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Is Sodium Tripolyphosphate (E451) halal?

Sodium Tripolyphosphate (E451) is classified halal for halal use with High confidence. An inorganic polyphosphate salt used as a buffering or sequestrant agent. Synthetic mineral salt; no animal origin.

Excipient (buffer) · Confidence: High

Also known as: E451, STPP, sodium tripolyphosphate

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Find medicines containing Sodium Tripolyphosphate (E451)

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What it is

An inorganic polyphosphate salt used as a buffering or sequestrant agent.

Source:FDA IIG — Sodium tripolyphosphate EFSA — Polyphosphates re-evaluation

Why it's here

Adjusts pH and binds metal ions in some formulations.

See:FDA IIG — Sodium tripolyphosphate EFSA — Polyphosphates re-evaluation

Why it may matter

Synthetic mineral salt; no animal origin.

Source:FDA IIG — Sodium tripolyphosphate EFSA — Polyphosphates re-evaluation

Common sources

Synthetic

Reason codes

syntheticOrigin

Evidence & citations2

Common questions

Is Sodium Tripolyphosphate (E451) halal?: RxHalal currently classifies Sodium Tripolyphosphate (E451) as HALAL (High confidence). Synthetic mineral salt; no animal origin. This is information only — not a fatwa or medical advice.
What is Sodium Tripolyphosphate (E451) used for in medicines?: An inorganic polyphosphate salt used as a buffering or sequestrant agent. Adjusts pH and binds metal ions in some formulations.
What are common sources of Sodium Tripolyphosphate (E451)?: Common sources include: Synthetic. Manufacturers often do not disclose which source is used.