LabelGuard
Sign InGet Started
Ingredient Guide

🇬🇧 Sodium Nitrate on Food Labels in UK

Sodium Nitrate is permitted with restrictions and maximum levels in United Kingdom: declare as "sodium nitrate (E251)" in the ingredient list.

Check My Label for UK CompliancePaste Ingredients List
What the Rule Is

Sodium nitrate (E251) and the related sodium nitrite (E250) are curing salts used in bacon, ham, and cured sausages to prevent Clostridium botulinum growth and fix the pink cured colour. In United Kingdom, Sodium Nitrate is regulated under Retained EU Law & UK FIC as a food preservative. UK retains EU-level restrictions on nitrates in cured meats. Same maximum levels apply. Declaration required with functional class "preservative" and E-number.

What You Must Include
  • Declare as "sodium nitrate (E251)" in the ingredient list
  • Declare with functional class: "preservative" and E-number E251
  • Review all compound ingredients for hidden sources
  • Cross-check all compound ingredients and sub-ingredients for hidden sources
Common Violations
  • Incorrect or missing declaration name — must use "sodium nitrate (E251)"
  • Using an ambiguous or abbreviated name that does not identify Sodium Nitrate
  • Omitting the E-number E251 where required
  • Not updating the label after recipe changes involving this ingredient
  • Failing to check compound ingredients for hidden Sodium Nitrate content
Examples: Compliant vs Non-Compliant

Compliant Examples

"preservative: sodium nitrate (E251)"
"sodium nitrate (E251)" in ingredient list
Full ingredient line: "Ingredients: ... sodium nitrate (E251) ..."

Non-Compliant Examples

Using a synonym (Sodium nitrate, Chile saltpeter) without the approved declaration name
Ingredient list with "Sodium Nitrate" without functional class or E-number
"Natural [ingredient category]" without specific name where specific name is required
How LabelGuard Checks This

LabelGuard scans your label for Sodium Nitrate and all its common names (E251, Sodium nitrate, Chile saltpeter, NaNO3) to verify correct declaration, required E-numbers, and proper functional class labeling under UK rules.

Start Your Compliance Check
Frequently Asked Questions

What is sodium nitrate (E251)?

Sodium nitrate (E251) and the related sodium nitrite (E250) are curing salts used in bacon, ham, and cured sausages to prevent Clostridium botulinum growth and fix the pink cured colour. It commonly appears in: Cured meats, Bacon, Ham, Sausages, Salami.

Is sodium nitrate bad for you?

The health concern is nitrosamine formation when nitrites react with proteins at high heat; IARC classifies processed meat as Group 1 partly on this basis. The EU cut maximum permitted nitrite/nitrate levels under Regulation (EU) 2023/2108 (applying from October 2025). Within the strict limits, regulators consider the botulism-protection benefit to outweigh the risk.

How must Sodium Nitrate be declared on food labels in UK?

Declare as "sodium nitrate (E251)" in the ingredient list. UK retains EU-level restrictions on nitrates in cured meats. Same maximum levels apply. Declaration required with functional class "preservative" and E-number.

What are the common synonyms and hidden sources of Sodium Nitrate?

Sodium Nitrate may appear under the following names: E251, Sodium nitrate, Chile saltpeter, NaNO3, Curing salt. Common hidden sources include: Cured meats, Bacon, Ham, Sausages, Salami, Hot dogs, Smoked fish.

Is sodium nitrate banned in UK or other markets?

Restricted with maximum levels in: EU, UK, US, Canada, Australia.

Regulation Sources

Last updated: 2026-07-20

Disclaimer: This information is for guidance only and does not constitute legal advice. Always consult official regulations and seek professional legal advice for specific compliance questions.

Ensure UK Compliance

Get your label checked against all UK regulations in seconds.

  • AI-powered compliance check
  • 200+ regulatory checks
  • Detailed violation reports
  • Fix suggestions included
Start Compliance Check

Starting at $29 per label check

Related Resources
UK Compliance Hub

Explore all UK labeling requirements in one place.

View UK Hub

Ready to Ensure Full UK Compliance?

LabelGuard checks your labels against all Retained EU Law & UK FIC requirements in seconds. Catch violations before they cost you.

Start Your First Check - $29View Pricing Plans

Trusted by food manufacturers, supplement brands, and compliance teams worldwide