Definition
US FDA substance register · UNII NRJ266RH4N · registered name DISODIUM 5-((4-((7-AMINO-1-HYDROXY-3-SULPHONATO-2-NAPHTHYL)AZO)-1-NAPHTHYL)AZO)SALICYLATE · single chemical substance
Cosmetic roles
Dyes hairHAIR DYEING
Safety & regulatory references
- Banned
- Argentina · ASEAN · Brazil · China · European Union · South Korea · Taiwan · United Kingdom
Source: ASEAN Cosmetic Directive · EU Cosmetics Regulation · MFDS (Korea) cosmetic regulatory information · Taiwan FDA cosmetic ingredients · UK cosmetics regulations (OPSS)
Restriction II/1266 · Other restriction: ban substances that deplete the ozone layer
Source: EU CosIng ingredient list
More data — names, identifiers, properties, test records, literature
Names & identifiers
DIRECT BLACK 51INCI다이렉트흑색51호Korean label name (MFDS standard)
- CAS No.chemical registry number
- 3442-21-5
- EC No.EU chemical inventory number
- 222-351-0
- DTXSIDUS EPA chemical ID
- DTXSID30879786
- DTXCIDUS EPA compound ID
- DTXCID501017792
- IUPAC
- Disodium 5-[(E)-{4-[(E)-(7-amino-1-hydroxy-3-sulfonatonaphthalen-2-yl)diazenyl]naphthalen-1-yl}diazenyl]-2-hydroxybenzoate
- Molecular formula
- C27H17N5Na2O7S
- Molecular weight
- 601.5 g/mol
What products actually use it for
What the 1 products reported to the US EPA with this ingredient use it for. Products outside cosmetics are included, so the top few rows are its main uses.
- Dye1
Source: US EPA CompTox dashboard
Linked databases 12
- ASEAN Cosmetic Directive
- EU CosIng ingredient list 2
- EU Cosmetics Regulation
- MFDS (Korea) cosmetic regulatory information 2 3
- Taiwan FDA cosmetic ingredients
- UK cosmetics regulations (OPSS)
- UniChem cross-reference IDs
- US EPA CompTox dashboard 2
- US EPA DSSTox chemical database
- US FDA substance registration (GSRS)
- US FDA Unique Ingredient Identifier (UNII)
- Wikidata