • Cyclohexanol, 2-((dimethylamino)methyl)-1-(3-methoxyphenyl)-, cis-(.+/-.)-
  • Cyclohexanol, 2-((dimethylamino)methyl)-1-(m-methoxyphenyl)-
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Physical Properties

Property Value Unit Source
Δf 66.83 kJ/mol Joback Calculated Property
Δfgas -316.21 kJ/mol Joback Calculated Property
Δfus 25.75 kJ/mol Joback Calculated Property
Δvap 74.25 kJ/mol Joback Calculated Property
log10WS -2.98 Crippen Calculated Property
logPoct/wat 2.635 Crippen Calculated Property
McVol 223.400 ml/mol McGowan Calculated Property
Pc 2167.36 kPa Joback Calculated Property
Inp [1945.00; 1999.00]   Show Hide
Inp 1991.30 NIST
Inp 1999.00 NIST
Inp 1945.00 NIST
Inp 1999.00 NIST
Inp 1991.30 NIST
Tboil 739.30 K Joback Calculated Property
Tc 949.64 K Joback Calculated Property
Tfus 451.58 K Joback Calculated Property
Vc 0.808 m3/kmol Joback Calculated Property

Temperature Dependent Properties

Property Value Unit Temperature (K) Source
Cp,gas [676.71; 776.13] J/mol×K [739.30; 949.64] Show Hide
Cp,gas 676.71 J/mol×K 739.30 Joback Calculated Property
Cp,gas 695.05 J/mol×K 774.36 Joback Calculated Property
Cp,gas 712.53 J/mol×K 809.41 Joback Calculated Property
Cp,gas 729.26 J/mol×K 844.47 Joback Calculated Property
Cp,gas 745.36 J/mol×K 879.52 Joback Calculated Property
Cp,gas 760.94 J/mol×K 914.58 Joback Calculated Property
Cp,gas 776.13 J/mol×K 949.64 Joback Calculated Property

Similar Compounds

O-Desmethyl-cis-tramadol. N-Desmethyl-cis-tramadol. cis-Tramadol, trimethylsilyl ether. N-Desmethyl-cis-tramadol, N-trimethylsilyl-, trimethylsilyl ether. Hypoxanthine-7-ethanol, 2,3-dihydro-3-(diphenylmethyl)-, acetate. Zinc octaethylporphyrin chloride. SCHEMBL9488362. O-Desmethyl-cis-tramadol, bis(trimethylsilyl) ether. Brucine. Morphinan-3,6-diol, 7,8-didehydro-4,5-epoxy-17-methyl- (5«alpha»,6«alpha»)-, bis(trifluoroacetate) (ester). Triazolo[4,5-d]pyrimidin-7-ol,3h-v-, 5-amino-3-(2',3'-o-isopropylidene-beta-d-ribofuranosyl)-, 5'-diphenyl phosphate (keto form). Deserpidine. Paclitaxel. Ergotaman-3',6',18-trione, 9,10-dihydro-12'-hydroxy-2'-methyl-5'-(phenylmethyl)-, (5'«alpha»,10«alpha»)-. Ergotamine.

Find more compounds similar to Tramadol.


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