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Are Mineral Acids and Salts (E507–E530) Halal?

Yes — this one is Halal.

Halal
Medium confidence About this ruling

About this ruling

Evidence confidence
Medium means a certifier is named, but the link lands on its portal rather than on a listing for this item. Use this page as orientation, then read the pack in your hand.
How we score High, Medium, and Low

Reviewed

Hydrochloric and sulphuric acids, chloride and sulphate salts, and hydroxide/oxide processing aids are inorganic.

Next step Treat these mineral processing aids as Halal. Calcium chloride firms tofu and cheese; calcium sulphate is tofu gypsum. They are not animal tissue. How to verify
Scan a label

Additive identity

E-number
E507, E508, E509, E511, E512, E513, E514, E515, E516, E517, E524, E525, E526, E527, E528, E529, E530
Codex INS
INS 507, INS 508, INS 509, INS 511, INS 512, INS 513, INS 514, INS 515, INS 516, INS 517, INS 524, INS 525, INS 526, INS 527, INS 528, INS 529, INS 530
Function
acidity regulator
Family
mineral acids
EU Union list
authorised
Names
Hydrochloric acid; Potassium chloride; Calcium chloride; Magnesium chloride; Stannous chloride; Sulphuric acid; Sodium sulphates; Potassium sulphates; Calcium sulphate; Ammonium sulphate; Sodium hydroxide; Potassium hydroxide; Calcium hydroxide; Ammonium hydroxide; Magnesium hydroxide; Calcium oxide; Magnesium oxide

Possible source pathways

The finished molecule can be identical across feedstocks. The Halal ruling follows the pathway, not the code alone.

E507 Possible source pathways

  • mineral Halal Typical Mineral or inorganic identity. Not meat, wine, or insect colour.

E-number database

What decides the answer

  • These mineral codes

    Halal

  • Tofu gypsum / chloride

    Halal coagulant

  • Cheese still needs rennet

Why this ruling

This page covers the plain mineral additives: acids, chlorides, sulphates, hydroxides and oxides that are made from salt, rock, lime and simple chemistry. They are inorganic, with no animal or alcohol source, and they are Halal.[2][4] Certifier lists put them with the additives that need no check.[5] "Chemical-sounding" is not the same as doubtful.

What they are and what they do

Code Name Typical use
E507 Hydrochloric acid Making glucose syrup and hydrolysed proteins
E508 Potassium chloride Low-sodium salt
E509 Calcium chloride Firming tinned vegetables; helping milk set in cheesemaking
E511 Magnesium chloride (nigari) Setting firm tofu
E513–E517 Sulphuric acid and sulphates Acidity control; calcium sulphate (gypsum) sets tofu
E524, E525 Sodium and potassium hydroxide The lye bath on pretzels; alkalising cocoa
E526 Calcium hydroxide (slaked lime) Treating corn for tortillas and masa
E528–E530 Magnesium hydroxide and oxides Acidity control, anti-caking

US rules list hydrochloric acid as a generally recognised food substance.[1]

Where you have met them

  • Tofu is set with calcium sulphate or magnesium chloride; see tofu.
  • Pretzels get their dark crust from a sodium hydroxide bath; see pretzel.
  • Tortillas and tamales use corn soaked in calcium hydroxide; see tamales.
  • Dutch-process cocoa is alkalised with potassium hydroxide or carbonate; see cocoa.

What they do not settle

Calcium chloride in cheese helps the milk set, but it is not what sets it: rennet does that, and rennet has its own question; see cheese. A mineral additive on any label settles only itself. For the raising agents in the same number range, see sodium bicarbonate (E500).

How to verify

  1. Match E507–E517, E524–E530, calcium chloride, or gypsum.
  2. Halal.
  3. Read tofu coagulants vs animal rennet on cheese.

Quick checks

  • Mineral acids, chlorides, sulphates, hydroxides and oxides are inorganic: Halal.
  • Calcium sulphate (gypsum) and magnesium chloride (nigari) set tofu.
  • Calcium chloride in cheese is fine; the cheese's rennet is the question.

Frequently asked questions

Is calcium sulphate in tofu Halal?
Yes. Calcium sulphate (E516) is gypsum, a mineral coagulant.
Is sodium hydroxide Halal?
Yes. Sodium hydroxide (E524) is a mineral alkali used to process cocoa and give pretzels their crust.
Is calcium chloride Halal?
Yes. Calcium chloride (E509) firms tinned vegetables and helps milk set in cheese-making.
Is magnesium chloride (nigari) Halal?
Yes. Magnesium chloride (E511) is the traditional Japanese tofu coagulant, made from seawater.

Scholarly view

These are not 'chemicals therefore mashbooh'. Inorganic identity is Halal unless something else on the pack fails.

Sources

Named Islamic, certifier, manufacturer, and regulatory sources used on this page. Inline markers like [1] jump here. Retrieval dates show when we last checked the live URL. Editorial methodology.

Certifier / jurisdiction

  1. SANHA — E-numbers

    SANHA Retrieved

    Certifier: SANHA

    Certifier E-number literacy; not a product certificate.

Regulatory / labelling

  1. 21 CFR § 184.1057 hydrochloric acid

    U.S. eCFR Retrieved

    U.S. identity / GRAS or colour-additive listing—not a Halal ruling.

  2. Regulation (EC) No 1333/2008 on food additives

    European Union Retrieved

    Union-list identity—not a Halal certificate.

  3. European Commission — Food additives

    European Commission Retrieved

    EU additive literacy hub.

  4. Codex GSFA online

    FAO / WHO Codex Retrieved

    Codex INS / GSFA identity.

  5. U.S. FDA — Food additives

    U.S. Food and Drug Administration Retrieved

    US identity / labelling context—not a Halal ruling.

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