This natural wood fiber, also known as ActiFibe, presents as a white to pale beige solid. It is soluble in water and should be stored in a tightly closed container in a dry and well-ventilated place. Store under inert gas to keep this substance is stable under recommended storage conditions. (+)-Arabinogalactan is found naturally in larch wood and is incompatible with strong oxidizing agents. This is not a hazardous substance.