E239Preservative

Hexamethylenetetramine

Learn what Hexamethylenetetramine (E239) is, why it's added to food, whether it's safe, and which products contain it.

Low concern

What is Hexamethylenetetramine?

A food additive from the category of chemical preservatives, obtained from formaldehyde and ammonia. It is used as a preservative against fungal degradation in certain cheeses (Provolone cheese - 25 mg/kg). Its use is limited due to the taste it imparts.

Why is Hexamethylenetetramine added to food?

Hexamethylenetetramine (E239) is a preservative commonly found in: Cheese.

Permitted quantity: The maximum daily intake for human consumption is up to 0.15 mg/kg body weight.

Is Hexamethylenetetramine safe?

Low concern

Increased doses can cause serious side effects.

Is Hexamethylenetetramine banned anywhere?

✓ Not currently banned in the EU or known to be restricted in other countries.

Common foods that contain Hexamethylenetetramine

  • Cheese

See the full list of foods that contain Hexamethylenetetramine

How to spot Hexamethylenetetramine on labels

Look for any of these names in the ingredients list:

  • E239
  • Hexamethylenetetramine

Common misspellings to watch for:

  • hexamethylenetetrdmine
  • hexamethylenetetramine
  • hexamethylenetetramlne
  • hexdmethylenetetramine

Better alternatives

• Excessive consumption of hexamethylenetetramine can cause digestive system irritations, such as stomach pain and nausea. • People with kidney or liver conditions should avoid using it, as it may put additional stress on these organs. • Not recommended for people suffering from urinary tract conditions due to its potential irritant effects on the bladder. • Pregnant or breastfeeding women should consult a doctor before use.

Explore homemade alternatives to processed snacks →

Also known as

  • hexamethylenetetrdmine
  • hexamethylenetetramine
  • hexamethylenetetramlne
  • hexdmethylenetetramine

Scan products with BioBrief

Not sure if a product contains Hexamethylenetetramine? BioBrief scans the barcode and instantly shows you every additive in the ingredients list — including E239 — with a plain-language explanation.

Frequently asked questions about Hexamethylenetetramine

Is Hexamethylenetetramine safe to eat?
Increased doses can cause serious side effects.
Is Hexamethylenetetramine banned anywhere?
Hexamethylenetetramine is not currently banned in the EU or known to be restricted in other countries.
How do I spot Hexamethylenetetramine on a food label?
Look for E239, Hexamethylenetetramine in the ingredients list. It may also appear as: hexamethylenetetrdmine, hexamethylenetetramine, hexamethylenetetramlne.

Ingredients change. Always check the actual product label before purchasing. Information on this page is for educational purposes only.