Here is some information of solubility of Psudoephedrine plus some other info that may help you...java
and this is some additional data about this compound
CAS Number : 000090-82-4
Chem Name : d-Pseudoephedrine
Mol Formula: C10H15NO
Mol Weight : 165.24
Melting Pt : 119 deg C
Boiling Pt :
Water Solubility:
Value : 1.06E+005 mg/L
Temp : 25 deg C
Type : EST
Ref : MEYLAN,WM ET AL. (1996)
Log P (octanol-water):
Value : 0.89
Type : EXP
Ref : KRIL,MB & FUNG,HL (1990)
Vapor Pressure:
Value : 0.00083 mm Hg
Temp : 25 deg C
Type : EST
Ref : NEELY,WB & BLAU,GE (1985)
pKa Dissociation Constant:
Value : 10.3
Temp : 0 deg C
Type : EXP
Ref : PERRIN,DD (1965)
Henry's Law Constant:
Value : 8.65E-011 atm-m3/mole
Temp : 25 deg C
Type : EST
Ref : MEYLAN,WM & HOWARD,PH (1991)
Atmospheric OH Rate Constant:
Value : 9.97E-011 cm3/molecule-sec
Temp : 25 deg C
Type : EST
Ref : MEYLAN,WM & HOWARD,PH (1993)