... different purityStructural formula: [C6H7O2(OH)2CH2COONa]nMF: C8H1105Na2. SpecificationThe CMC has widely use, different grade has different specification. I ... customer special requirement.3. ApplicationIt is widely used in food, oil drilling, textile, detergent, mining, mosquito-repellent incense, paper, Ceramic, ... each. 24 months under dark, cool and dry conditions. cmc powder oil drilling grade