Structural Formula Vector Image
Title: Piperoxan
CAS Registry Number: 59-39-2
CAS Name: 1-[(2,3-Dihydro-1,4-benzodioxin-2-yl)methyl]piperidine
Additional Names: 2-piperidinomethyl-1,4-benzodioxan; 2-(1-piperidylmethyl)-1,4-benzodioxan; benzodioxane
Trademarks: Benodaine (Merck & Co.)
Molecular Formula: C14H19NO2
Molecular Weight: 233.31
Percent Composition: C 72.07%, H 8.21%, N 6.00%, O 13.72%
Literature References: a-Adrenergic blocker. Prepn: Fourneau, US 2056046 (1936 to Rhône-Poulenc).
Properties: bp17 193°.
Boiling point: bp17 193°
Derivative Type: dl-Form hydrochloride
Manufacturers' Codes: Compd 933F; Fourneau 933
Molecular Formula: C14H19NO2.HCl
Molecular Weight: 269.77
Percent Composition: C 62.33%, H 7.47%, N 5.19%, O 11.86%, Cl 13.14%
Properties: Crystals, mp 232-234° (darkens at 220°). uv max: 275 nm (E1%1cm 82); min: 240 nm (E1%1cm <5). Freely sol in water, pH of 1% soln ~5. Alkalies liberate the water-insol base. Soluble in acid solns. Soly in isopropanol: ~10.8 mg/g at 25°. Crystals are not hygroscopic and are stable to light, air, and normal storage temps. An aq soln at its own pH (5) is stable to autoclaving and to many months of storage at room temp.
Melting point: mp 232-234° (darkens at 220°)
Absorption maximum: uv max: 275 nm (E1%1cm 82)
Therap-Cat: Antihypertensive. Diagnostic aid (pheochromocytoma).
Keywords: Antihypertensive; Diagnostic Aid.

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