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Pseudoephedrine Structure

Pseudoephedrine

Chemical Properties

Melting point 118-120 °C
alpha  52 º (c=0.6, EtOH)
Boiling point 293.09°C (rough estimate)
Density  1.0203 (rough estimate)
vapor pressure  0.016-0.032Pa at 20-25℃
refractive index  1.5200 (estimate)
Flash point 9℃
storage temp.  -20°C
solubility  DMF: 30 mg/ml; DMSO: 30 mg/ml; Ethanol: 30 mg/ml; PBS (pH 7.2): 5 mg/ml
form  Crystalline
pka pKa 9.73(H2O,t=25±0.5,I=0.01)(Approximate)
optical activity [α]20/D +52°, c = 0.6 in ethanol
Water Solubility  <0.5g/L(er)
Merck  13,8007
BRN  2414132
Stability Stable. Combustible. Incompatible with strong oxidizing agents. May discolour upon exposure to light.
LogP 0.89 at 25℃
CAS DataBase Reference 90-82-4(CAS DataBase Reference)
NIST Chemistry Reference Pseudoephedrine, (+)-(90-82-4)
EPA Substance Registry System Benzenemethanol, .alpha.-[(1S)-1-(methylamino)ethyl]-, (.alpha.S)- (90-82-4)

Safety Information

Hazard Codes  Xn,T,F
Risk Statements  20/21/22-36/37/38-39/23/24/25-23/24/25-11
Safety Statements  26-37/39-45-36/37-16-7
RIDADR  1544
WGK Germany  3
RTECS  UL5800000
HazardClass  6.1(b)
PackingGroup  III
Hazardous Substances Data 90-82-4(Hazardous Substances Data)
Toxicity LD50 oral in rat: 660mg/kg

MSDS

Usage And Synthesis

Preparation Products And Raw materials