NEMBUTAL sodium solution (pentobarbital sodium injection) is a sterile solution for intravenous or intramuscular injection. Each ml contains 50 mg of pentobarbital sodium in a carrier of 40% propylene glycol, 10% alcohol, and water for injection, diluted to volume. The pH is adjusted to approximately 9.5 with hydrochloric acid and/or sodium hydroxide. This medicinal product is intended for injection into a muscle or vein. Buy pentobarbital sodium online, pentobarbital for euthanasia, pentobarbital sodium group, liquid pentobarbital sodium, sodium pentobarbital for animal euthanasia.