4'-Chloroacetophenone

Description

4'-Chloroacetophenone · CAS 99-91-2 · C8H7ClO. UNII ZV4A71K303. Boiling Point: 237 °C; Melting Point: 20-21 °C; Density: 1.1922 @ 20 °C/4 °C.

Identification

CAS Registry Number	99-91-2
PubChem CID	7467
Molecular formula	C8H7ClO
IUPAC name	1-(4-chlorophenyl)ethanone
UNII (FDA)	ZV4A71K303

Computed Descriptors

Molecular Weight	154.59
XLogP3	2.3
Hydrogen Bond Donor Count	0
Hydrogen Bond Acceptor Count	1
Rotatable Bond Count	1
Exact Mass	154.0185425
Monoisotopic Mass	154.0185425
Topological Polar Surface Area	17.1
Heavy Atom Count	10
Formal Charge	0

Physical & Chemical Properties

Boiling Point	237 °C
Melting Point	20-21 °C
Density	1.1922 @ 20 °C/4 °C
Vapor Pressure	0.12 [mmHg]
LogP	2.35

Physical description & handling notes

• Liquid; [Merck Index] Colorless liquid; [MSDSonline]
• LIQUID
• PRACTICALLY INSOL IN WATER; MISCIBLE WITH ALC, ETHER
• log Kow= 2.32 (experimental)
• INDEX OF REFRACTION: 1.5550 @ 20 °C/D

Regulatory Status

GHS notification summary	0.5% (1 / 216)

GHS Hazard Classification

GHS notification summary	0.5% (1 / 216)
Reported hazard statements	H302 (86.1%), H315 (24.5%), H318 (18.5%), H319 (81%), H330 (23.6%), H335 (87%), H412 (12.5%), H227

Documented Uses

• Used as a chemical intermediate for pharmaceuticals; [HSDB]
• REACTION OF CHLOROBENZENE AND ACETIC ANHYDRIDE CATALYZED BY ALUMINUM CHLORIDE, AND SEPARATION OF ISOMERS.
• (1975) PROBABLY GREATER THAN 4.54X10+5 G
• Ethanone, 1-(4-chlorophenyl)-: ACTIVE
• P-CHLOROACETOPHENONE YIELDS IN RABBITS 1-(P-CHLOROPHENYL)ETHANOL. /FROM TABLE/

Synonyms

4'-Chloroacetophenone; 99-91-2; 1-(4-Chlorophenyl)ethanone; 4-Chloroacetophenone; P-CHLOROACETOPHENONE; Ethanone, 1-(4-chlorophenyl)-; 1-(4-Chlorophenyl)Ethan-1-One; USAF DO-1; 1-(4-Chlorophenyl)-ethanone; Methyl p-chlorophenyl ketone; p-Chlorophenyl methyl ketone; ZV4A71K303; NSC-6115; DTXSID1052668; RefChem:169294; DTXCID2031241

Frequently Asked Questions

What are the CAS number and molecular formula of 4'-Chloroacetophenone?

CAS 99-91-2; molecular formula C8H7ClO; molecular weight — g/mol.

What other names is 4'-Chloroacetophenone known by?

4'-Chloroacetophenone, 99-91-2, 1-(4-Chlorophenyl)ethanone, 4-Chloroacetophenone, P-CHLOROACETOPHENONE, Ethanone, 1-(4-chlorophenyl)-.

Is 4'-Chloroacetophenone classified as hazardous?

0.5% of GHS notifications report no hazard classification (1 of 216).

What are the key physical properties of 4'-Chloroacetophenone?

Boiling Point: 237 °C; Melting Point: 20-21 °C; Density: 1.1922 @ 20 °C/4 °C; Vapor Pressure: 0.12 [mmHg].

Facts on this page are taken from PubChem (US National Library of Medicine) and Wikidata. Grade-specific data — assay, moisture, particle size, packaging, shelf life — is issued per batch on the COA and is not published here.