Skip to main content
CosIng Checker
CosIng Checker
EU cosmetic ingredients, restrictions and safety
Login
InventoryRef 7593906/06/2019

DISPERSE BLACK 9

2,2'-[[4-[(4-aminophenyl)azo]phenyl]imino]bisethanol (CI 111301)

DISPERSE BLACK 9 is linked to 1 EU annex record on this page. Inventory note: Annex III/263.

INCI CheckerCompare all markets Search similar

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.

Compare markets

Swipe or scroll horizontally to see every column.

MarketEvidence statusRecordsSource language
European UnionEvidence linked
Restricted entry found
Open this evidence		1English 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 KoreaSource mapped
Official source mapped; ingredient rule not imported
0Korean 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 20721-50-0
CAS 20721-50-0PubChem CID 88669

Disperse Black 9

Disperse Black 9 is an organic molecular entity. It has a role as a dye. — ChEBI

IUPAC name
2-[4-[(4-aminophenyl)diazenyl]-N-(2-hydroxyethyl)anilino]ethanol
Molecular formula
C16H20N4O2
Molecular weight
300.36 g/mol
Exact mass
300.15862589 Da
XLogP3
1.8
Topological polar surface area
94.4 Ų
Hydrogen-bond donors
3
Hydrogen-bond acceptors
6
Covalent units
1
Defined stereocentres
0

Also known as

2,2'-((p-((p-Aminophenyl)azo)phenyl)imino)diethanol7GKC99M24TCOLOREX DBL9LOWADENE BLACK 9Ethanol, 2,2'-[[4-[(4-aminophenyl)azo]phenyl]imino]bis-EINECS 243-987-52,2'-((4-((4-Aminophenyl)azo)phenyl)imino)bisethanol2,2'-[[4-[(4-aminophenyl)azo]phenyl]imino]bisethanol
16 more reported names
2,2'-((4-((4-Aminophenyl)azo)phenyl)imino)bis(ethanol)Ethanol, 2,2'-((4-((4-aminophenyl)azo)phenyl)imino)bis-Ethanol, 2,2'-((4-(2-(4-aminophenyl)diazenyl)phenyl)imino)bis-2,2'-[4-(4-Aminophenylazo)phenylimino]diethanol4-(4'-ANILINOAZO)-N,N-BIS(2-HYDROXYETHYL)ANILINE4-AMINO-4'-(BIS(.BETA.-HYDROXYETHYL)AMINO)AZOBENZENEEthanol, 2,2'-[[4-[2-(4-aminophenyl)diazenyl]phenyl]imino]bis-2,2'-(4-(4-aminophenylazo)phenylimino)diethanolRefChem:589574DISPERSE BLACK 9 [INCI]4-AMINO-4'-(BIS(BETA-HYDROXYETHYL)AMINO)AZOBENZENE810-919-6C.I. Disperse Black 92,2'-((4-((4-Aminophenyl)diazenyl)phenyl)azanediyl)diethanol2,2'-4-(4-Aminophenyl)azophenyliminobis(ethanol)UNII-7GKC99M24T
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 DISPERSE BLACK 9

INCI name

DISPERSE BLACK 9

Description

2,2'-[[4-[(4-aminophenyl)azo]phenyl]imino]bisethanol (CI 111301)

Record provenance

Inventory reference
75939
Imported identity
DISPERSE BLACK 9
Source update
06/06/2019
European Commission CosIng source notes

Key data

CAS
20721-50-0
EC
243-987-5
Restriction
Annex III/263
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.

#9472 · DISPERSE BLACK 9

Ingredients with overlapping formulation functions

DIRECT RED 80HAIR DYEING
DIRECT RED 81HAIR DYEING
DIRECT VIOLET 48HAIR DYEING
DIRECT YELLOW 12HAIR DYEING
DISPERSE BLUE 1HAIR DYEING
DISPERSE BLUE 3HAIR DYEING
DISPERSE BLUE 377HAIR DYEING
DISPERSE BLUE 7HAIR 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 DISPERSE BLACK 9 appears in the CosIng inventory

The CosIng inventory lists DISPERSE BLACK 9 as a cosmetic ingredient and this page links it to 1 annex record. The inventory entry captures names and identifiers, while the annex record shows where the substance is prohibited, restricted or positively listed in EU cosmetics law.

DISPERSE BLACK 9 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

DISPERSE BLACK 9 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 DISPERSE BLACK 9 reads: "Annex III/263". 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, DISPERSE BLACK 9 carries the following function designation(s):

CAS 20721-50-0 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 to screen a full ingredient list across selected markets, or compare this substance across all supported market datasets.
Open INCI Checker

Source note for DISPERSE BLACK 9

This page combines the CosIng inventory entry for DISPERSE BLACK 9 with 1 linked Annex II–VI record from the local dataset built from public European Commission cosmetic ingredient materials.

Use this inventory page to research DISPERSE BLACK 9 and compare linked records, but verify restrictions and legal status against the current official source text and law before making regulatory decisions.

View sourcesView updates

Tools & next steps

Check your formula

Scan a full INCI list to detect DISPERSE BLACK 9 and any linked EU annex restrictions or allergen flags.

INCI Checker

Search similar ingredients

Find other inventory ingredients and annex entries related to DISPERSE BLACK 9, its identifiers or nearby name variants.

Search