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CAS 99-06-9

CAS 99-06-9 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 99-06-9
CAS 99-06-9PubChem CID 7420

3-Hydroxybenzoic Acid

3-hydroxybenzoic acid is a monohydroxybenzoic acid that is benzoic acid substituted by a hydroxy group at position 3. It has been isolated from Taxus baccata. It is used as an intermediate in the synthesis of plasticisers, resins, pharmaceuticals, etc. It has a role as a plant metabolite and a bacterial metabolite. It is functionally related to a benzoic acid. It is a conjugate acid of a 3-hydroxybenzoate. — ChEBI

IUPAC name
3-hydroxybenzoic acid
Molecular formula
C7H6O3
Molecular weight
138.12 g/mol
Exact mass
138.031694049 Da
XLogP3
1.5
Topological polar surface area
57.5 Ų
Hydrogen-bond donors
2
Hydrogen-bond acceptors
3
Covalent units
1
Defined stereocentres
0

Also known as

M-HYDROXYBENZOIC ACIDm-Salicylic acid3-CarboxyphenolBenzoic acid, 3-hydroxy-Benzoic acid, m-hydroxy-2ZFW40OJ7UCHEBI:30764NSC-55746
16 more reported names
AC PE 3HB3-hydroxybenzoic acid, monosodium saltRefChem:25902202-726-5m-Hba3-Hydroxy benzoic acidAcido m-idrossibenzoicometa-Hydroxybenzoic acidKyselina 3-hydroxybenzoova3-hydroxy-benzoic acidNSC 55746m-hydroxybenzoate3HBAcido m-idrossibenzoico [Italian]Kyselina 3-hydroxybenzoova [Czech]EINECS 202-726-5
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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 99-06-9

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How CAS 99-06-9 is used on this site

CAS 99-06-9 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 99-06-9 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.