This standard specifies test methods for sodium carboxymethyl cellulose, including parameters such as moisture, degree of etherification, tack, purity, sodium glycolate, sodium chloride and density. Moisture and purity analysis is used to calculate the amount of active polymer and affects the accuracy of formulation design. The test procedure details various test methods to ensure a comprehensive analysis of sodium carboxymethyl cellulose. The standard is expressed in SI units and users are subject to safety practices and regulatory requirements.