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Dayang Chem (Hangzhou) Co., Ltd.
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Henan Tianfu Chemical Co., Ltd.
China
Product Name: 2-Phenylacetophenone 451-40-1
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451-40-1

451-40-1 structure

451-40-1 structure

Name: 2-Phenylacetophenone
Chemical Name: 2-Phenylacetophenone
CAS Number: 451-40-1
Molecular Formula: C₁₄H₁₂O
Molecular Weight: 196.245
Catalog: Biochemical Nucleoside drugs Nucleotides and their analogues
Create Date: 2018-06-13 14:18:16
Modify Date: 2026-07-02 16:43:02
2-Phenylacetophenone has broad-spectrum efflux pump inhibition activity. 2-Phenylacetophenone is a benzoin derivative used as a photoinitiator in vinyl polymerization[1].

Name	2-Phenylacetophenone
Synonyms	Deoxybenzoin, 10 mM in DMSO OMEGA-Phenylacetophenone Acetophenone, 2-phenyl 1,2-Diphenylethanone (Pecoxib sodium Impurity) à-phenylacetophenone Pecoxib Sodium Impurity 1 2-PHENYLACETOPHENONE Benzyl phenyl ketone, Deoxybenzoin Ethanone 1,2-diphenyl A-PHENYLACETOPHENONE 1,2-Diphenylethan-1-one Diphenylethanone(oxo-) Phenylmethyl phenyl ketone ValdecoxibDeoxyBenzoin(BenzylPhenylKetone) 2-phenyl-1-phenylethanone 2-PHENYLACETOPHENONE(DEOXYBENZOIN) 2-PHENHL ACETOPHENONE (DEOXYBENZOIN) Deoxybenzoin(Pecoxib sodiuM inteMediate) Deoxybenzoin(oxo-) 1,2-Diphenylethanone MFCD00003081 benzyl phenyl ketone Deoxybenzoin, R DIPHENYLETHYLKETONE DESOXYBENZOIN EINECS 207-193-2 Deoxybenzoin (Benzyl phenyl ketone) 1,2-diphenyl-ethanone Pecoxib Impurity 1 Benzoin, deoxy BENZYL PHENYL KETONE 2-Phenylacetophenone -1 2-Phenylacetophenone\|\|\|Benzyl phenyl ketone\|\|\|NSC-131456\|\|\|NSC131456\|\|\|NSC Pecoxib Sodium-1 Deoxybenzoin Desoxybenzoine 2-phenyl-acetophenon Diphenylethanone(Deoxybenzoin) alpha'-diphenylaceton 1,2-Diphenyl-ethanone Diphenylethanone Phenylacetophenone Valdecoxib Deoxy Benzoin ( Benzyl Phenyl Ketone Or 1,2-diphenyl-ethanon DEOXYBENZOIN Benzyl Phenyl Ketone > Benzoin,deoxy PHENYL BENZYL KETONE ALPHA-PHENYLACETOPHENONE

Description	2-Phenylacetophenone has broad-spectrum efflux pump inhibition activity. 2-Phenylacetophenone is a benzoin derivative used as a photoinitiator in vinyl polymerization[1].
Related Catalog	Research Areas >> Infection Signaling Pathways >> Others >> Others
In Vitro	2-Phenylacetophenone displays antibacterial activity against B. subtilis, M. smegmatis, and M. aurum with MICs of 500 µg/mL[1]. 2-Phenylacetophenone (1000 µg/mL) inhibits biofilm formation for M. smegmatis[1].
References	[1]. Hellewell L, et al. Chalcones, stilbenes and ketones have anti-infective properties via inhibition of bacterial drug-efflux and consequential synergism with antimicrobial agents. Access Microbiol. 2020 Feb 18;2(4):acmi000105.

Density	1.1±0.1 g/cm3
Boiling Point	320.6±11.0 °C at 760 mmHg
Melting Point	54-55 °C(lit.)
Molecular Formula	C₁₄H₁₂O
Molecular Weight	196.245
Flash Point	137.0±14.2 °C
Exact Mass	196.088821
PSA	17.07000
LogP	3.18
Vapour Pressure	0.0±0.7 mmHg at 25°C
Index of Refraction	1.584
Storage condition	2-8°C
Water Solubility	methanol: 0.1 g/mL, clear

CHEMICAL IDENTIFICATION

RTECS NUMBER :: AM9662500

CHEMICAL NAME :: Acetophenone, 2-phenyl-

CAS REGISTRY NUMBER :: 451-40-1

BEILSTEIN REFERENCE NO. :: 1072876

LAST UPDATED :: 199701

DATA ITEMS CITED :: 2

MOLECULAR FORMULA :: C14-H12-O

MOLECULAR WEIGHT :: 196.26

WISWESSER LINE NOTATION :: RV1R

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Intravenous

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 320 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: CSLNX* U.S. Army Armament Research & Development Command, Chemical Systems Laboratory, NIOSH Exchange Chemicals. (Aberdeen Proving Ground, MD 21010) Volume(issue)/page/year: NX#03836

Personal Protective Equipment	Eyeshields;Gloves;type N95 (US);type P1 (EN143) respirator filter
Hazard Codes	Xi
Safety Phrases	S22-S24/25
RIDADR	NONH for all modes of transport
WGK Germany	3
RTECS	AM9662500
HS Code	29143900

Precursor 10
134-81-6 103-80-0 71-43-2 1689-71-0
140-29-4 98-80-6 108-90-7 98-86-2
32368-19-7 93-55-0
DownStream 10
3755-83-7 3469-00-9 81585-68-4 586-91-4
3524-62-7 24242-77-1 613-42-3 93-89-0
350-92-5 495-18-1

HS Code	2914399090
Summary	2914399090. other aromatic ketones without other oxygen function. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:5.5%. General tariff:30.0%

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