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InventoryRef 3468621/11/2016

ISOPROPYL CITRATE

(1-Methylethyl) dihydrogen 2-hydroxypropane-1,2,3-tricarboxylate; 1,2,3-Propanetricarboxylic, 2-hydroxy-, 1-Methylethyl Ester

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

Regulatory evidence by market

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

That describes this inventory, not the law. No imported rule is not evidence that an ingredient is permitted: a rule may exist under another name or identifier, or in a dataset not yet imported here.

Chemical identity and properties

PubChem 2D chemical structure for CAS 1321-57-9
CAS 1321-57-9PubChem CID 9816081

1-Isopropyl citrate

1-Isopropyl citrate is a carbonyl compound. ChEBI

IUPAC name
2-hydroxy-2-(2-oxo-2-propan-2-yloxyethyl)butanedioic acid
Molecular formula
C9H14O7
Molecular weight
234.20 g/mol
Exact mass
234.07395278 Da
XLogP3
-0.6
Topological polar surface area
121.0 Ų
Hydrogen-bond donors
3
Hydrogen-bond acceptors
7
Covalent units
1
Defined stereocentres
0

Also known as

0GG8VH216P2-hydroxy-2-[2-oxo-2-(propan-2-yloxy)ethyl]butanedioic acidUNII-0GG8VH216P1,2,3-Propanetricarboxylic acid, 2-hydroxy-, 1-(1-methylethyl) ester2-hydroxy-2-(2-oxo-2-(propan-2-yloxy)ethyl)butanedioic acidRefChem:76128Citric Acid Isopropyl EsterMonoisopropyl citrate
13 more reported names
Citric acid, monoisopropyl ester(1-Methylethyl) dihydrogen 2-hydroxypropane-1,2,3-tricarboxylate2-Hydroxy-2-(2-isopropoxy-2-oxoethyl)succinic acidMono(1-methylethyl) 2-hydroxy-1,2,3-propanetricarboxylateEINECS 215-319-2UNII-GL3533UI0RGL3533UI0RCHEBI:168595SKHXHUZZFVMERR-UHFFFAOYSA-N1,2,3-Propanetricarboxylic acid, 2-hydroxy-, mono(1-methylethyl) esterAS-591302-hydroxy-2-(2-isopropoxy-2-oxo-ethyl)butanedioic acid2-Hydroxy-2-{2-oxo-2-[(propan-2-yl)oxy]ethyl}butanedioate
External database identifiers

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

PubChem 2D chemical structure for CAS 39413-05-3
CAS 39413-05-3PubChem CID 61986

Isopropyl Citrate

Isopropyl citrate is an oxo carboxylic acid. ChEBI

IUPAC name
2-hydroxy-2-(2-oxopropyl)butanedioic acid;propan-2-ol
Molecular formula
C10H18O7
Molecular weight
250.25 g/mol
Exact mass
250.10525291 Da
Topological polar surface area
132.0 Ų
Hydrogen-bond donors
4
Hydrogen-bond acceptors
7
Covalent units
2
Defined stereocentres
0

Also known as

CCRIS 3655LI8054GLDY1-Methylethyl 2-hydroxy-1,2,3-propanetricarboxylate1,2,3-Propanetricarboxylic acid, 2-hydroxy-, 1-methylethyl ester1,2,3-Propanetricarboxylic acid, 2-hydroxy-, mono(2-methylpropyl) esterRefChem:792164ISOPROPYL CITRATE [INCI]1,2,3-Propanetricarboxylic acid, 2-hydroxy-, mono(2-methylpropyl) ester (9CI)
4 more reported names
Citric acid, isopropyl esterUNII-LI8054GLDYCHEBI:172491XBLJCYOUYPSETL-UHFFFAOYSA-N
External database identifiers

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 ISOPROPYL CITRATE

INCI name

ISOPROPYL CITRATE

Description

(1-Methylethyl) dihydrogen 2-hydroxypropane-1,2,3-tricarboxylate; 1,2,3-Propanetricarboxylic, 2-hydroxy-, 1-Methylethyl Ester

Record provenance

Inventory reference
34686
Imported identity
ISOPROPYL CITRATE
Source update
21/11/2016
European Commission CosIng source notes

Key data

CAS
1321-57-9 / 39413-05-3
EC
215-319-2 / -
Restriction
Function
PLASTICISER
Softening and making supple synthetic polymers that otherwise could not be easily deformed, spread or worked out.
SOLVENT
Dissolving other components of cosmetics. Solvents are usually liquids (aqueous and nonaqueous).

Official EU ingredient-name evidence

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

Ingredients with overlapping formulation functions

Additional official and scientific sources

11 external databases to check this identity in

How ISOPROPYL CITRATE appears in the CosIng inventory

The CosIng inventory lists ISOPROPYL CITRATE 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.

ISOPROPYL CITRATE is also tagged with 2 cosmetic functions 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

ISOPROPYL CITRATE 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, ISOPROPYL CITRATE carries the following function designation(s):

CAS 1321-57-9 / 39413-05-3 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.

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

Source note for ISOPROPYL CITRATE

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

Tools & next steps

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