sodium pyrophosphate
noun
: a crystalline acid salt Na2H2P2O7 of pyrophosphoric acid that has been added to hot dogs to give them color
called also sodium acid pyrophosphate
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“Sodium pyrophosphate.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/sodium%20pyrophosphate. Accessed 2 Dec. 2024.
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