What does the restriction note for MERCURIC OXIDE mean?

The restriction field for MERCURIC OXIDE reads: II/221. This is the restriction note from the CosIng inventory. For authoritative conditions and limits, always refer to the linked annex entries.

What other records share CAS 21908-53-2?

CAS 21908-53-2 may appear across multiple EU annex records. The CAS lookup page shows all Annex II–VI entries sharing this identifier, useful for identifying cross-annex regulatory status of the same chemical substance.

InventoryRef 8496515/10/2010

MERCURIC OXIDE

Q: How do I check if my formula contains MERCURIC OXIDE?

Use the INCI Checker tool on CosIng Checker to paste your full ingredient list and scan it against all EU annex records and allergen flags in one step.

MERCURIC OXIDE is linked to 1 EU annex record on this page. Inventory note: II/221.

INCI Checker Search similar

Inventory details for MERCURIC OXIDE

INCI name

MERCURIC OXIDE

Annex records for MERCURIC OXIDE

Annex II Restriction reference

Entry 221

Mercury and its compounds, except those special cases included in Annex V

CAS: 7439-97-6

EC: 231-106-7

Key data

CAS

21908-53-2

244-654-7

Restriction

II/221

Function

ANTIMICROBIAL

How MERCURIC OXIDE appears in the CosIng inventory

The CosIng inventory lists MERCURIC OXIDE as a cosmetic ingredient and this page links it to 1 annex record. The inventory entry captures names and identifiers, while the annex record shows where the substance is prohibited, restricted or positively listed in EU cosmetics law.

MERCURIC OXIDE is also tagged with 1 cosmetic function in the official data. Function labels describe intended use, but they do not replace regulatory review of linked annex records before formulation or labelling work.

Frequently asked questions

MERCURIC OXIDE appears in the EU CosIng inventory and has linked annex records. Check the annex records above for applicable restrictions, concentration limits and conditions of use. Annex II listing means prohibited; Annex III means restricted; Annexes IV, V and VI mean permitted under specified conditions.

The restriction field for MERCURIC OXIDE reads: "II/221". This is the restriction note recorded in the CosIng inventory for this ingredient. For authoritative conditions and limits, always refer to the linked annex entries above.

According to the EU CosIng inventory, MERCURIC OXIDE carries the following function designation(s):

ANTIMICROBIAL

CAS 21908-53-2 may appear across multiple EU annex records. Viewing the CAS lookup page shows all Annex II–VI entries sharing this identifier, which is useful for identifying cross-annex regulatory status of the same chemical substance.

View CAS records

Use the INCI Checker tool to paste your full ingredient list and scan it against all EU annex records and allergen flags in one step.

Open INCI Checker

Source note for MERCURIC OXIDE

This page combines the CosIng inventory entry for MERCURIC OXIDE with 1 linked Annex II–VI record from the local dataset built from public European Commission cosmetic ingredient materials.

Use this inventory page to research MERCURIC OXIDE and compare linked records, but verify restrictions and legal status against the current official source text and law before making regulatory decisions.

View sources View updates

Tools & next steps

Check your formula

Scan a full INCI list to detect MERCURIC OXIDE and any linked EU annex restrictions or allergen flags.

INCI Checker

Search similar ingredients

Find other inventory ingredients and annex entries related to MERCURIC OXIDE, its identifiers or nearby name variants.