• GST invoice on every order
  • COA / SDS on request
  • Pan-India dispatch from Kolkata
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Ins366 Food Acid

Ins366 Food Acid

Ins366 Food Acid

Serial: INS366FD

INS 366 is potassium fumarate, the potassium salt of fumaric acid. It is listed as a food acid and acidity regulator and is used to control pH and add a mild acidic note in foods and beverages.

Key facts

SynonymsPotassium fumarate, Dipotassium fumarate, INS 366
Chemical formulaK2C4H2O4
Dispatch fromKolkata, West Bengal

Last updated:


Why buy from Akshar Shop: COA / SDS on request · GST invoice with every order · dispatch from Kolkata, delivery across India.


About Ins366 Food Acid

INS 366 is potassium fumarate, the potassium salt of fumaric acid. It is listed as a food acid and acidity regulator and is used to control pH and add a mild acidic note in foods and beverages.

Uses and applications of INS 366 Potassium Fumarate

  • Acidity regulator in beverages and powdered drink mixes.
  • pH control in desserts, jellies and confectionery.
  • Bakery and dough applications, where permitted.
  • Buffering in combination with fumaric acid.
  • Low-sodium formulations where a potassium salt is preferred.
  • Processed foods requiring a stable acidulant salt.

Grades, forms and packing

INS 366 potassium fumarate is offered in food grade as a white powder, subject to availability. The exact grade, assay, pack size and COA are shared with the quotation. Use in food must follow FSSAI regulations and the permitted limits for each food category. See also fumaric acid and INS 365 sodium fumarate. Prices depend on grade, quantity and packing, and are confirmed with each quotation. If you need a sample for trials before a bulk order, mention it in your enquiry.

Why buy INS 366 Potassium Fumarate from Akshar Shop

  • GST invoice with every order, so your purchase is ready for input tax credit.
  • Certificate of analysis (COA) and safety data sheet (SDS) available on request.
  • Flexible quantities, from sample packs to bulk orders.
  • Dispatch from Kolkata with delivery across India by transport or courier.

Storage and handling

Store in the original closed pack in a cool, dry place away from direct sunlight, moisture and strong odours. Keep food-grade material separate from industrial chemicals and use clean, dry scoops. Reseal opened packs promptly. Refer to the SDS for handling details.

Need the grade, pack size or price? Send an enquiry or WhatsApp +91 92303 82749. COA and SDS are available on request.

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Frequently asked questions about Ins366 Food Acid

What is INS 366?

INS 366 is potassium fumarate, a salt of fumaric acid used as a food acid and acidity regulator.

Is potassium fumarate readily available?

It is a less common additive. Availability, grade and packing are confirmed with the quotation.

Do you supply COA and SDS for INS 366 Potassium Fumarate?

Yes. A certificate of analysis (COA) and safety data sheet (SDS) can be shared on request, usually with the quotation or along with the dispatch.

How can I order INS 366 Potassium Fumarate and do you deliver across India?

Send an enquiry from the product page, call or WhatsApp +91 92303 82749, or email [email protected]. We dispatch from Kolkata and deliver across India by transport or courier.

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Tartaric Acid Tartaric Acid
Sodium Bicarbonate Sodium Bicarbonate

Nature of Business: Trader & Supplier | Item: Ins366 Food Acid | Akshar Exim Company Pvt. Ltd., Kolkata

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