(1% solution) 6.0â8.5Degree of substitution 0.70â0.90Purity % Min 99.5Loss on drying Max 10.0Coliform( MPN/100g) Max30Salmonella absent/gA dish of ice cream, a tube of toothpaste, some laundry detergents and artificial teardrops all rely upon the synthetic gum, sodium carboxymethyl lose for their creamy taste, squeezability, soil-lifting strength and lubricating effect. Sodium carboxymethyl is derived from natural lose treated with chloroacetic acid.