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InventoryRef 7398615/10/2010

ACETYL MANDELIC ACID

Benzeneacetic acid, .alpha.-(acetyloxy)-,

ACETYL MANDELIC ACID 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.

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.

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Chemical identity and properties

PubChem 2D chemical structure for CAS 51019-43-3

CAS 51019-43-3PubChem CID 2733814

(R)-2-acetoxy-2-phenylacetic acid

IUPAC name: (2R)-2-acetyloxy-2-phenylacetic acid

Molecular formula: C10H10O4
Molecular weight: 194.18 g/mol
Exact mass: 194.05790880 Da
XLogP3: 1.4
Topological polar surface area: 63.6 Å²
Hydrogen-bond donors: 1
Hydrogen-bond acceptors: 4
Covalent units: 1
Defined stereocentres: 1

Also known as

RefChem:407188610-598-0(-)-O-Acetyl-D-mandelic acid(R)-(-)-O-Acetylmandelic acid(R)-(-)-alpha-Acetoxyphenylacetic acid(2R)-2-(acetyloxy)-2-phenylacetic acid(R)-alpha-Acetoxyphenylacetic acidBenzeneacetic acid, a-(acetyloxy)-, (aR)-

16 more reported names

Mandelic Acid 12EC 610-598-0HY-A0025EN300-7366314(R)-(-)-O-Acetylmandelic acid, 99%, optical purity ee: 98% (GLC)(R)-(-)-a-Acetylmandelic acid(R)-(-)- alpha -Acetylmandelic acidR-(-)-O-Acetoxyphenylaceticacid(R)-(+)-O-Acetylmandelic acidOBCUSTCTKLTMBX-SECBINFHSA-NTYD-00500(2R)-2-acetoxy-2-phenyl-acetic acidCS-W018501(R)-(-)-2-Acetoxy-2-phenylacetic acidAC-27043AC-27045

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.

PubChem 2D chemical structure for CAS 7322-88-5

CAS 7322-88-5PubChem CID 6923379

(+)-O-Acetyl-L-mandelic Acid

IUPAC name: (2S)-2-acetyloxy-2-phenylacetic acid

Molecular formula: C10H10O4
Molecular weight: 194.18 g/mol
Exact mass: 194.05790880 Da
XLogP3: 1.4
Topological polar surface area: 63.6 Å²
Hydrogen-bond donors: 1
Hydrogen-bond acceptors: 4
Covalent units: 1
Defined stereocentres: 1

Also known as

RefChem:390620672-773-8(S)-2-Acetoxy-2-phenylacetic Acid(S)-O-Acetylmandelic Acid(S)-(+)-O-Acetylmandelic acidacetyl mandelic acid(S)-(+)-alpha-Acetoxyphenylacetic acid(+)-acetylmandelic acid

16 more reported names

S-Acetylmandelic AcidAcetylmandelic acid, (+)-(S)-(+)-O-Acetyl-L-mandelic acid(+)-o-acetylmandelic acid(S)-alpha-Acetoxyphenylacetic acidL-(+)-O-Acetylmandelic AcidMandelic acid, acetate, L-(2S)-2-Acetoxy-2-phenyl-acetic acid0N6KT18K98(2S)-2-(acetyloxy)-2-phenylacetic acidGS-3391EN300-316469(S)-(+)-.ALPHA.-ACETOXYPHENYLACETIC ACIDBENZENEACETIC ACID, .ALPHA.-(ACETYLOXY)-, (.ALPHA.S)-Acetyl mandelic acid [INCI]Mandel

Open full PubChem record PubChem annotations 3D structure image

External database identifiers

EPA DTXSID:DTXSID50872032

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 ACETYL MANDELIC ACID

INCI name

ACETYL MANDELIC ACID

Description

Benzeneacetic acid, .alpha.-(acetyloxy)-,

Record provenance

Inventory reference: 73986
Imported identity: ACETYL MANDELIC ACID
Source update: 15/10/2010

European Commission CosIng source notes

Annex records for ACETYL MANDELIC ACID

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Key data

CAS

51019-43-3 / 7322-88-5

- / -

Restriction

—

Function

BUFFERING: Stabilising the pH of an aqueous medium in a narrow range even if an acid or base is added. Altering and/or maintaining a cosmetic product's pH at the desired level.

Official EU ingredient-name evidence

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

#671 · ACETYL MANDELIC ACID

Records sharing a CAS or EC identity

AMMONIUM MONOFLUOROPHOSPHATE ATTAPULGITE BAICALIN BETULA ALBA OIL BUTETH-3 CARBOXYLIC ACID CARAPA GUAIANENSIS SEED OIL CARAPA GUAIANENSIS SEED POWDER CARYA ILLINOENSIS SHELL POWDER

Ingredients with overlapping formulation functions

1,6-HEXANEDIAMINEBUFFERING

2-AMINOBUTANOLBUFFERING

ACETIC ACIDBUFFERING, FRAGRANCE

ADIPIC ACIDBUFFERING, FRAGRANCE

ALSTONIA SCHOLARIS BARK EXTRACTBUFFERING, SKIN PROTECTING

ALUMINUM GLYCINATEASTRINGENT, BUFFERING

ALUMINUM LACTATEASTRINGENT, BUFFERING, DEODORANT

ALUMINUM TRIFORMATEBUFFERING

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 ACETYL MANDELIC ACID appears in the CosIng inventory

The CosIng inventory lists ACETYL MANDELIC ACID 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.

ACETYL MANDELIC ACID 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

ACETYL MANDELIC ACID 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, ACETYL MANDELIC ACID carries the following function designation(s):

BUFFERING

CAS 51019-43-3 / 7322-88-5 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 ACETYL MANDELIC ACID

This page reproduces the CosIng inventory entry for ACETYL MANDELIC ACID 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 ACETYL MANDELIC ACID 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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