... Oil drilling & completion fluid Easily soluble in water, Non-toxic Potassium formate,CAS 590-29-4 Introduction Liquid product is colorless and ... saturated solution is 1.58 g/cm3; solid product is white crytalline powder, strong moisture-absorbing performance, reducing, density 1.9100g ... .)Contact:bob at hnkingway dot comHenan Kingway Chemicals Co., Ltd. Potassium formate,CAS 590-29-4