HC Orange No 3
HC Orange No 3 is listed in Annex II as a prohibited substance for cosmetic products placed on the EU market.
Chemical identity and properties

HC Orange No. 3
- IUPAC name
- 3-[4-(2-hydroxyethylamino)-3-nitrophenoxy]propane-1,2-diol
- Molecular formula
- C11H16N2O6
- Molecular weight
- 272.25 g/mol
- Exact mass
- 272.10083623 Da
- XLogP3
- 0.3
- Topological polar surface area
- 128.0 Ų
- Hydrogen-bond donors
- 4
- Hydrogen-bond acceptors
- 7
- Covalent units
- 1
- Defined stereocentres
- 0
Also known as
7 more reported names
External database identifiers
- EPA DTXSID:DTXSID60879799
Retrieved from NIH PubChem on 2026-09-02 by checksum-valid CAS matching. Chemical properties do not replace the regulatory decision on this page.
Record details
Chemical name
HC Orange No 3
Regulatory information
SCCS opinions
Identified ingredients
Key data
Inventory links for HC Orange No 3
Related records for HC Orange No 3
Direct matches are limited for this record, so nearby entries from Annex II are shown as well.
HC Red No 8 and its salts
Tetrahydro-6-nitroquinoxaline and its salts
Acid Red 73 (CI 27290), when used as a substance in hair dye products
Disperse Red 15, except as impurity in Disperse Violet 1
Acid Orange 24 (CI 20170), when used as a substance in hair dye products
Solvent Red 1 (CI 12150), when used as a substance in hair dye products
N,N'-Dihexadecyl-N,N'-bis(2-hydroxyethyl)propanediamide; Bishydroxyethyl Biscetyl Malonamide
What Annex II means for HC Orange No 3
HC Orange No 3 is listed as a prohibited substance under Annex II of EU Cosmetics Regulation 1223/2009 and must not be intentionally added. Article 17 separately addresses unintended small quantities that are technically unavoidable under good manufacturing practice and compatible with the Article 3 safety requirement.
Formulators must screen their ingredients and raw materials to ensure none contain this substance. Suppliers should provide documentation confirming absence when requested.
This record is linked to 1 CosIng inventory ingredient for name and identifier cross-reference. The page also surfaces 12 related annex records with overlapping identifiers, annex logic or naming patterns.
Compliance checklist
- Verify this substance is absent from all raw materials and finished formulations.
- Request absence confirmation or CoA from raw material suppliers.
- Document the screening result in the Product Information File (PIF).
Frequently asked questions
Source note for Annex II record HC Orange No 3
This page summarizes one Annex II record for HC Orange No 3 from public European Commission cosmetic materials and adds linked inventory or identifier matches when available.
Use this record page to review Annex II conditions for HC Orange No 3, but confirm any final regulatory decision against the current official annex wording and source files.
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