HC BLUE NO. 9
1-[(2',3'-Dihydroxypropyl)amino]-2-nitro-4-[ethyl-(2'-hydroxyethyl)amino]benzene hydrochloride
HC BLUE NO. 9 is linked to 1 EU annex record on this page. Inventory note: II/1327.
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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| Market | Evidence status | Records | Source language |
|---|---|---|---|
| European Union | Evidence linked Prohibited entry found Open this evidence | 1 | English and EU languages |
| Great Britain | Evidence linked Prohibited Open this evidence | 1 | English |
| Canada | Source mapped Official source mapped; ingredient rule not imported | 0 | English and French |
| New Zealand | Evidence linked Prohibited Open this evidence | 2 | English |
| ASEAN | Evidence linked Prohibited Open this evidence | 1 | English and national languages |
| China | Evidence linked Prohibited Open this evidence | 1 | Chinese with selected English material |
| Japan | Source mapped Official source mapped; ingredient rule not imported | 0 | Japanese; official English translation available |
| South Korea | Evidence linked Prohibited Open this evidence | 1 | Korean with some English names |
| United States | Source mapped Official source mapped; ingredient rule not imported | 0 | English |
| Australia | Source mapped Official source mapped; ingredient rule not imported | 0 | English |
| Brazil | Evidence linked Prohibited Open this evidence | 1 | Portuguese with INCI crosswalks |
| India | Evidence linked Prohibited Open this evidence | 1 | English and Hindi |
| Saudi Arabia | Evidence linked Prohibited Open this evidence | 1 | Arabic and English |
Chemical identity and properties
HC Blue 9 base
- IUPAC name
- 3-[4-[ethyl(2-hydroxyethyl)amino]-2-nitroanilino]propane-1,2-diol
- Molecular formula
- C13H21N3O5
- Molecular weight
- 299.32 g/mol
- Exact mass
- 299.14812078 Da
- XLogP3
- 0.8
- Topological polar surface area
- 122.0 Ų
- Hydrogen-bond donors
- 4
- Hydrogen-bond acceptors
- 7
- Covalent units
- 1
- Defined stereocentres
- 0
Also known as
External database identifiers
- EPA DTXSID:DTXSID70892292
Evidence from additional scientific databases
NIH PubChem PUG-View
Attributed physical-property, hazard, environmental and use annotations.
Mapped by: Existing checksum-valid CAS to unique PubChem CID match. Retrieved: 2026-08-31. Open source record
Scientific classifications and hazard annotations provide context and do not replace the market-specific regulatory decision shown above.
Additional source coverage and match status
| Source | Result | Checked |
|---|---|---|
| NIH PubChem PUG-View | Exact match | 2026-08-31 |
A recorded no-match is useful evidence that the source was checked; it is not a claim that the substance does not exist elsewhere.
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. 9
INCI name
HC BLUE NO. 9
Description
1-[(2',3'-Dihydroxypropyl)amino]-2-nitro-4-[ethyl-(2'-hydroxyethyl)amino]benzene hydrochloride
Record provenance
- Inventory reference
- 34197
- Imported identity
- HC BLUE NO. 9
- Source update
- 17/11/2016
Annex records for HC BLUE NO. 9
3-[[4-[Ethyl(2-Hydroxyethyl)Amino]-2-Nitrophe nyl]Amino]-1,2-Propanediol and its salts, when used a…
Key data
- 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.
Related inventory evidence
Records sharing a CAS or EC identity
Ingredients with overlapping formulation functions
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
How HC BLUE NO. 9 appears in the CosIng inventory
The CosIng inventory lists HC BLUE NO. 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.
HC BLUE NO. 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
Source note for HC BLUE NO. 9
This page combines the CosIng inventory entry for HC BLUE NO. 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 HC BLUE NO. 9 and compare linked records, but verify restrictions and legal status against the current official source text and law before making regulatory decisions.
Tools & next steps
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