Back
HuagongsheHuagongshe Chemistry Print Report · For research reference only
HCID 297964Generated: October 23, 2026

4-Benzyloxy-3-methoxyphenylacetic Acid

NSC 169521 · RARECHEM AL BO 1518 · 4-Benzyloxy-3-methoxyphenylacetic acid · 2-(3-methoxy-4-phenylmethoxyphenyl)acetic acid · Benzeneacetic acid, 3-methoxy-4-(phenylmethoxy)-

https://huagongshe.com/en/chemical/297964

4-Benzyloxy-3-methoxyphenylacetic Acid molecular structure

Identifiers & Physical Properties

CAS No.29973-91-9
Molecular formulaC16H16O4
Average molar mass272.29 g/mol
Monoisotopic mass272.10485899 g/mol
SMILESCOc1cc(CC(=O)O)ccc1OCc1ccccc1
InChIKeyAYCIHUSEBJLTBF-UHFFFAOYSA-N
PubChem CID297964
ChEMBLCHEMBL1715051
EC No.688-822-1
DTXSIDDTXSID20305165

Chemical & Physical Properties

XLogP2.6
Topological polar surface area55.8
Hydrogen bond donors1
Hydrogen bond acceptors4
Rotatable bonds6
Heavy atoms20
Formal charge0
Complexity299
LogP (partition coefficient)2.59
Melting point100-102 °C (lit.)
Boiling point440.1±35.0 °C(Predicted)
Density1+-.0.06 g/cm3(Predicted)
pKa (acidity coefficient)4.33±0.10(Predicted)
Physical statepowder to crystal
ColorWhite to Light yellow
InChI1S/C16H16O4/c1-19-15-9-13(10-16(17)18)7-8-14(15)20-11-12-5-3-2-4-6-12/h2-9H,10-11H2,1H3,(H,17,18)
InChIKeyAYCIHUSEBJLTBF-UHFFFAOYSA-N
SMILESCOc1cc(CC(O)=O)ccc1OCc2ccccc2
UNSPSC Code12352100
NACRESNA.22
GHS pictogramGHS05,GHS07
Signal wordDanger
GHS hazard statementsH302-H315-H318-H335
GHS precautionary statementsP261-P280-P305+P351+P338
Personal protective equipment (PPE)dust mask type N95 (US), Eyeshields, Gloves
Hazard symbolsXi,Xn
Risk statements (R)36/37/38-41-37/38-22
Safety statements (S)26-36
Water hazard class (WGK)3
Customs code2918999090
Storage class11 - Combustible Solids
Hazard classAcute Tox. 4 OralEye Dam. 1Skin Irrit. 2STOT SE 3

Safety & Regulations

GHS classificationDangerH302 (97.5%): Harmful if swallowed [Warning Acute toxicity, oral]P261, P264, P264+P265, P270, P271, P280, P301+P317, P302+P352, P304+P340, P305+P354+P338, P317, P319, P321, P330, P332+P317, P362+P364, P403+P233, P405, and P501 (click each P-code to see the statement)Aggregated GHS information provided per 40 reports by companies from 3 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.
Hazard Classes and CategoriesAcute Tox. 4 (97.5%)
Personal protective equipment (PPE)dust mask type N95 (US), Eyeshields, Gloves
Water hazard class (WGK)3
Customs code2918999090
Risk statements (R)36/37/38-41-37/38-22
Signal wordDanger
GHS pictogramGHS05,GHS07
Hazard symbolsXi,Xn
Safety statements (S)26-36
Storage class11 - Combustible Solids
GHS hazard statementsH302-H315-H318-H335
Hazard classAcute Tox. 4 OralEye Dam. 1Skin Irrit. 2STOT SE 3
GHS precautionary statementsP261-P280-P305+P351+P338

Applications & Uses

Uses

4-Benzyloxy-3-methoxyphenylacetic acid may be used as one of the reactant in the synthesis of 1,2-bis(4-benzyloxy-3-methoxyphenyl)-3-hydroxy-propionic acid.

General Description

4-Benzyloxy-3-methoxyphenylacetic acid is an aromatic phenyl acetic acid. It has been synthesized by the benzylation of 4-hydroxy-3-methoxyphenylacetic acid.

4-Benzyloxy-3-methoxyphenylacetic Acid|Huagongshe