| Identification | Back Directory | [Name]
guaiaretic acid | [CAS]
500-40-3 | [Synonyms]
guaiaretic acid
[R,(-)]-1,4-Bis(4-hydroxy-3-methoxyphenyl)-2,3-dimethyl-1-butene
Phenol, 4,4'-[(1Z,3R)-2,3-dimethyl-1-butene-1,4-diyl]bis[2-methoxy- | [Molecular Formula]
C20H24O4 | [MOL File]
500-40-3.mol | [Molecular Weight]
328.4 |
| Chemical Properties | Back Directory | [Boiling point ]
490.887±40.00 °C(Press: 760.00 Torr)(predicted) | [density ]
1.150±0.06 g/cm3(Temp: 25 °C; Press: 760 Torr)(predicted) | [pka]
10.133±0.20(predicted) |
| Hazard Information | Back Directory | [Purification Methods]
Crystallise the acid once from pet ether (b 60-80o), twice from 60% aqueous MeOH and finally from EtOH (m 100-101o). UV has max 207 and 260nm (log 4.64 and 4.28). [King et al. J Chem Soc 4011 1964, Schrecker & Hartwell J Org Chem 21 381 1956.] |
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