HC Red No 10+ HC Red No 11
1-Amino-2-nitro-4-(2', 3'-dihydroxypropyl)amino-5-chloro-benzene + 1,4-bis-(2',3'-dihydroxypropyl)amino-2-nitro-5-chlorobenzene
HC Red No 10+ HC Red No 11 is listed in Annex III and may only be used under the conditions shown in this record. Maximum concentration in this record: (b) 2,0%.
Chemical identity and properties
HC Red 11
- IUPAC name
- 3-[2-chloro-4-(2,3-dihydroxypropylamino)-5-nitroanilino]propane-1,2-diol
- Molecular formula
- C12H18ClN3O6
- Molecular weight
- 335.74 g/mol
- Exact mass
- 335.0884130 Da
- XLogP3
- 0.8
- Topological polar surface area
- 151.0 Ų
- Hydrogen-bond donors
- 6
- Hydrogen-bond acceptors
- 8
- Covalent units
- 1
- Defined stereocentres
- 0
Also known as
2 more reported names
External database identifiers
- EPA DTXSID:DTXSID70879801
Retrieved from NIH PubChem on 2026-08-31 by checksum-valid CAS matching. Chemical properties do not replace the regulatory decision on this page.
Record details
Maximum concentration
(b) 2,0%
Product type
Other restrictions
(a) After mixing under oxidative conditions the maximum concentration applied to hair must not exceed 1,0%
For (a) and (b):
- Do not use with nitrosating agents
- Maximum nitrosamine content: 50 microgram/KG
- Keep in nitrite-free containers
INCI glossary name
HC Red No 10+ HC Red No 11
Chemical name
1-Amino-2-nitro-4-(2', 3'-dihydroxypropyl)amino-5-chloro-benzene + 1,4-bis-(2',3'-dihydroxypropyl)amino-2-nitro-5-chlorobenzene
Chemical / IUPAC name
1-Amino-2-nitro-4-(2', 3'-dihydroxypropyl)amino-5-chloro-benzene + 1,4-bis-(2',3'-dihydroxypropyl) amino-2-nitro-5-chlorobenzene
Regulatory information
Regulation
(EU) 2013/658
Key data
Inventory links for HC Red No 10+ HC Red No 11
Related records for HC Red No 10+ HC Red No 11
CI 19140 / ACID YELLOW 23
ACID BLUE 9
N,N-bis(2-Hydroxyethyl)- p-Phenylenediamine Sulfate
What Annex III means for HC Red No 10+ HC Red No 11
HC Red No 10+ HC Red No 11 is a restricted substance under Annex III of EU Cosmetics Regulation 1223/2009. Its use in cosmetics is only permitted under the specific conditions set out in the entry above, including applicable concentration limits, product type restrictions and required warning statements.
When including this substance in a formulation, all conditions — maximum concentration, product scope and warning labels — must be met simultaneously. Compliance with one condition does not override the others.
This record is linked to 2 CosIng inventory ingredients for name and identifier cross-reference. The page also surfaces 12 related annex records with overlapping identifiers, annex logic or naming patterns.
Compliance checklist
- Ensure formulation concentration does not exceed: (b) 2,0%
- Confirm product type compatibility: (a) Hair dye substance in oxidative hair dye products (b) Hair dye substance in non-oxidative hair dye products
- Document conditions of use in the Product Information File (PIF).
Frequently asked questions
Source note for Annex III record HC Red No 10+ HC Red No 11
This page summarizes one Annex III record for HC Red No 10+ HC Red No 11 from public European Commission cosmetic materials and adds linked inventory or identifier matches when available.
Use this record page to review Annex III conditions for HC Red No 10+ HC Red No 11, but confirm any final regulatory decision against the current official annex wording and source files.
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