Abstract: A multi-aliquot storage vessel including a container having an upper end and a lower end. At least one of the upper and lower ends is an open end. The length of the container between the upper and lower ends is divided into a plurality of aliquots, wherein a breakpoint is formed between each two of the plurality of aliquots. The container can be broken along these breakpoints through the application of a separating force, to divide the container into subunits containing one or more aliquots. A cap is formed to be attachable to an open end of the container. A sealing device seals the junction between the cap and the open end of the container. A break tool for facilitating the division of the container is also disclosed. The break tool includes upper and lower components, the proximal ends of which pivotably rotate about a hinge between an open position and a closed position.