Ingredient Index · E251

Is Sodium Nitrate banned in Europe?

Restricted in EU

No: sodium nitrate (E251) is not banned in the EU. It's restricted to cured meats, and the EU tightened its maximum levels in October 2025, while the US permits it under limits that tend to run higher.

E-number: E251CAS: 7631-99-4 Also seen as: E251, Chile saltpeter, Nitrate of soda

What the EU does

Restricted, not banned. Sodium nitrate is authorized as additive E251 under Regulation (EC) No 1333/2008, but only in specific cured-meat categories and at capped residual levels. In the meat it slowly converts to nitrite, which is what does the curing and the color-fixing, so nitrate is essentially a slow-release reservoir.

The EU tightened the rules in 2025. Commission Regulation (EU) 2023/2108 lowered the maximum amounts of nitrites and nitrates that can be added to meat and fishery products, with the new limits applying from October 9, 2025. The driver was EFSA's concern about nitrosamines, the compounds that can form from nitrites and nitrates and that carry a cancer signal. The EU's move was to push the added amounts down, not to ban the additive.

Citation Regulation (EC) No 1333/2008, Annex II (E251); Commission Regulation (EU) 2023/2108 (limits from 9 Oct 2025)

What the US does

Permitted, with US limits that generally sit higher than the EU's. Sodium nitrate is allowed as a food additive under FDA rules (21 CFR 172.170), and its use in meat and poultry is regulated by the USDA. It is a traditional curing agent for products that cure slowly over time.

The practical EU/US difference here is one of degree, not of kind. Both regions permit sodium nitrate in cured meat. The EU caps the added amounts lower, especially after the 2025 reduction, and ties those caps explicitly to keeping nitrosamine formation as low as possible. The US permits the same additive at limits that tend to be more generous.

Citation 21 CFR 172.170 (sodium nitrate); USDA FSIS curing regulations

Products that commonly contain it

Sodium nitrate is a curing and preservation agent for slow-cured products. Look for it in:

Traditional dry-cured bacon and country hams
Salami and other dry-cured sausages
Some aged and fermented charcuterie
Products labeled with celery powder, a natural nitrate source used in "uncured" meats

What to look for on a label

On a label, nitrate hides behind several phrasings:

"Sodium nitrate" in the ingredient list
"E251" on EU-labeled products
"Cultured celery powder" or "celery juice", which supply nitrate naturally in "no nitrate added" products
Often listed alongside sodium nitrite (E250), its faster-acting cousin

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Frequently asked questions

Is sodium nitrate banned in Europe?

No. It is restricted, not banned. Sodium nitrate (E251) is authorized for specific cured-meat categories at capped levels under Regulation (EC) No 1333/2008, and the EU lowered those caps effective October 9, 2025.

What is the difference between sodium nitrate and sodium nitrite?

Nitrite (E250) cures meat quickly; nitrate (E251) converts to nitrite slowly inside the product, which suits long-cured items. Both are restricted in the EU and were subject to the 2025 limit reductions.

Why did the EU lower nitrate and nitrite limits in 2025?

EFSA concluded that exposure to nitrosamines, which can form from nitrates and nitrites, was a health concern. Commission Regulation (EU) 2023/2108 reduced the maximum added amounts, with the new limits applying from October 9, 2025.

Do "uncured" or "nitrate-free" meats really contain no nitrate?

Usually not. Many use celery powder or celery juice, which are natural nitrate sources. The chemistry in the finished product is similar; the label difference is about the source, not the absence of nitrate.

Related ingredients

Primary sources

Last reviewed June 15, 2026 · How we assign statuses