Moderate Cosmetic Ingredient Sensitization Data

HC Red No. 10

INCI: HC RED NO. 10

HC Red No. 10 (CAS Verify against current CosIng - chemical names listed include 1-Amino-2-nitro-4-(2',3'-dihydroxypropyl)amino-5-chlorobenzene and 1,4-Bis-(2',3'-dihydroxypropyl)amino-2-nitro-5-chlorobenzene) is a cosmetic cosmetic ingredient functioning as Hair dyeing (direct/semi-permanent dye). EU Regulation 1223/2009 status: restricted. Industrial safety data is also available in the chemical safety database.

View industrial chemical safety profile for CAS Verify against current CosIng - chemical names listed include 1-Amino-2-nitro-4-(2',3'-dihydroxypropyl)amino-5-chlorobenzene and 1,4-Bis-(2',3'-dihydroxypropyl)amino-2-nitro-5-chlorobenzene →

Auto-generated CPSR Part A draft with source citations
CAS Number
Verify against current CosIng - chemical names listed include 1-Amino-2-nitro-4-(2',3'-dihydroxypropyl)amino-5-chlorobenzene and 1,4-Bis-(2',3'-dihydroxypropyl)amino-2-nitro-5-chlorobenzene
View industrial chemical safety profile →
Function
Hair dyeing (direct/semi-permanent dye)
Safety Rating
MODERATE

Regulatory Status

EU EU Status restricted
US US Status permitted
US Notes Falls under the coal tar hair dye exemption; permitted with caution labeling and patch test advisory

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

Safety Data

Margin of Safety, dermal absorption, and sensitization profile summaries for HC Red No. 10.

Calculate MoS for your specific formulation with the MoS Calculator.

Sensitization Profile

Contact sensitization data for HC Red No. 10 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

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": "95576-89-9", "ingredient_class": "direct_dye", "chemical_class": "nitro", "molecular_weight_Da": "168.15", "color_result_on_hair": "Red", "shade_range": "red", "primary_function": "direct_deposit", "requires_developer": "no", "lift_capability_levels": "0", "deposit_only": "yes", "permanence": "semi_permanent", "wash_fastness_shampoos": "6-12", "light_fastness": "moderate", "heat_st…

Expert Verdict

Expert safety assessment and concern-level summary for HC Red No. 10.

Regulatory Flags

potential-allergen

NOAEL Studies Summary

View details ->

Public NOAEL study rows linked to HC Red No. 10 by CAS number or substance name.

Studies
44
Lowest NOAEL
0.0006
Highest NOAEL
100

Units vary across source rows: mg/kg bw, mg/kg bw/d

SCCS_vision_codex

Frequently Asked Questions

Is HC Red No. 10 safe in cosmetics?

HC Red No. 10 has a safety rating of "MODERATE" in our database. EU status: restricted. US status: permitted.

Is HC Red No. 10 allowed in the EU?

HC Red No. 10 EU regulatory status: restricted. This is based on EU Regulation 1223/2009 and its amendments.

What does HC Red No. 10 do in cosmetics?

HC Red No. 10 functions as: Hair dyeing (direct/semi-permanent dye). It is classified as a cosmetic ingredient in our database. CAS number: Verify against current CosIng - chemical names listed include 1-Amino-2-nitro-4-(2',3'-dihydroxypropyl)amino-5-chlorobenzene and 1,4-Bis-(2',3'-dihydroxypropyl)amino-2-nitro-5-chlorobenzene.

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