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Phosphorus

CAS 12185-10-3 · 100/100 · High conf.

Also registered as 2 other CAS numbers

29879-37-6 · 7723-14-0

Phosphorus chemical structure

Concern score

100/100Critical concern based on regulatory listings.
High confidence

Phosphorus in plain language

What it is

Also known as Phosphorus and metalphosphides · Phosphorus-31 · Phosphorous · phosphane · Amgard CPC · Bestmade Natural Products Phosphorus

Show all 34 names

Black phosphorus · Cough Sore Throat · Elemental phosphorus · Exolit RP 607 · Exolit RP 683 · FR-T 2 (element) · Hishigado LP-E · Hishigado LP-F · Hishigado TP 10F · Phosphorous (NOS) · Phosphorus 200C · Phosphorus 200ck · Phosphorus 30 · Phosphorus 30 Special Order · Phosphorus 30C · Phosphorus 30X · Phosphorus 31 · Phosphorus 6 · Phosphorus 6C · Phosphorus 7130 · Phosphorus 8 · Red Phosphorus · phosphorous (white) (sara iii) · phosphorous (white). % wt: 0.01-0.8 · phosphorous (yellow) (sara iii) · phosphorous (yellow) (sara 302/313) (cercla) · phosphorus (white) %:0.005/0.06 · phosphorus (yellow & white)

What it does

Used in cosmetics as an antioxidant.

  • Antioxidant
Is it a concern?
Critical concern: no hazard classifications on record. It is banned in EU cosmetics.

Why it's flagged

Phosphorus and metalphosphides is prohibited in cosmetic products under Annex II of the EU Cosmetics Regulation (EC) 1223/2009.

RestrictedEU EC — banned

The score describes this ingredient's chemical identity — its hazard profile from published classifications and regulatory status — not the safety of any product it appears in.

Regulation

Restrictions first, then routine listings from published regulatory sources.

  • In marketed US drugs
  • EU Annex II — prohibited
  • EU prohibited in cosmetics

Recorded in these product areas

  • Found in consumer products
  • Beauty
  • Cleaning
  • Industrial

  • EUEC

    Annex II of EU Cosmetics Regulation (EC) 1223/2009: substances prohibited in cosmetic products.

    banned
    View source →
  • EUCosIngActive2 entries
  • USEPAcommercial use observedEPA CPDat observed this chemical in 922 composition records across product categories including Construction and building materials, Furniture and furnishings, Cleaning products and household care. EPA CPDat classifies this chemical for functional uses including No specific technical function, stainless steel component, Degradant/impurity.
    • EPA CPDat observed this chemical in 922 composition records across product categories including Construction and building materials, Furniture and furnishings, Cleaning products and household care. EPA CPDat classifies this chemical for functional uses including No specific technical function, stainless steel component, Degradant/impurity.Source →
  • USFDAmarketed drug occurrenceFDA NDC lists this ingredient in 619 active drug products and 699 total products.
    • FDA NDC lists this ingredient in 619 active drug products and 699 total products.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 Phosphorus. 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.

Evidence & sources

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

8 data sources

Where this comes from

  • CosIng

    regulatory · updated 2026-09-23

    Open →

  • EU CosIng Cosmetics Regulation Annexes

    regulatory · updated 2010-10-15

    Open →

  • EPA Chemical and Products Database

    exposure · updated october 21, 2016

    Open →

  • EPA DSSTox Identifiers

    chemistry · updated 2025-12-29

    Open →

  • FDA National Drug Code Directory

    regulatory · updated 2030-12-04

    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 →

Suitability

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

Fragrance avoidance

No fragrance-linked caution surfaced in the current profile.

Good fit

This ingredient does not currently read as a fragrance-linked driver in the published evidence and hazard profile.

Where it has been recorded

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

Source records

922

Named organisations

6

Construction and building materialsFurniture and furnishingsCleaning products and household careVehicleLaboratory suppliesIndustrial products

Typical roles

Antioxidant
See products using Phosphorus →

Catalog

Found in these products

Their ingredient lists include Phosphorus; each product's own rating depends on its whole formula, so it is shown on the product page, not here.

See all 105 →Find products without it →