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Sodium Phosphate Dibasic

Medically reviewed by Last updated on Feb 16, 2023.

Excipient (pharmacologically inactive substance)

What is it?

Sodium phosphate dibasic, Na2HPO4, is also known as disodium phosphate. It may be used to adjust pH, is used in food products often as a thickener, and may be used in houseshold products and cleaning agents. Sodium phosphates are also used as a saline laxative medicine in adults to treat constipation and to clean the bowel before a colonoscopy.[1]

List of medications using Sodium Phosphate Dibasic


  1. Sodium biphosphate and Sodium phosphate. Accessed March 3, 2015 at

Further information

Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.