What other records share CAS 6358-30-1?

CAS 6358-30-1 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 CI 51319?

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 3277914/08/2020

CI 51319

Q: What does the restriction note for CI 51319 mean?

The restriction field for CI 51319 reads: IV/85 (CI 51319) II/1360 (Pigment Violet 23; CI 51319: when used as a substance in hair dye products). This is the restriction note from the CosIng inventory. For authoritative conditions and limits, always refer to the linked annex entries.

8,18-Dichloro-5,15-diethyl-5,15-dihydrodiindolo[3,2-b:3',2'-m]triphenodioxazine

CI 51319 is linked to 2 EU annex records on this page. Inventory note: IV/85 (CI 51319) II/1360 (Pigment Violet 23; CI 51319: when used as a substance in hair dye products).

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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	2	English and EU languages
Great Britain	Source mapped Official source mapped; ingredient rule not imported	0	English
Canada	Source mapped Official source mapped; ingredient rule not imported	0	English and French
New Zealand	Source mapped Official source mapped; ingredient rule not imported	0	English
ASEAN	Source mapped Official source mapped; ingredient rule not imported	0	English and national languages
China	Source mapped Official source mapped; ingredient rule not imported	0	Chinese with selected English material
Japan	Source mapped Official source mapped; ingredient rule not imported	0	Japanese; official English translation available
South Korea	Source mapped Official source mapped; ingredient rule not imported	0	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	Source mapped Official source mapped; ingredient rule not imported	0	English and Hindi
Saudi Arabia	Source mapped Official source mapped; ingredient rule not imported	0	Arabic and English

Chemical identity and properties

PubChem 2D chemical structure for CAS 6358-30-1

CAS 6358-30-1PubChem CID 61387

Carbazole Violet

IUPAC name: 2,20-dichloro-14,32-diethyl-18,36-dioxa-4,14,22,32-tetrazanonacyclo[19.15.0.03,19.05,17.07,15.08,13.023,35.025,33.026,31]hexatriaconta-1,3,5(17),6,8,10,12,15,19,21,23(35),24,26,28,30,33-hexadecaene

Molecular formula: C34H22Cl2N4O2
Molecular weight: 589.5 g/mol
Exact mass: 588.1119813 Da
XLogP3: 8.2
Topological polar surface area: 53.0 Å²
Hydrogen-bond donors: 0
Hydrogen-bond acceptors: 4
Covalent units: 1
Defined stereocentres: 0

Also known as

Dioxazine Violet8U8Z6628KFCI 51319Diindolo(3,2-b:3',2'-m)triphenodioxazine, 8,18-dichloro-5,15-diethyl-5,15-dihydro-Permanent Violet RCyanadur VioletHeliogen VioletDioxazine purple

16 more reported names

Permanent VioletLionol Violet HRLionogen Violet RLSandorin Violet BLVynamon Violet 2BHostaperm Violet RLPV Fast Violet BLChromofine Violet RELake Fast Violet RLUnisperse Violet B-EHelio Fast Violet BNFAST VIOLET RLLake Fast Violet RLBEMC Violet RL 10Monolite Fast Violet RHeliogen Violet R Toner

Open full PubChem record PubChem annotations 3D structure image

External database identifiers

EPA DTXSID:DTXSID2036293

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 CI 51319

INCI name

CI 51319

Description

8,18-Dichloro-5,15-diethyl-5,15-dihydrodiindolo[3,2-b:3',2'-m]triphenodioxazine

Record provenance

Inventory reference: 32779
Imported identity: CI 51319
Source update: 14/08/2020

European Commission CosIng source notes

Annex records for CI 51319

Annex II Restriction reference

Entry 1360

8,18-Dichloro-5,15-diethyl-5,15-dihydrodiindolo[3,2-b:3',2'-m]triphenodioxazine (Pigment Violet 23;…

CAS: 6358-30-1

EC: 228-767-9

Annex IV Restriction reference

Entry 85

CI 51319 / PIGMENT VIOLET 23

CAS: 6358-30-1

EC: 28-767-9

Key data

CAS

6358-30-1

228-767-9

Restriction

IV/85 (CI 51319) II/1360 (Pigment Violet 23; CI 51319: when used as a substance in hair dye products)

Function

COLORANT: Exclusively or mainly intended to colour the cosmetic product, the body as a whole or certain parts thereof, by absorption or reflection of visible light. All authorised colorants are substances in the positive list of Annex IV to the Cosmetics Regulation 1223/2009.

Official EU ingredient-name evidence

The ingredient name exactly matches the official 2025 EU glossary of common ingredient names.

#6424 · CI 51319

Records sharing a CAS or EC identity

PIGMENT VIOLET 23

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

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 CI 51319 appears in the CosIng inventory

The CosIng inventory lists CI 51319 as a cosmetic ingredient and this page links it to 2 annex records. The inventory entry captures names and identifiers, while the annex records show where the substance is prohibited, restricted or positively listed in EU cosmetics law.

CI 51319 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

CI 51319 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 CI 51319 reads: "IV/85 (CI 51319) II/1360 (Pigment Violet 23; CI 51319: when used as a substance in hair dye products)". 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, CI 51319 carries the following function designation(s):

COLORANT

CAS 6358-30-1 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 CI 51319

This page combines the CosIng inventory entry for CI 51319 with 2 linked Annex II–VI records from the local dataset built from public European Commission cosmetic ingredient materials.

Use this inventory page to research CI 51319 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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Tools & next steps

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