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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HCID 328Generated: October 23, 2026

(+-)-4-Hydroxymandelic acid

2-hydroxy-2-(4-hydroxyphenyl)acetic acid · 2-hydroxy-2-(4-hydroxyphenyl)acetic acid hydrate · RARECHEM AL BO 0522 · P-HYDROXY MANDELIC ACID · 4-HYDROXYM AND ELIC ACID · DL-4-HYDROXYMANDELIC ACID · 4-Hydroxyphenylglycolic acid · DL-4-Hydroxymandelic acid,95%

https://huagongshe.com/en/chemical/328

(+-)-4-Hydroxymandelic acid molecular structure

Identifiers & Physical Properties

CAS No.1198-84-1
Molecular formulaC8H8O4
Average molar mass168.15 g/mol
Monoisotopic mass168.04225873 g/mol
SMILESO=C(O)C(O)c1ccc(O)cc1
InChIKeyYHXHKYRQLYQUIH-UHFFFAOYSA-N
PubChem CID328
ChEMBLCHEMBL2087618
ChEBICHEBI:16388
EC No.214-839-7
DTXSIDDTXSID70862596

Chemical & Physical Properties

XLogP0.3
Topological polar surface area77.8
Hydrogen bond donors3
Hydrogen bond acceptors4
Rotatable bonds2
Heavy atoms12
Formal charge0
Complexity160
Melting point82-85 °C(lit.)
Boiling point405.4±30.0 °C(Predicted)
Density1.480±0.06 g/cm3(Predicted)
Storage conditionsStore at -20°C
SolubilitySoluble in DMSO
Physical stateSolid
pKa (acidity coefficient)3.51±0.10(Predicted)
ColorWhite to pink
InChIInChI=1S/C8H8O4/c9-6-3-1-5(2-4-6)7(10)8(11)12/h1-4,7,9-10H,(H,11,12)
InChIKeyYHXHKYRQLYQUIH-UHFFFAOYSA-N
SMILESC(O)(=O)C(C1=CC=C(O)C=C1)O
CAS DataBase Reference1198-84-1(CAS DataBase Reference)
FDA UNIIHV52GS53BA
EPA Substance Registry SystemBenzeneacetic acid, ?,4-dihydroxy- (1198-84-1)
GHS pictogramGHS07
Signal wordWarning
GHS hazard statementsH315-H319-H335
GHS precautionary statementsP261-P305+P351+P338
Hazard symbolsXi
Risk statements (R)36/37/38
Safety statements (S)26-36
Water hazard class (WGK)3

Safety & Regulations

Water hazard class (WGK)3
Risk statements (R)36/37/38
Signal wordWarning
GHS pictogramGHS07
Hazard symbolsXi
Safety statements (S)26-36
GHS hazard statementsH315-H319-H335
GHS precautionary statementsP261-P305+P351+P338

Applications & Uses

Uses

4-Hydroxymandelic Acid is a useful synthetic intermediate in the synthesis of Hydroxyatenolol (H802480); a metabolite of Atenolol (A790075) which is a cardioselective β-adrenergic blocker, antihypertensive, antianginal, and antiarrhythmic (class II).