is widely used in fruit industry and beverage, dairy products, ice cream, dressings & sauces, instant noodle, canned food, meat product, cosmetics, papermaking, oil drilling, ceramics, textile priting,etc. It is a kind of API. There are some basic informations about this crude drug: (1)Classification: Organic Salt; (2)CAS No.: ; (3)Other Names: CMC; (4)MF: C₆H₇O₂(OH)₂OCH₂COONa; (5)EINECS No.:265-995-8;(6)Appearance:white or yellowish power.