o-Chloroacetophenone

Modify Date: 2025-08-20 14:37:43

o-Chloroacetophenone Structure
o-Chloroacetophenone structure
 Common Name o-Chloroacetophenone
CAS Number 2142-68-9 Molecular Weight 154.594
Density 1.2±0.1 g/cm3 Boiling Point 195.5±13.0 °C at 760 mmHg
Molecular Formula C8H7ClO Melting Point 52-56ºC
MSDS Chinese USA Flash Point 89.6±11.0 °C
Symbol GHS07
GHS07		 Signal Word Warning

 Names

Name 1-(2-chlorophenyl)ethanone
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.2±0.1 g/cm3
Boiling Point 195.5±13.0 °C at 760 mmHg
Melting Point 52-56ºC
Molecular Formula C8H7ClO
Molecular Weight 154.594
Flash Point 89.6±11.0 °C
Exact Mass 154.018539
PSA 17.07000
LogP 2.09
Vapour Pressure 0.4±0.4 mmHg at 25°C
Index of Refraction 1.532

 Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
AM6310000
CHEMICAL NAME :
Acetophenone, 2'-chloro-
CAS REGISTRY NUMBER :
2142-68-9
BEILSTEIN REFERENCE NO. :
1858916
LAST UPDATED :
199701
DATA ITEMS CITED :
4
MOLECULAR FORMULA :
C8-H7-Cl-O
MOLECULAR WEIGHT :
154.60
WISWESSER LINE NOTATION :
GR BV1

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
1820 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
CroHP# Personal Communication from H.P. Crocker, Ultimate Holding Co.-Reckitt & Colman Ltd., London, UK, Sept. 2, 1980 Volume(issue)/page/year: 02SEPT1980
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
880 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
CroHP# Personal Communication from H.P. Crocker, Ultimate Holding Co.-Reckitt & Colman Ltd., London, UK, Sept. 2, 1980 Volume(issue)/page/year: 02SEPT1980 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - X7952 No. of Facilities: 7 (estimated) No. of Industries: 1 No. of Occupations: 1 No. of Employees: 28 (estimated)

 Safety Information

Symbol GHS07
GHS07
Signal Word Warning
Hazard Statements H302-H319-H335
Precautionary Statements P261-P305 + P351 + P338
Personal Protective Equipment Eyeshields;Faceshields;full-face respirator (US);Gloves;multi-purpose combination respirator cartridge (US);type ABEK (EN14387) respirator filter
Hazard Codes Xn:Harmful
Risk Phrases R22;R36/37/38
Safety Phrases S26-S36-S37/39-S45-S36/37/39-S28A
RIDADR UN 3416 6.1/PG 2
WGK Germany 3
RTECS AM6310000
Packaging Group II
Hazard Class 6.1
HS Code 2914509090

 Synthetic Route

 Customs

HS Code 2914700090
Summary HS: 2914700090 halogenated, sulphonated, nitrated or nitrosated derivatives of ketones and quinones, whether or not with other oxygen function Tax rebate rate:9.0% Supervision conditions:none VAT:17.0% MFN tariff:5.5% General tariff:30.0%

 Articles3

More Articles
[Saccharomyces cerevisiae B5 efficiently and stereoselectively reduces 2'-chloroacetophenone to R-2'-chloro-1-phenylethanol in the presence of 5% ethanol].

Sheng Wu Gong Cheng Xue Bao 19(2) , 206-11, (2003)

(R)-chlorprenaline, a selective activator of beta2 receptor and an effective drug for bronchitis and asthma, is industrially prepared from (R)-2'-chloro-1-phenyl-ethanol. In this communication, we des...

Spectral differentiation and gas chromatographic/mass spectrometric analysis of the lacrimators 2-chloroacetophenone and o-chlorobenzylidene malononitrile.

J. Forensic Sci. 31(2) , 658-65, (1986)

2-Chloroacetophenone (CN) and o-chlorobenzylidene malononitrile (CS) are the most common chemical agents used as lacrimators in the United States. There is a lack of complete spectral data on these co...

Improving the enantioselective bioreduction of aromatic ketones mediated by Aspergillus terreus and Rhizopus oryzae: the role of glycerol as a co-solvent. Andrade LH, et al.

Tetrahedron Asymmetry 20(13) , 1521-25, (2009)

 Synonyms

1-(2-Chlorophenyl)ethanone
Acetophenone,2'-chloro
2’-Chloroacetophenone
o-Chloroacetophonone
Ethanone, 1- (2-chlorophenyl)-
2′-Chloroacetophenone
o-Chloroacetophenone
acetophenone, 2'-chloro-
o-chlorophenyl methyl ketone
EINECS 218-397-6
2'-Chloroacetophenone
2‘-Chloroacetophenone
MFCD00000560
Ethanone, 1-(2-chlorophenyl)-
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