CHEMICAL AND PHYSICAL PROPERTIES
| Physical Description | Solid |
|---|---|
| Color/Form | Hexagonal plates from chloroform+petroleum ether; rods from ether |
| Melting Point | 195 °C (decomposes) |
| Solubility | MINUTE, WHITE OR GRAYISH WHITE, GLISTENING CRYSTALS OR WHITE POWDER; ODORLESS; SOLN ARE NEUTRAL TO LITMUS; LEVOROTATORY IN DIL ACID; 1 G SOL IN 50 ML WATER, IN ABOUT 50 ML ALCOHOL, & IN ABOUT 20 ML WATER @ 80 °C; PPT BY TANNIC ACID & OTHER ALKALOIDAL PRECIPITANTS & DECOMP BY OXIDIZING AGENTS. /HCL/ |
| LogP | 2 |
| Stability/Shelf Life | The drug is unstable in solution and must be prepared just prior to use ... |
| Optical Rotation | Small crystals (usually hemihydrate). Decomposes and turn green on exposure to light and air. Specific optical rotation -48 deg at 25 °C/D ( c = 1.2). pH of aqueous solution (1 in 300) = 4.8; One gram dissolves in 50 mL water, 17 mL water at 80 °C, 50 mL alcohol. Very slightly soluble in chloroform and ether. /Hydrochloride/ |
| Decomposition | When heated to decomposition it emits highly toxic fumes of nitroxides. |
| Dissociation Constants | pKb: 7.0; pKa: 8.92 |
| Other Experimental Properties | Decomposes at 195 °C; sublimes in high vacuum; oxidizes rapidly in air & becomes green; solutions darken rapidly |
COMPUTED DESCRIPTORS
| Molecular Weight | 267.32 g/mol |
|---|---|
| XLogP3 | 2.3 |
| Hydrogen Bond Donor Count | 2 |
| Hydrogen Bond Acceptor Count | 3 |
| Rotatable Bond Count | 0 |
| Exact Mass | 267.125928785 g/mol |
| Monoisotopic Mass | 267.125928785 g/mol |
| Topological Polar Surface Area | 43.7 Ų |
| Heavy Atom Count | 20 |
| Formal Charge | 0 |
| Complexity | 374 |
| Isotope Atom Count | 0 |
| Defined Atom Stereocenter Count | 1 |
| Undefined Atom Stereocenter Count | 0 |
| Defined Bond Stereocenter Count | 0 |
| Undefined Bond Stereocenter Count | 0 |
| Covalently-Bonded Unit Count | 1 |
| Compound Is Canonicalized | Yes |
PRODUCT INTRODUCTION
description
Apomorphine is an aporphine alkaloid. It has a role as an alpha-adrenergic drug, a serotonergic drug, an antidyskinesia agent, a dopamine agonist, an antiparkinson drug and an emetic. It derives from a hydride of an aporphine.