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CAS 36589-29-4 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.

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InventoryRef 9648315/04/2019

ETHYL ARGINATE HCL

ethyl (2S)-2-amino-5-carbamimidamidopentanoate dihydrochloride; ethyl 2-amino-5-(diaminomethylideneamino)pentanoate dihydrochloride

ETHYL ARGINATE HCL is listed in the EU CosIng inventory, but no direct annex records are linked on this page yet.

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Regulatory evidence by market

No rule for this ingredient has been imported for any of the 13 markets tracked here.

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Chemical identity and properties

PubChem 2D chemical structure for CAS 36589-29-4

CAS 36589-29-4PubChem CID 12896754

Arginine ethyl ester hydrochloride

IUPAC name: ethyl (2S)-2-amino-5-(diaminomethylideneamino)pentanoate;hydrochloride

Molecular formula: C8H19ClN4O2
Molecular weight: 238.71 g/mol
Exact mass: 238.1196536 Da
Topological polar surface area: 117.0 Å²
Hydrogen-bond donors: 4
Hydrogen-bond acceptors: 4
Covalent units: 2
Defined stereocentres: 1

Also known as

UNII-D04K8356K7L-Arginine, ethyl ester, hydrochloride (1:2)RefChem:199624L-Arginine ethyl ester dihydrochloride(S)-Ethyl 2-amino-5-guanidinopentanoate hydrochlorideL-Arginine, ethyl ester, dihydrochlorideL-Arginine ethyl ester hydrochlorideH-ARG-OET 2HCL

2 more reported names

[(4S)-4-azaniumyl-5-ethoxy-5-oxopentyl]-(diaminomethylidene)azanium;dichlorideA6925

Open full PubChem record PubChem annotations 3D structure image

Retrieved from NIH PubChem on 2026-08-31 by checksum-valid CAS matching. Chemical properties do not replace the regulatory decision on this page.

Inventory details for ETHYL ARGINATE HCL

INCI name

ETHYL ARGINATE HCL

Description

ethyl (2S)-2-amino-5-carbamimidamidopentanoate dihydrochloride; ethyl 2-amino-5-(diaminomethylideneamino)pentanoate dihydrochloride

Record provenance

Inventory reference: 96483
Imported identity: ETHYL ARGINATE HCL
Source update: 15/04/2019

European Commission CosIng source notes

Annex records for ETHYL ARGINATE HCL

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Key data

CAS

36589-29-4

609-261-0

Restriction

—

Function

HAIR CONDITIONING: Enhancing the appearance and feel of hair. Leaving the hair easy to comb, supple, soft and shiny and/or imparting volume, lightness, gloss, texture, etc.

Official EU ingredient-name evidence

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

#10025 · ETHYL ARGINATE HCl

Ingredients with overlapping formulation functions

ERYNGIUM CAMPESTRE EXTRACTHAIR CONDITIONING, SKIN CONDITIONING

ETHYL ALMONDATEHAIR CONDITIONING, SKIN CONDITIONING, SKIN CONDITIONING - EMOLLIENT

ETHYL APRICOT KERNELATEHAIR CONDITIONING, SKIN CONDITIONING, SKIN CONDITIONING - EMOLLIENT

ETHYL ARGANATEHAIR CONDITIONING

ETHYL BALANITES ROXBURGHII SEEDATEHAIR CONDITIONING, SKIN CONDITIONING, SKIN CONDITIONING - EMOLLIENT

ETHYL BEHENATESKIN CONDITIONING - EMOLLIENT; FILM FORMING; HAIR CONDITIONING

ETHYL BIOTINATEHAIR CONDITIONING, SKIN CONDITIONING

ETHYL ESTER OF HYDROLYZED ANIMAL PROTEINANTISTATIC, HAIR CONDITIONING, SKIN CONDITIONING, SKIN CONDITIONING - EMOLLIENT

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 ETHYL ARGINATE HCL appears in the CosIng inventory

The CosIng inventory lists ETHYL ARGINATE HCL as a cosmetic ingredient and this page links it to 0 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.

ETHYL ARGINATE HCL 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

ETHYL ARGINATE HCL is listed in the EU CosIng ingredient inventory with no direct annex restriction records linked at this time. Absence of an annex link does not guarantee unrestricted use — always verify against the current official CosIng database before formulating.

According to the EU CosIng inventory, ETHYL ARGINATE HCL carries the following function designation(s):

HAIR CONDITIONING

CAS 36589-29-4 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 ETHYL ARGINATE HCL

This page reproduces the CosIng inventory entry for ETHYL ARGINATE HCL from public European Commission cosmetic ingredient materials and shows linked identifiers even when no direct annex match is currently attached.

Use this inventory page to research ETHYL ARGINATE HCL 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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