Choline Chloride feed grade is the most common and the most economical form of Choline mainly used as feed additives 1. Appearance: Yellow-brownish free flowing powder 2. Specifications: Choline Chloride Content: 60% Min Loss on Drying: 2% Max TMA: 300 PPM Max Particle Size(20mesh): 90% Min Heavy Metals: 0.002% Max