INS 337
antioxidants, phosphates, and complexing agentsPotassium Sodium Tartrates
Mushbooh (Questionable)
Is INS 337 (Potassium Sodium Tartrates) halal?
Source-dependent. May be derived from halal (plant/synthetic) or haram (animal) sources. Verify with the manufacturer or look for halal certification.
What to do
Don't assume. Ask the brand for halal certification or source information.
Where is INS 337 used?
INS (International Numbering System) codes are maintained by the Codex Alimentarius Commission and used on food labels in many countries outside the EU. You will commonly see INS 337 on packaging from:
In the EU and UK, the same additive appears as E337. The ingredient, halal status, and sourcing considerations are identical — only the labelling system differs.
EU / UK equivalent: E337
INS 337 and E337 refer to the same food additive — Potassium Sodium Tartrates. If you are checking a product purchased in the UK or Europe, look for E337 on the label instead.
See full E337 halal guide →About INS 337
Miscellaneous - tartaric acid and its salts it is Halal only if made from unfermented grapes such as in USA and canada. But in some countries it is made from the deposit on the wine wooden barrel then it will not be Halal.. Halal, if it is not obtained from wine by-product
⚠️ Verification Required
The halal status of INS 337 depends on its source. Always check for halal certification on the product packaging or contact the manufacturer directly.
Sources / Derived From
- tartaric acid + potassium and sodium hydroxide
Foods that commonly contain INS 337
Frequently Asked Questions
Is INS 337 (Potassium Sodium Tartrates) halal?
INS 337 (Potassium Sodium Tartrates) is classified as Mushbooh (Questionable). Source-dependent. May be derived from halal (plant/synthetic) or haram (animal) sources. Verify with the manufacturer or look for halal certification.
What is INS 337 used for?
INS 337 is used as a acidity regulator and sequestrant in food products.
What is the difference between INS 337 and E337?
INS 337 and E337 are the same additive — Potassium Sodium Tartrates. INS numbers are used on food labels in Australia, New Zealand, Malaysia, Singapore, Indonesia, India, and GCC countries. The E-number system (E337) is used in EU and UK markets. The halal status is identical regardless of which label system is used.
What foods contain INS 337?
INS 337 (Potassium Sodium Tartrates) is commonly found in: processed cheese, baked goods, confectionery.
What is INS 337 made from?
INS 337 can be derived from: tartaric acid + potassium and sodium hydroxide.
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