Anticoagulant Heparin Solution
» Anticoagulant Heparin Solution is a sterile solution of Heparin Sodium in Sodium Chloride Injection. Its potency is not less than 90.0 percent and not more than 110.0 percent of the potency stated on the label in terms of USP Heparin Units. It contains not less than 0.85 percent and not more than 0.95 percent of sodium chloride (NaCl). It may be buffered. It contains no antimicrobial agents.
Add the Heparin Sodium, in solid form or in solution, to the Sodium Chloride Injection, mix, filter if necessary, and sterilize.
Packaging and storage Preserve in single-dose containers, of colorless, transparent, Type I or Type II glass, or of a suitable plastic material (see Transfusion and Infusion Assemblies and Similar Medical Devices 161).
Labeling Label it in terms of USP Heparin Units, and to indicate the number of mL of Solution required per 100 mL of whole blood.
Bacterial endotoxins 85 It contains not more than 2.5 USP Endotoxin Units per mL.
pH 791: between 5.0 and 7.5.
Other requirements It meets the requirements under Injections 1.
Assay for heparin sodium Proceed as directed in the Assay under Heparin Sodium Injection, substituting Anticoagulant Heparin Solution for the Injection.
Assay for sodium chloride Pipet 10 mL of Solution into a suitable container, add 2 mL of potassium chromate TS, and titrate with 0.1 N silver nitrate VS. Each mL of 0.1 N silver nitrate is equivalent to 5.844 mg of NaCl.
Auxiliary Information Please check for your question in the FAQs before contacting USP.
USP32NF27 Page 1566