Phenylethanolamine
Title: Phenylethanolamine
CAS Registry Number: 7568-93-6
CAS Name: a-(Aminomethyl)benzenemethanol
Additional Names: a-(aminomethyl)benzyl alcohol; b-hydroxyphenethylamine
Molecular Formula: C8H11NO
Molecular Weight: 137.18
Percent Composition: C 70.04%, H 8.08%, N 10.21%, O 11.66%
Literature References: Prepn: Dornow, Theidel, Ber. 88, 1267 (1955).
Properties: Pale yellow crystals, mp 56-57°. bp17 157-160°. Freely sol in water. Gives an alkaline reaction in water and forms salts with acids under mild conditions.
Melting point: mp 56-57°
Boiling point: bp17 157-160°
 
Derivative Type: Sulfate
CAS Registry Number: 613-82-1
Additional Names: dl-a-Phenyl-b-aminoethanol sulfate
Trademarks: Apophedrin
Molecular Formula: (C8H11NO)2.H2SO4
Molecular Weight: 372.44
Percent Composition: C 51.60%, H 6.50%, N 7.52%, O 25.77%, S 8.61%
Literature References: Prepn: Roth, Arch. Pharm. 292, 76 (1959).
Properties: Crystals, mp 275-276° (Kofler). Soluble in water.
Melting point: mp 275-276° (Kofler)
 
Use: Free base as a stopping agent during polymerization of styrene-butadiene rubber; in the hardening of waxes. Intermediate in the manuf of pressor amines.
Therap-Cat: Sulfate as topical vasoconstrictor.

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