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InventoryRef 3282912/08/2020

CI 77491

Diiron trioxide; Ferric oxide

CI 77491 is linked to 4 EU annex records on this page. Inventory note: IV/135.

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Inventory details for CI 77491

INCI name

CI 77491

Description

Diiron trioxide; Ferric oxide

Annex IV Shared CAS number
Entry 121

CI 77015

CAS: 1309-37-1/1332-25-8
EC: - / 310-127-6
Annex IV Shared CAS number
Entry 134

CI 77489

CAS: 1345-25-1
EC: 215-721-8
Annex IV Restriction reference
Entry 135

CI 77491

CAS: 1345-25-1; 1345-27-3; 1309-37-1; 1317-61-9; 52357-70-7
EC: -; 215-722-3; 215-168-2; -; 257-870-1
Annex IV Shared CAS number
Entry 137

CI 77499

CAS: 12227-89-3; 1309-37-1; 1317-61-9; 1345-25-1; 1345-27-3; 52357-70-7
EC: 235-442-9; 215-168-2; 215-277-5; 215-721-8; 215-722-3; 257-870-1

Key data

CAS
1309-37-1 / 1317-61-9 / 1345-27-3 / 52357-70-7 / 1345-25-1
EC
215-168-2 / 215-277-5 / 215-722-3 / 257-870-1 / 215-721-8
Restriction
IV/135
Function
COLORANT

How CI 77491 appears in the CosIng inventory

The CosIng inventory lists CI 77491 as a cosmetic ingredient and this page links it to 4 annex records. The inventory entry captures names and identifiers, while the annex records show where the substance is prohibited, restricted or positively listed in EU cosmetics law.

CI 77491 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

CI 77491 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 CI 77491 reads: "IV/135". 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, CI 77491 carries the following function designation(s):

CAS 1309-37-1 / 1317-61-9 / 1345-27-3 / 52357-70-7 / 1345-25-1 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.
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Source note for CI 77491

This page combines the CosIng inventory entry for CI 77491 with 4 linked Annex II–VI records from the local dataset built from public European Commission cosmetic ingredient materials.

Use this inventory page to research CI 77491 and compare linked records, but verify restrictions and legal status against the current official source text and law before making regulatory decisions.

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