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InventoryRef 3418815/10/2010

HC BLUE NO. 11

1-[(2'-Methoxyethyl)amino]-2-nitro-4-[di-(2'-hydroxyethyl)amino]benzene

HC BLUE NO. 11 is linked to 3 EU annex records on this page. Inventory note: III/196.

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Regulatory evidence by market

This matrix separates verified ingredient rules from sources that are mapped but not yet imported. No imported rule does not mean the ingredient is permitted.

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MarketEvidence statusRecordsSource language
European UnionEvidence linked
Restricted entry found
Open this evidence		3English and EU languages
Great BritainEvidence linked
Restricted
Open this evidence		1English
CanadaSource mapped
Official source mapped; ingredient rule not imported
0English and French
New ZealandEvidence linked
Restricted
Open this evidence		1English
ASEANEvidence linked
Restricted
Open this evidence		1English and national languages
ChinaSource mapped
Official source mapped; ingredient rule not imported
0Chinese with selected English material
JapanSource mapped
Official source mapped; ingredient rule not imported
0Japanese; official English translation available
South KoreaEvidence linked
Prohibited
Open this evidence		1Korean with some English names
United StatesSource mapped
Official source mapped; ingredient rule not imported
0English
AustraliaSource mapped
Official source mapped; ingredient rule not imported
0English
BrazilSource mapped
Official source mapped; ingredient rule not imported
0Portuguese with INCI crosswalks
IndiaEvidence linked
Restricted
Open this evidence		1English and Hindi
Saudi ArabiaEvidence linked
Restricted
Open this evidence		1Arabic and English

Chemical identity and properties

PubChem 2D chemical structure for CAS 23920-15-2
CAS 23920-15-2PubChem CID 71587861

HC Blue 11

IUPAC name
2-[N-(2-hydroxyethyl)-4-(2-methoxyethylamino)-3-nitroanilino]ethanol;hydrochloride
Molecular formula
C13H22ClN3O5
Molecular weight
335.78 g/mol
Exact mass
335.1247985 Da
Topological polar surface area
111.0 Ų
Hydrogen-bond donors
4
Hydrogen-bond acceptors
7
Covalent units
2
Defined stereocentres
0

Also known as

HC Blue no. 11Colorex HCB11UNII-83ZYM95HPE83ZYM95HPEEthanol, 2,2'-((4-((2-methoxyethyl)amino)-3-nitrophenyl)imino)bis-, monohydrochlorideRefChem:145364HC BLUE NO. 11 [INCI]459-980-7
2 more reported names
Ethanol, 2,2'-[[4-[(2-methoxyethyl)imino]-3-nitrophenyl]amino]bis-, hydrochloride (1:1)2,2'-({4-[(2-Methoxyethyl)amino]-3-nitrophenyl}azanediyl)di(ethan-1-ol)--hydrogen chloride (1/1)
Open full PubChem recordPubChem annotations3D structure image
External database identifiers

Retrieved from NIH PubChem on 2026-09-02 by checksum-valid CAS matching. Chemical properties do not replace the regulatory decision on this page.

Inventory details for HC BLUE NO. 11

INCI name

HC BLUE NO. 11

Description

1-[(2'-Methoxyethyl)amino]-2-nitro-4-[di-(2'-hydroxyethyl)amino]benzene

Record provenance

Inventory reference
34188
Imported identity
HC BLUE NO. 11
Source update
15/10/2010
European Commission CosIng source notes
Annex III Restriction reference
Entry 196

HC BLUE NO. 11

CAS: 23920-15-2
EC: 459-980-7
Annex III Identified ingredient
Entry 220

HC Blue No 11

CAS: 23920-15-2
EC: 459-980-7

Key data

CAS
23920-15-2
EC
—
Restriction
III/196
Function
HAIR DYEING
Imparting color to hair. Hair dyeing preparations may be temporary, semi-permanent, or permanent, depending on the length of time the colorant remains on the hair.

Official EU ingredient-name evidence

The ingredient name exactly matches the official 2025 EU glossary of common ingredient names.

#11569 · HC BLUE NO. 11

The markets do not agree about this substance: it is prohibited in some and permitted under conditions in others, across the 7 markets that hold a rule for it.

prohibited
South Korea
restricted
European UnionGreat BritainNew ZealandASEANIndiaSaudi Arabia

See every substance the markets disagree about

Ingredients with overlapping formulation functions

FAST GREEN FCFHAIR DYEING
FERRIC AMMONIUM CITRATEHAIR DYEING
FLUORESCENT BRIGHTENER 236HAIR DYEING
HC BLUE NO. 10HAIR DYEING
HC BLUE NO. 12HAIR DYEING
HC BLUE NO. 13HAIR DYEING
HC BLUE NO. 14HAIR DYEING
HC BLUE NO. 15HAIR DYEING

Additional official and scientific sources

11 external databases to check this identity in

Each link searches that source for this identity. What each source is, and its legal weight

ECHA CHEM / Information on chemicalsPubChem PUG RESTEU Safety Gate cosmetic product alertsECHA CHEMUS EPA CompToxCosmetic Ingredient Review safety assessmentsFDA Global Substance Registration SystemILO/WHO International Chemical Safety CardsJapan NITE-CHRIPNIOSH Pocket Guide to Chemical HazardsOECD eChemPortal

How HC BLUE NO. 11 appears in the CosIng inventory

The CosIng inventory lists HC BLUE NO. 11 as a cosmetic ingredient and this page links it to 3 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.

HC BLUE NO. 11 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

HC BLUE NO. 11 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 HC BLUE NO. 11 reads: "III/196". 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, HC BLUE NO. 11 carries the following function designation(s):

CAS 23920-15-2 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.
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Source note for HC BLUE NO. 11

This page combines the CosIng inventory entry for HC BLUE NO. 11 with 3 linked Annex II–VI records from the local dataset built from public European Commission cosmetic ingredient materials.

Use this inventory page to research HC BLUE NO. 11 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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