2-(p-Chlorophenyl)-3-methylbutyric Acid

Modify Date: 2025-08-27 11:18:22

2-(p-Chlorophenyl)-3-methylbutyric Acid Structure
2-(p-Chlorophenyl)-3-methylbutyric Acid structure
 Common Name 2-(p-Chlorophenyl)-3-methylbutyric Acid
CAS Number 2012-74-0 Molecular Weight 212.673
Density 1.2±0.1 g/cm3 Boiling Point 318.7±17.0 °C at 760 mmHg
Molecular Formula C11H13ClO2 Melting Point 87-91 °C(lit.)
MSDS Chinese USA Flash Point 146.5±20.9 °C
Symbol GHS07
GHS07		 Signal Word Warning

 Names

Name 2-(4-chlorophenyl)-3-methylbutyric acid
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.2±0.1 g/cm3
Boiling Point 318.7±17.0 °C at 760 mmHg
Melting Point 87-91 °C(lit.)
Molecular Formula C11H13ClO2
Molecular Weight 212.673
Flash Point 146.5±20.9 °C
Exact Mass 212.060410
PSA 37.30000
LogP 3.33
Vapour Pressure 0.0±0.7 mmHg at 25°C
Index of Refraction 1.538

 Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
ES8450000
CHEMICAL NAME :
Butyric acid, 2-(p-chlorophenyl)-3-methyl-
CAS REGISTRY NUMBER :
2012-74-0
LAST UPDATED :
199710
DATA ITEMS CITED :
5
MOLECULAR FORMULA :
C11-H13-Cl-O2
MOLECULAR WEIGHT :
212.69
WISWESSER LINE NOTATION :
QVYR DG&Y1&1

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intraperitoneal
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
>500 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
JAFCAU Journal of Agricultural and Food Chemistry. (American Chemical Soc., Distribution Office Dept. 223, POB 57136, West End Stn., Washington, DC 20037) V.1- 1953- Volume(issue)/page/year: 26,954,1978
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Unreported
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
339 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
FRPSAX Farmaco, Edizione Scientifica. (Casella Postale 227, 27100 Pavia, Italy) V.8-43 1953-88 For publisher information, see FRMCE8 Volume(issue)/page/year: 16,23,1961

 Safety Information

Symbol GHS07
GHS07
Signal Word Warning
Hazard Statements H315-H319-H335
Precautionary Statements P261-P305 + P351 + P338
Personal Protective Equipment dust mask type N95 (US);Eyeshields;Gloves
Hazard Codes Xi
Risk Phrases R36/37/38
Safety Phrases S26-S36
RIDADR NONH for all modes of transport
WGK Germany 3
RTECS ES8450000
HS Code 2916399090

 Synthetic Route

4-Chlorophenylacetic acid structure

4-Chlorophenyla...

CAS#:1878-66-6

2-Chloropropane structure

2-Chloropropane

CAS#:75-29-6

~89%

2-(p-Chlorophenyl)-3-methylbutyric Acid Structure

2-(p-Chlorophen...

CAS#:2012-74-0

Literature: Ihara Chemical Industry Co., Ltd. Patent: US4307034 A1, 1981 ;
fenvaleric aldehyde structure

fenvaleric aldehyde

CAS#:74408-48-3

~72%

2-(p-Chlorophenyl)-3-methylbutyric Acid Structure

2-(p-Chlorophen...

CAS#:2012-74-0

Literature: Luzzio, Frederick A.; Fitch, Richard W. Advanced Synthesis and Catalysis, 2000 , vol. 342, # 5 p. 498 - 501
2-(4-chlorophenyl)-3-methylbutyronitrile structure

2-(4-chlorophen...

CAS#:2012-81-9

~69%

2-(p-Chlorophenyl)-3-methylbutyric Acid Structure

2-(p-Chlorophen...

CAS#:2012-74-0

Literature: Volkov, Yu. P.; Kalinevich, V. M.; Trusova, E. I.; Bilevich, K. A.; Kryshtal', G. V.; Yanovskaya, L. Ya. Bulletin of the Academy of Sciences of the USSR, Division of Chemical Science (English Translation), 1986 , vol. 35, # 6 p. 1239 - 1242 Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, 1986 , # 6 p. 1365 - 1368
4-Chlorobenzyl cyanide structure

4-Chlorobenzyl ...

CAS#:140-53-4

~%

2-(p-Chlorophenyl)-3-methylbutyric Acid Structure

2-(p-Chlorophen...

CAS#:2012-74-0

Literature: Bulletin of the Academy of Sciences of the USSR, Division of Chemical Science (English Translation), , vol. 35, # 6 p. 1239 - 1242 Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, , # 6 p. 1365 - 1368
4-Chlorotoluene structure

4-Chlorotoluene

CAS#:106-43-4

~%

2-(p-Chlorophenyl)-3-methylbutyric Acid Structure

2-(p-Chlorophen...

CAS#:2012-74-0

Literature: Bulletin of the Academy of Sciences of the USSR, Division of Chemical Science (English Translation), , vol. 35, # 6 p. 1239 - 1242 Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, , # 6 p. 1365 - 1368
4-Chlorobenzyl bromide structure

4-Chlorobenzyl ...

CAS#:622-95-7

~%

2-(p-Chlorophenyl)-3-methylbutyric Acid Structure

2-(p-Chlorophen...

CAS#:2012-74-0

Literature: Bulletin of the Academy of Sciences of the USSR, Division of Chemical Science (English Translation), , vol. 35, # 6 p. 1239 - 1242 Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, , # 6 p. 1365 - 1368
(S)-1-(3-Pyridyl)ethanol structure

(S)-1-(3-Pyridy...

CAS#:5096-11-7

2-(4-Chlorphenyl)-3-methylbuttersaeureanhydrid structure

2-(4-Chlorpheny...

CAS#:51631-99-3

~%

2-(p-Chlorophenyl)-3-methylbutyric Acid Structure

2-(p-Chlorophen...

CAS#:2012-74-0

N/A structure

N/A

CAS#:88549-73-9

Detail
Literature: Angewandte Chemie, , vol. 96, # 2 p. 166 - 167
(R)-(+)-1-(4-Pyridyl)ethanol structure

(R)-(+)-1-(4-Py...

CAS#:27854-88-2

2-(4-Chlorphenyl)-3-methylbuttersaeureanhydrid structure

2-(4-Chlorpheny...

CAS#:51631-99-3

~%

2-(p-Chlorophenyl)-3-methylbutyric Acid Structure

2-(p-Chlorophen...

CAS#:2012-74-0

N/A structure

N/A

CAS#:88549-71-7

Detail
Literature: Angewandte Chemie, , vol. 96, # 2 p. 166 - 167
fenvalerate structure

fenvalerate

CAS#:51630-58-1

~%

2-(p-Chlorophenyl)-3-methylbutyric Acid Structure

2-(p-Chlorophen...

CAS#:2012-74-0

alpha-Hydroxy-3-phenoxybenzeneacetonitrile structure

alpha-Hydroxy-3...

CAS#:39515-47-4

Literature: Journal of Agricultural and Food Chemistry, , vol. 53, # 19 p. 7415 - 7420

 Customs

HS Code 2916399090
Summary 2916399090 other aromatic monocarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:30.0%

 Synonyms

2-(4-Chlorophenyl)-3-methylbutyric acid
fenvalerate acid
Benzeneacetic acid, 4-chloro-α-(1-methylethyl)-
MFCD00037763
4-Chloro-alpha-(1-Methylethyl)-Benzeneacetic Acid
2-(4'-chlorophenyl)-3-methylbutanoic acid
2-(p-Chlorophenyl)-3-methylbutyric Acid
2-(4-Chlorophenyl)-3-methylbutanoic acid
fenvaleric acid
2-(P-CHLOROPHENYL)-3-METHYLBUTYRIC ACID---WHITE CRYSTALS
Alpha-Isopropyl-4-Chlorophenylacetic Acid
2-(4-chlorophenyl)isovaleric acid
EINECS 217-934-1
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