sodium tripolyphosphate

American  

[trahy-pol-ee-fos-feyt] / ˌtraɪ pɒl iˈfɒs feɪt /

noun

Chemistry.

1. a white powder, Na 5 P 3 O 1 0 , used as a water softener, sequestering agent, and food additive.

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Etymology

Origin of sodium tripolyphosphate

First recorded in 1940–45; tri- + poly- + phosphate

Example Sentences

Frozen shrimp may contain preservatives like sodium tripolyphosphate and sodium bisulfite, which people with sulfite or phosphate sensitivities may want to avoid.

From Seattle Times • Jun. 2, 2024

For shrimp without packaging, stick to those with shells to avoid sodium tripolyphosphate.

From Washington Post • Jul. 15, 2022

“Whether farmed or wild caught, the cheaper the shrimp, the more likely it is to have been treated with chemicals, particularly sodium tripolyphosphate and sodium bisulfite,” Melissa Clark writes in the New York Times.

From Washington Post • Jul. 15, 2022