This specification covers muriatic acid, also known as technical grade hydrochloric acid. This specification includes requirements for muriatic acid available commercially in 20° Baume and 22° Baume concentration grades. Muriatic acid shall conform to the following chemical and physical requirements: total acidity of hydrochloric acid; iron content; and Baume gravity. To determine the requirements, a test shall be performed in accordance to the test method.

1.1 This specification covers muriatic acid, also known as technical grade hydrochloric acid.

1.2 This specification includes requirements for muriatic acid available commercially in 20° Baumé and 22° Baumé concentration grades.

1.3 The values stated in SI units are to be regarded as standard. The values given in parentheses are for information only.

1.4 Review the current Material Safety Data Sheets (MSDS) for detailed information concerning toxicity, first aid procedures, handling and safety precautions.

1.5 The following safety hazards caveat pertains only to the test methods portion, Section 5:This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.