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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HCID 77698Generated: October 23, 2026

2-Methoxy-1-phenylethanone

2-methoxy-1-phenylethan-1-one · 2-Methoxyacetophenone · 1-METHOXYACETOPHENONE · ALPHA-METHOXY ACETOPHENONE · (Methoxymethyl)phenyl ketone · Ethanone, 2-Methoxy-1-phenyl-

https://huagongshe.com/en/chemical/77698

2-Methoxy-1-phenylethanone molecular structure

Identifiers & Physical Properties

CAS No.4079-52-1
Molecular formulaC9H10O2
Average molar mass150.17 g/mol
Monoisotopic mass150.06807956 g/mol
SMILESCOCC(=O)c1ccccc1
InChIKeyYRNDGUSDBCARGC-UHFFFAOYSA-N
PubChem CID77698
ChEBICHEBI:52400
EC No.223-802-4
DTXSIDDTXSID90193778

Chemical & Physical Properties

XLogP1.5
Topological polar surface area26.3
Hydrogen bond donors0
Hydrogen bond acceptors2
Rotatable bonds3
Heavy atoms11
Formal charge0
Complexity126
Melting point7-8 °C (lit.)
Boiling point122-123 °C/18 mmHg (lit.)
Density1.09 g/mL at 25 °C (lit.)
Refractive indexn20/D 1.5365(lit.)
Flash point215 °F
Storage conditionsInert atmosphere,Room Temperature
Physical stateliquid
Specific gravity1.090
AppearanceColorless to light yellow Liquid
InChI1S/C9H10O2/c1-11-7-9(10)8-5-3-2-4-6-8/h2-6H,7H2,1H3
InChIKeyYRNDGUSDBCARGC-UHFFFAOYSA-N
SMILESCOCC(=O)c1ccccc1
CAS DataBase Reference4079-52-1(CAS DataBase Reference)
FDA UNIIY4V7A57H8F
UNSPSC Code12352100
NACRESNA.22
GHS pictogramGHS07
Signal wordWarning
GHS hazard statementsH315-H319-H335
GHS precautionary statementsP261-P305+P351+P338
Personal protective equipment (PPE)Eyeshields, Gloves
Water hazard class (WGK)3
Storage class10 - Combustible liquids

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)The GHS information provided by 1 company from 1 notification to the ECHA C&L Inventory.
Hazard Classes and CategoriesSkin Irrit. 2 (100%)
Personal protective equipment (PPE)Eyeshields, Gloves
Water hazard class (WGK)3
Signal wordWarning
GHS pictogramGHS07
Storage class10 - Combustible liquids
GHS hazard statementsH315-H319-H335
GHS precautionary statementsP261-P305+P351+P338

Applications & Uses

Uses

2-Methoxy-1-phenylethan-1-one is used as a reactant in the preparation of diarylpyrazoles as cyclooxygenase 2 inhibitors.