Good Cosmetic Ingredient Sensitization Data

2,6-DIAMINOPYRIDINE

Also known as: 5-22-11-00255, BRN 0108513, EINECS 205-507-2, UNII-K89AB8CKG6

2,6-DIAMINOPYRIDINE (CAS 141-86-6) is a cosmetic cosmetic ingredient functioning as Hair Dyeing. EU Regulation 1223/2009 status: permitted. Industrial safety data is also available in the chemical safety database. Same-CAS public records also appear in industrial chemical safety and pharmaceutical data.

View industrial chemical safety profile for CAS 141-86-6 →

Auto-generated CPSR Part A draft with source citations
Function
Hair Dyeing
Safety Rating
GOOD

Chemistry & Identifiers

Formula
C5H7N3
MW
109.13 g/mol
PubChem CID
8861
IUPAC Name
pyridine-2,6-diamine
InChIKey
VHNQIURBCCNWDN-UHFFFAOYSA-N

Regulatory Status

EU EU Status permitted
US US Status Not specifically regulated

For full compliance data across multiple jurisdictions, use the Substance Compliance tool.

Safety Data

Margin of Safety, dermal absorption, and sensitization profile summaries for 2,6-DIAMINOPYRIDINE.

Calculate MoS for your specific formulation with the MoS Calculator.

Sensitization Profile

Contact sensitization data for 2,6-DIAMINOPYRIDINE based on clinical patch test studies and IFRA standards.

Sensitization Rate
low
Allergen Class
dye
EU Allergen Listed
no
Patch Test Positive Rate
0.2%
Cross-reactivity Group
para-amino-group
Reaction Type
contact-dermatitis

Source: SCCS; IVDK

Expanded Jurisdictional Detail

Additional regulatory detail beyond the 7-jurisdiction summary: Saudi SFDA, Korea MFDS, ASEAN ACD, Japan/Korea, Brazil/India, and cross-jurisdictional restriction entries.

SA Saudi SFDA (III - Restricted)
Product type: (a) Hair dye substance in oxidative hair dye products (b) Products intended for colouring eyelashes.
BRIN Brazil/India Cosmetics
India: Restricted

Additional Ingredient Properties

2 property records from structured ingredient metadata.

allergen_detail
{"eu_allergen_listed": "no", "allergen_class": "dye", "cross_reactivity_group": "para-amino-group", "patch_test_frequency_pct": "0.2", "sensitization_rate": "low", "common_reaction_type": "contact-dermatitis", "ifra_restricted": "no", "source": "SCCS; IVDK"}
hair_dye
{"cas_number": "141-86-6", "ingredient_class": "oxidative_dye_precursor", "chemical_class": "other", "molecular_weight_Da": "109.13", "color_result_on_hair": "Brown", "shade_range": "brown", "primary_function": "precursor", "oxidative_dye_type": "primary_intermediate", "requires_developer": "yes", "permanence": "permanent", "oxidation_mechanism": "coupling", "hair_penetration_depth": "cortex", "se…

Function Categories & List Membership

Cosmetic/Chemical Function Categories
Dye
Regulatory List Membership (1)
EU CosIng Cosmetics Ingredient Database

Expert Verdict

Expert safety assessment and concern-level summary for 2,6-DIAMINOPYRIDINE.

Regulatory Flags

cosing-sourced eu-permitted needs-enrichment eu_cosing_listed

Known Synonyms

5-22-11-00255 BRN 0108513 EINECS 205-507-2 UNII-K89AB8CKG6

Chemical Function

Dye

Regulatory Lists

Canada; Personal care; Substances in PCP - Canada (4/2014) Europe; Personal care; restricted

Australian Status

AICIS status: listed

Cross-Vertical Safety Context

Same-CAS public records found in pharmaceutical data.

SOURCE ChEMBL / DrugCentral / FAERS DB_PHARMA CAS match

Pharmaceutical Data

Same-CAS rows from the pharmaceutical spoke database.

ChEMBL ID
CHEMBL339234
View full pharmaceutical profile →

Frequently Asked Questions

Is 2,6-DIAMINOPYRIDINE safe in cosmetics?

2,6-DIAMINOPYRIDINE has a safety rating of "GOOD" in our database. EU status: permitted.

Is 2,6-DIAMINOPYRIDINE allowed in the EU?

2,6-DIAMINOPYRIDINE EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.

What does 2,6-DIAMINOPYRIDINE do in cosmetics?

2,6-DIAMINOPYRIDINE functions as: Hair Dyeing. It is classified as a cosmetic ingredient in our database. CAS number: 141-86-6.

Is 2,6-DIAMINOPYRIDINE used outside cosmetics?

2,6-DIAMINOPYRIDINE also appears in industrial chemical safety and pharmaceutical data. The cross-vertical cards on this page render same-CAS public rows from the matched databases.

Does 2,6-DIAMINOPYRIDINE have different safety status in cosmetics vs industrial chemicals?

2,6-DIAMINOPYRIDINE is classified GHS Danger (H301, H315, H317, H319, H335, H411) in the chemicals database but is allowed in EU cosmetics.

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