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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HCID 81596Generated: October 23, 2026

3-Phenoxypropionic acid

3-PHENOXYPROPANOIC ACID · AKOS BC-0462 · AKOS BBS-00006237 · 3-Phenoxypropionic · TIMTEC-BB SBB003895 · 3-phenoxypropanoate · RARECHEM AL BO 1278 · OTAVA-BB BB0125160240

https://huagongshe.com/en/chemical/81596

3-Phenoxypropionic acid molecular structure

Identifiers & Physical Properties

CAS No.7170-38-9
Molecular formulaC9H10O3
Average molar mass166.17 g/mol
Monoisotopic mass166.06299418 g/mol
SMILESO=C(O)CCOc1ccccc1
InChIKeyBUSOTUQRURCMCM-UHFFFAOYSA-N
PubChem CID81596
ChEBICHEBI:169989
EC No.230-518-4
DTXSIDDTXSID10221921

Chemical & Physical Properties

XLogP1.5
Topological polar surface area46.5
Hydrogen bond donors1
Hydrogen bond acceptors3
Rotatable bonds4
Heavy atoms12
Formal charge0
Complexity139
Melting point97.5 °C98-100 °C (lit.)
Physical DescriptionSolid
Boiling point235-245 °C (lit.)
Density1.1708 (rough estimate)
Refractive index1.5184 (estimate)
Flash point243-245°C
Storage conditionsSealed in dry,Room Temperature
Physical statepowder to crystal
pKa (acidity coefficient)4.12±0.10(Predicted)
ColorWhite to Almost white
BRN1638040
InChIInChI=1S/C9H10O3/c10-9(11)6-7-12-8-4-2-1-3-5-8/h1-5H,6-7H2,(H,10,11)
InChIKeyBUSOTUQRURCMCM-UHFFFAOYSA-N
SMILESC(O)(=O)CCOC1=CC=CC=C1
CAS DataBase Reference7170-38-9(CAS DataBase Reference)
NIST Chemistry Reference3-Phenoxypropionic acid(7170-38-9)
UNSPSC Code12352100
NACRESNA.22
GHS pictogramGHS07
Signal wordWarning
GHS hazard statementsH315-H319-H335
GHS precautionary statementsP261-P280a-P304+P340-P305+P351+P338-P405-P501a
Personal protective equipment (PPE)Eyeshields, Gloves, type N95 (US)
Hazard symbolsC
Risk statements (R)34
Safety statements (S)24/25-45-36/37/39-27-26
Water hazard class (WGK)3
Hazard classIRRITANT
Customs code29189990
Storage class11 - Combustible Solids

Safety & Regulations

GHS classificationWarningH315 (100%): Causes skin irritation [Warning Skin corrosion/irritation]P261, P264, P264+P265, P271, P280, P302+P352, P304+P340, P305+P351+P338, P319, P321, P332+P317, P337+P317, P362+P364, P403+P233, P405, and P501 (click each P-code to see the statement)Aggregated GHS information provided per 6 reports by companies from 3 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.
Hazard Classes and CategoriesSkin Irrit. 2 (100%)
Personal protective equipment (PPE)Eyeshields, Gloves, type N95 (US)
Water hazard class (WGK)3
Customs code29189990
Risk statements (R)34
Signal wordWarning
GHS pictogramGHS07
Hazard symbolsC
Safety statements (S)24/25-45-36/37/39-27-26
Hazard classIRRITANT
Storage class11 - Combustible Solids
GHS hazard statementsH315-H319-H335
GHS precautionary statementsP261-P280a-P304+P340-P305+P351+P338-P405-P501a

Applications & Uses

Uses

3-Phenoxypropionic acid is a carboxylic acid derivative that can be used as an intermediate in pharmaceutical and chemical synthesis.