Comparing E450V - Tetrapotassium diphosphate vs E452VI - Sodium tripolyphosphate
Overview
Synonyms
Functions
Products
Found in 26 products
Found in 2,571 products
Search rank & volume
Awareness score
Search volume over time
Interest over time for 3 keywords in U.S. during the last 10 years.
Interest over time for 2 keywords in U.S. during the last 10 years.
Popular questions
What is tetrapotassium pyrophosphate used for?
It’s used in foods as a sequestrant, stabilizer, and emulsifying salt to bind minerals, control pH, and improve water-holding and texture (e.g., in processed meats/seafood and processed cheese). It’s also used in toothpaste as an anti-tartar agent.
What are the chemical properties of tetrapotassium pyrophosphate?
It’s an inorganic salt (K4P2O7) with the pyrophosphate anion; a white, water‑soluble powder that forms alkaline solutions (about pH 10) and strongly chelates calcium and magnesium. It buffers pH, disperses proteins, and can hydrolyze to orthophosphate under acidic conditions or enzymatic action.
What are the dangers of tetrapotassium 1 - 10 pyrophosphate?
Within permitted food levels, phosphates including tetrapotassium pyrophosphate are considered safe; excessive phosphate or potassium intake may disrupt mineral balance and is a concern for people with kidney disease or on potassium‑restricted diets. Dust or concentrated solutions can irritate eyes, skin, and the respiratory tract due to alkalinity.
What are the dangers of tetrapotassium pyrophosphate?
At approved food-use levels it’s considered safe (phosphates have a group ADI from EFSA); high intakes of phosphates or potassium can affect calcium balance or pose risks for those with kidney disease or hyperkalemia. As a powder/solution it may cause eye, skin, or respiratory irritation.
What is tetrapotassium pyrophosphate in toothpaste?
It’s a tartar-control agent that chelates calcium to inhibit plaque from hardening into calculus, and it helps keep stains dispersed. It also contributes to pH control in the formulation.
Is sodium tripolyphosphate bad for you?
Not at the low levels used in foods; regulators consider it acceptable within set limits, though very high intakes of phosphate additives may be a concern—especially for people with kidney disease or those advised to limit phosphorus.
What is sodium tripolyphosphate used for?
It’s added as a sequestrant and stabilizer to improve water retention, texture, and juiciness—commonly in seafood, meats, and poultry—and also helps emulsify and reduce drip loss.
How to remove sodium tripolyphosphate from fish?
You can reduce surface residues by rinsing and briefly soaking the fish in cold water (e.g., 10–20 minutes with water changes), but once absorbed it can’t be fully removed; choosing phosphate‑free products is the only way to avoid it entirely.
How to remove sodium tripolyphosphate from shrimp?
Rinse and soak the shrimp in cold water for 10–20 minutes (changing the water) to wash off some surface STPP, then drain and pat dry, but be aware that absorbed phosphate cannot be completely removed.
Is sodium tripolyphosphate safe?
Yes—when used within legal limits set by authorities like EFSA and FDA; EFSA has a group ADI for phosphates of 40 mg/kg body weight per day (as phosphorus), and people with kidney disease should limit intake of phosphate additives.