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Ammonium carbonate

CAS 506-87-6

Also registered as 2 other CAS numbers

6721-33-1 · 40956-82-9

Ammonium carbonate chemical structure

Concern score

Not assessed — no hazard data yet.

Ammonium carbonate in plain language

What it is

Also known as Diammonium carbonate · Hartshorn salt · Diammonium salt carbonic acid · Crystal ammonia · E 503(I) · Ins NO.503(I)

Show all 32 names

INS-503(I) · azane;carbonic acid · AKOS009159486 · Ammoniumcarbonat · Ammonium carbonate, 99.999% trace metals basis · Ammonium carbonate, AR, >=95% · Ammonium carbonate, LR, 30-33% · Ammonium carbonate, Vetec(TM) reagent grade · Ammonium carbonate, p.a., ACS reagent, 30.0% · Ammonium carbonate, p.a., special, 30% · Ammonium carbonate, tested according to NF · Ammonium carbonate, trace metals grade 99.99% · Bis(ammonium) carbonate · CH8N2O3 · Carbonate de diammonium · Carbonic acid, ammonium salt (1:2) · Diammoniumcarbonat · F094746 · ammonia;carbonic acid · ammonium carbonate (sara iii) · ammonium carbonate (cercla) · ammonium carbonate (cercla). mfr cas #8000-73-5 · ammonium carbonate. invalid cas # 8000-73-5 · carbonato de diamonio · diamine carbonate · Ammonium carbonate solution

What it does

Used in consumer products as a pH adjuster, a fragrance ingredient and a raising agent.

  • pH adjuster
  • Fragrance
  • Raising agent
Is it a concern?
We haven't assessed a concern score for this ingredient yet.

Regulation

No restrictions found. Ammonium carbonate appears in these published regulatory listings.

Recorded in these product areas

  • Found in consumer products
  • Beauty
  • Cleaning
  • Pharma
  • Food
  • Industrial
  • USEPAcommercial use observedEPA CPDat observed this chemical in 39 composition records across product categories including Specialty occupational products, Laboratory supplies, Food and drug. EPA CPDat classifies this chemical for functional uses including pH regulating agent, Fragrance, Specialized Industrial Chemicals.
    • EPA CPDat observed this chemical in 39 composition records across product categories including Specialty occupational products, Laboratory supplies, Food and drug. EPA CPDat classifies this chemical for functional uses including pH regulating agent, Fragrance, Specialized Industrial Chemicals.Source →
  • USFDAlisted in openFDA substanceopenFDA substance registry classifies this ingredient as chemical.
    • openFDA substance registry classifies this ingredient as chemical.Source →

Expert safety opinions

No expert opinion on file for Ammonium carbonate. These are the independent scientific bodies that assess ingredients like this one; we show an opinion only when a record we hold cites it.

  • SCCS

    EU Scientific Committee on Consumer Safety

    No SCCS opinion on file.

  • CIR

    Cosmetic Ingredient Review (US expert panel)

    No CIR safety assessment on file.

  • JECFA

    Joint FAO/WHO Expert Committee on Food Additives

    No JECFA evaluation on file.

  • EFSA

    European Food Safety Authority

    No EFSA opinion on file.

Evidence & sources

No graded research studies for Ammonium carbonate yet. This record is compiled from the published data sources below — registries and regulatory listings, not study findings.

5 data sources

Where this comes from

  • EPA Chemical and Products Database

    exposure · updated September 2013

    Open →
  • EPA DSSTox Identifiers

    chemistry · updated 2025-12-29

    Open →
  • FDA GSRS UNII

    registry · updated 2026-02-26

    Open →
  • openFDA Substance

    registry · updated 2026-05-24

    Open →
  • PubChem Live Enrichment

    chemistry · updated 2026-05-17

    Open →
Reference links (1)

Allergen profile

Canonical allergen markers detected on this ingredient. Each row is derived from the ingredient’s name or synonyms matching a known allergen class — useful when scanning a label for a specific allergy context.

  • MolluscsContains · Oral (ingested)

    Source: chemindex_name_match

Suitability

Context-specific fit derived from published classifications and the current ingredient evidence profile.

Food use

Nothing to weigh for this context yet.

No signal in this context

We have no published hazard signal for this ingredient, so we cannot say how it behaves in this context — that is missing evidence, not a clean result.

Fragrance avoidance

Not a strong fit for fragrance avoidance because it carries Fragrance.

Avoid

The ingredient itself is a fragrance-linked signal, so it is better treated as an avoid case when fragrance exposure is the main concern.

Where it has been recorded

How often EPA CPDat has listed Ammonium carbonate in a product composition. These are source records, not Greenveil catalog products.

Source records

39

Named organisations

6

Specialty occupational productsLaboratory suppliesFood and drugCleaning and safetyRaw materialsPersonal care

Typical roles

pH adjusterFragranceRaising agent
See products using Ammonium carbonate →