What does the restriction note for DIRECT VIOLET 48 mean?

The restriction field for DIRECT VIOLET 48 reads: II/1268. This is the restriction note from the CosIng inventory. For authoritative conditions and limits, always refer to the linked annex entries.

What other records share CAS 37279-54-2?

CAS 37279-54-2 may appear across multiple EU annex records. The CAS lookup page shows all Annex II–VI entries sharing this identifier, useful for identifying cross-annex regulatory status of the same chemical substance.

How do I check if my formula contains DIRECT VIOLET 48?

Use the INCI Checker to screen a full ingredient list across selected markets, or use the substance market comparison to review this identity across all supported market datasets.

InventoryRef 3356915/10/2010

DIRECT VIOLET 48

Disodium [.mu.-[[7,7'-iminobis[4-hydroxy-3-[[2-hydroxy-5-(N-methylsulphamoyl)phenyl]azo]naphthalene-2-sulphonato]](6-)]]dicuprate(2-) (CI 29125)

DIRECT VIOLET 48 is linked to 1 EU annex record on this page. Inventory note: II/1268.

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Regulatory evidence by market

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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	1	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

PubChem 2D chemical structure for CAS 37279-54-2

CAS 37279-54-2PubChem CID 162255

Direct Violet 48

IUPAC name: dicopper;disodium;3-[[5-(methylsulfamoyl)-2-oxidophenyl]diazenyl]-7-[[6-[[5-(methylsulfamoyl)-2-oxidophenyl]diazenyl]-5-oxido-7-sulfonatonaphthalen-2-yl]amino]-4-oxidonaphthalene-2-sulfonate

Molecular formula: C34H23Cu2N7Na2O14S4
Molecular weight: 1054.9 g/mol
Exact mass: 1052.857316 Da
Topological polar surface area: 394.0 Å²
Hydrogen-bond donors: 3
Hydrogen-bond acceptors: 21
Covalent units: 5
Defined stereocentres: 0

Also known as

G9EK8VBD7LDIRECT FAST VIOLET KMU(.MU.-((7,7'-IMINOBIS(4-HYDROXY-3-((2-HYDROXY-5-((METHYLAMINO)SULFONYL)PHENYL)AZO)-2-NAPHTHALENESULFONATO))(6-)))DICUPRATE (2-), DISODIUM SALTCUPRATE (2-), (.MU.-((7,7'-IMINOBIS(4-HYDROXY-3-((2-HYDROXY-5-((METHYLAMINO)SULFONYL)PHENYL)AZO)-2-NAPHTHALENESULFONATO))(6-)))DI-, DISODIUM SALTCUPRATE(2-), (.MU.-((7,7'-IMINOBIS(4-HYDROXY-3-((2-HYDROXY-5-((METHYLAMINO)SULFONYL)PHENYL)AZO)-2-NAPHTHALENESULFONATO))(6-)))DI-, DISODIUMCuprate(2-), (mu-((7,7'-iminobis(4-hydroxy-3-((2-hydroxy-5-((methylamino)sulfonyl)phenyl)azo)-2-naphthalenesulfonato))(6-)))di-, disodiumCuprate(2-), [.mu.-[[7,7'-iminobis[4-hydroxy-3-[[2-hydroxy-5-[(methylamino)sulfonyl]phenyl]azo]-2-naphthalenesulfonato]](6-)]]di-, disodiumRefChem:589145

12 more reported names

DIRECT VIOLET 48 [INCI](MU-((7,7'-IMINOBIS(4-HYDROXY-3-((2-HYDROXY-5-((METHYLAMINO)SULFONYL)PHENYL)AZO)-2-NAPHTHALENESULFONATO))(6-)))DICUPRATE (2-), DISODIUM SALTCUPRATE (2-), (MU-((7,7'-IMINOBIS(4-HYDROXY-3-((2-HYDROXY-5-((METHYLAMINO)SULFONYL)PHENYL)AZO)-2-NAPHTHALENESULFONATO))(6-)))DI-, DISODIUM SALTCI 29125UNII-G9EK8VBD7LEINECS 253-441-8C.I. 29125DINKHUYGJKLNQS-UHFFFAOYSA-H(mu-((7,7'-Iminobis(4-hydroxy-3-((2-hydroxy-5-((methylamino)sulfo- nyl)phenyl)azo)-2-naphthalenesulfonato))(6-)))dicuprate (2-), disodium saltCopper(2+) sodium 7,7'-azanediylbis(3-{(E)-[5-(methylsulfamoyl)-2-oxidophenyl]diazenyl}-4-oxidonaphthalene-2-sulfonate) (2/2/1)Cuprate (2-), (mu-((7,7'-iminobis(4-hydroxy-3-((2-hydroxy-5-((methylamino)sulfo- nyl)phenyl)azo)-2-naphthalenesulfonato))(6-)))di-, disodium saltDisodium (mu-((7,7'-iminobis(4-hydroxy-3-((2-hydroxy-5-(N-methylsulphamoyl)phenyl)azo)naphthalene-2-sulphonato))(6-)))dicuprate(2-)

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External database identifiers

EPA DTXSID:DTXSID20879790

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 DIRECT VIOLET 48

INCI name

DIRECT VIOLET 48

Description

Disodium [.mu.-[[7,7'-iminobis[4-hydroxy-3-[[2-hydroxy-5-(N-methylsulphamoyl)phenyl]azo]naphthalene-2-sulphonato]](6-)]]dicuprate(2-) (CI 29125)

Record provenance

Inventory reference: 33569
Imported identity: DIRECT VIOLET 48
Source update: 15/10/2010

European Commission CosIng source notes

Annex records for DIRECT VIOLET 48

Annex II Restriction reference

Entry 1268

(micro-((7,7'-Iminobis(4-hydroxy-3-((2-hydroxy-5-(N-methylsulphamoyl)phenyl)azo)naphthalene-2-sulph…

CAS: 37279-54-2

EC: 253-441-8

Key data

CAS

37279-54-2

253-441-8

Restriction

II/1268

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.

#9262 · DIRECT VIOLET 48

Ingredients with overlapping formulation functions

DIRECT BLUE 86HAIR DYEING

DIRECT RED 23HAIR DYEING

DIRECT RED 80HAIR DYEING

DIRECT RED 81HAIR DYEING

DIRECT YELLOW 12HAIR DYEING

DISPERSE BLACK 9HAIR DYEING

DISPERSE BLUE 1HAIR DYEING

DISPERSE BLUE 3HAIR 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 chemicals PubChem PUG REST EU Safety Gate cosmetic product alerts ECHA CHEM US EPA CompTox Cosmetic Ingredient Review safety assessments FDA Global Substance Registration System ILO/WHO International Chemical Safety Cards Japan NITE-CHRIP NIOSH Pocket Guide to Chemical Hazards OECD eChemPortal

How DIRECT VIOLET 48 appears in the CosIng inventory

The CosIng inventory lists DIRECT VIOLET 48 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.

DIRECT VIOLET 48 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

DIRECT VIOLET 48 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 DIRECT VIOLET 48 reads: "II/1268". 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, DIRECT VIOLET 48 carries the following function designation(s):

HAIR DYEING

CAS 37279-54-2 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.

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Source note for DIRECT VIOLET 48

This page combines the CosIng inventory entry for DIRECT VIOLET 48 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 DIRECT VIOLET 48 and compare linked records, but verify restrictions and legal status against the current official source text and law before making regulatory decisions.

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