What does the restriction note for SOLVENT RED 49:1 mean?

The restriction field for SOLVENT RED 49:1 reads: II/398. 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 6373-07-5?

CAS 6373-07-5 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 SOLVENT RED 49:1?

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 8463309/07/2015

SOLVENT RED 49:1

N-[9-(2-Carboxyphenyl)-6-(Diethylamino)-3H-Xanthen-3-ylidene]-N-Ethylethanaminium octadecanoate

SOLVENT RED 49:1 is linked to 1 EU annex record on this page. Inventory note: II/398.

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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	Source mapped Official source mapped; ingredient rule not imported	0	English
Canada	Evidence linked Prohibited Open this evidence	1	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	Source mapped Official source mapped; ingredient rule not imported	0	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 6373-07-5

CAS 6373-07-5PubChem CID 61398

Rhodamine B Stearate

IUPAC name: [9-(2-carboxyphenyl)-6-(diethylamino)xanthen-3-ylidene]-diethylazanium;octadecanoate

Molecular formula: C46H66N2O5
Molecular weight: 727.0 g/mol
Exact mass: 726.49717321 Da
Topological polar surface area: 92.9 Å²
Hydrogen-bond donors: 1
Hydrogen-bond acceptors: 6
Covalent units: 2
Defined stereocentres: 0

Also known as

Rhodamine B-stearateD and C Red No. 37AKA215D and C Red 37D+C Red No. 37Red No. 21511970 RedCI 45170:1 (Stearate)

16 more reported names

P867J78P1YC.I. 45170:1 (Stearate)NSC-10476CI 45170 STEARATE9-(2-Carboxyphenyl)-3,6-bis(diethylamino)xanthylium stearateAKA-215C.I. 45170 STEARATEXanthylium, 9-(2-carboxyphenyl)-3,6-bis(diethylamino)-, octadecanoateEINECS 228-908-4NSC 10476D&C RED NO. 37 (DELISTED)CI 45170:1Xanthylium, 9-(2-carboxyphenyl)-3,6-bis(diethylamino)-, octadecanoate (1:1)Ethanaminium, N-(9-(2-carboxyphenyl)-6-(diethylamino)-3H-xanthen-3-ylidene)-N-ethyl-, octadecanoateAmmonium, (9-(o-carboxyphenyl)-6-(diethylamino)-3H-xanthen-3-ylidene)diethyl-, stearateAMMONIUM, (9-(O-CARBOXYPHENYL)-6(DIETHYLAMINO)-3H-XANTHEN-3-YLIDENE)DIETHYL-, STEARATE

Open full PubChem record PubChem annotations 3D structure image

External database identifiers

EPA DTXSID:DTXSID2064284

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 SOLVENT RED 49:1

INCI name

SOLVENT RED 49:1

Description

N-[9-(2-Carboxyphenyl)-6-(Diethylamino)-3H-Xanthen-3-ylidene]-N-Ethylethanaminium octadecanoate

Record provenance

Inventory reference: 84633
Imported identity: SOLVENT RED 49:1
Source update: 09/07/2015

European Commission CosIng source notes

Annex records for SOLVENT RED 49:1

Annex II Restriction reference

Entry 398

Colouring agent CI 45170, Colouring agent CI 45170:1 (Basic Violet 10)

CAS: 81-88-9 / 509-34-2

EC: 201-383-9 / 208-096-8

Key data

CAS

6373-07-5

228-908-4

Restriction

II/398

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.

#27215 · SOLVENT RED 49:1

Ingredients with overlapping formulation functions

SOLANUM LYCOPERSICUM POMACE POWDERANTIOXIDANT; COLORANT; EXFOLIATING

SOLVENT GREEN 7COLORANT, HAIR DYEING

SOLVENT RED 24COLORANT

SOLVENT RED 48COLORANT

SOLVENT RED 72COLORANT, HAIR DYEING

SPHINGOMONAS OLEI EXTRACT FILTRATECOLORANT

SR-(SILKWORM POLYPEPTIDE-1 SERINYL LITHOPHYLLON CONCINNA POLYPEPTIDE-1 DIPEPTID…COLORANT; SLIP MODIFIER

STREPTOMYCES RUBROVINUS FERMENT EXTRACTBLEACHING; COLORANT

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 SOLVENT RED 49:1 appears in the CosIng inventory

The CosIng inventory lists SOLVENT RED 49:1 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.

SOLVENT RED 49:1 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

SOLVENT RED 49:1 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 SOLVENT RED 49:1 reads: "II/398". 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, SOLVENT RED 49:1 carries the following function designation(s):

COLORANT

CAS 6373-07-5 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 SOLVENT RED 49:1

This page combines the CosIng inventory entry for SOLVENT RED 49:1 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 SOLVENT RED 49:1 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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