What does the restriction note for P-PHENYLENEDIAMINE HCL mean?

The restriction field for P-PHENYLENEDIAMINE HCL reads: III/8a. 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 624-18-0?

CAS 624-18-0 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 3725015/10/2010

P-PHENYLENEDIAMINE HCL

Q: How do I check if my formula contains P-PHENYLENEDIAMINE HCL?

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.

Benzene-1,4-diamine dihydrochloride (CI 76060)

P-PHENYLENEDIAMINE HCL is linked to 2 EU annex records on this page. Inventory note: III/8a.

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Inventory details for P-PHENYLENEDIAMINE HCL

INCI name

P-PHENYLENEDIAMINE HCL

Description

Benzene-1,4-diamine dihydrochloride (CI 76060)

Annex records for P-PHENYLENEDIAMINE HCL

Annex III Restriction reference

Entry 8a

p-Phenylenediamine and its salts

CAS: 106-50-3 / 624-18-0 / 16245-77-5

EC: 203-404-7 / 210-834-9 / 240-357-1

Annex III Identified ingredient

Entry 8b

p-Phenylenediamine; p-Phenylenediamine HCl; p-Phenylenediamine Sulphate

CAS: 106-50-3 / 624-18-0 / 16245-77-5

EC: 203-404-7 / 210-834-9 / 240-357-1

Key data

CAS

624-18-0

210-834-9

Restriction

III/8a

Function

HAIR DYEING

How P-PHENYLENEDIAMINE HCL appears in the CosIng inventory

The CosIng inventory lists P-PHENYLENEDIAMINE HCL as a cosmetic ingredient and this page links it to 2 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.

P-PHENYLENEDIAMINE HCL 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

P-PHENYLENEDIAMINE HCL 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 P-PHENYLENEDIAMINE HCL reads: "III/8a". 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, P-PHENYLENEDIAMINE HCL carries the following function designation(s):

HAIR DYEING

CAS 624-18-0 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.

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Source note for P-PHENYLENEDIAMINE HCL

This page combines the CosIng inventory entry for P-PHENYLENEDIAMINE HCL with 2 linked Annex II–VI records from the local dataset built from public European Commission cosmetic ingredient materials.

Use this inventory page to research P-PHENYLENEDIAMINE HCL 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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Tools & next steps

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Scan a full INCI list to detect P-PHENYLENEDIAMINE HCL and any linked EU annex restrictions or allergen flags.

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Search similar ingredients

Find other inventory ingredients and annex entries related to P-PHENYLENEDIAMINE HCL, its identifiers or nearby name variants.