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CAS 594-61-6

CAS 594-61-6 matches 0 EU annex records across Annex II–VI of Regulation 1223/2009.

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Chemical identity and properties

PubChem 2D chemical structure for CAS 594-61-6
CAS 594-61-6PubChem CID 11671

2-Hydroxyisobutyric acid

2-hydroxyisobutyric acid is a 2-hydroxy monocarboxylic acid that is isobutyric acid bearing a hydroxy substituent at position 2. It is a metabolite of methyl tertiary-butyl ether. It has a role as a human xenobiotic metabolite. It is functionally related to an isobutyric acid. It is a conjugate acid of a 2-hydroxyisobutyrate. — ChEBI

IUPAC name
2-hydroxy-2-methylpropanoic acid
Molecular formula
C4H8O3
Molecular weight
104.10 g/mol
Exact mass
104.047344113 Da
XLogP3
-0.4
Topological polar surface area
57.5 Ų
Hydrogen-bond donors
2
Hydrogen-bond acceptors
3
Covalent units
1
Defined stereocentres
0

Also known as

2-Methyllactic acidAcetonic acidalpha-Hydroxyisobutyric acidHydroxydimethylacetic acidPropanoic acid, 2-hydroxy-2-methyl-Lactic acid, 2-methyl-alpha-Hydroxyisobutanoic acid2-hydroxy-2-methyl-propanoic acid
16 more reported names
alpha-Hydroxy-alpha-methylpropanoic acidDMW250U2HFNSC-4505NSC-402158CHEBI:50129RefChem:87569209-848-82-Hydroxy-2-methylpropionic acida-hydroxyisobutyric acidl-2-methyllactate.alpha.-Hydroxyisobutyric acidHIBA.alpha.-Hydroxyisobutanoic acid2-hydroxy-2-methyl-propionic acidNSC 4505(CH3)2COHCOOH
Open full PubChem recordPubChem annotations3D structure image
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.

Records for CAS 594-61-6

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How CAS 594-61-6 is used on this site

CAS 594-61-6 is the Chemical Abstracts Service identifier used to pin this page to a specific substance. In the current dataset, 0 EU annex records share this identifier, which helps you cross-check whether the same substance appears under one regulatory context or several.

Use this page when a supplier specification, SDS or raw-material dossier gives you CAS 594-61-6 and you need to see every linked Annex II–VI record in one place. The entry cards above are the quickest route to concentration limits, warnings, annex placement and product-type conditions.