4-Isopropylbenzoic acid

Modify Date: 2025-08-25 11:23:55

4-Isopropylbenzoic acid Structure
4-Isopropylbenzoic acid structure
Common Name 4-Isopropylbenzoic acid
CAS Number 536-66-3 Molecular Weight 164.201
Density 1.1±0.1 g/cm3 Boiling Point 271.8±19.0 °C at 760 mmHg
Molecular Formula C10H12O2 Melting Point 117-120 °C(lit.)
MSDS Chinese USA Flash Point 128.1±16.2 °C
Symbol GHS07
GHS07
Signal Word Warning

 Use of 4-Isopropylbenzoic acid


4-Isopropylbenzoic acid, an aromatic monoterpenoid, is isolated from the stem bark of Bridelia retusa. 4-Isopropylbenzoic acid exhibits antifungal activities. 4-Isopropylbenzoic acid is also a reversible and uncompetitive inhibitor of mushroom tyrosinase[1][2].

 Names

Name p-cumic acid
Synonym More Synonyms

 4-Isopropylbenzoic acid Biological Activity

Description 4-Isopropylbenzoic acid, an aromatic monoterpenoid, is isolated from the stem bark of Bridelia retusa. 4-Isopropylbenzoic acid exhibits antifungal activities. 4-Isopropylbenzoic acid is also a reversible and uncompetitive inhibitor of mushroom tyrosinase[1][2].
Related Catalog
References

[1]. Jayasinghe L, et, al. Antifungal constituents of the stem bark of Bridelia retusa. Phytochemistry. 2003 Feb;62(4):637-41.

[2]. Huang XH, et, al. Inhibition of the activity of mushroom tyrosinase by alkylbenzoic acids. Food Chemistry. 2006 Jan; 94(1): 1-6.

 Chemical & Physical Properties

Density 1.1±0.1 g/cm3
Boiling Point 271.8±19.0 °C at 760 mmHg
Melting Point 117-120 °C(lit.)
Molecular Formula C10H12O2
Molecular Weight 164.201
Flash Point 128.1±16.2 °C
Exact Mass 164.083725
PSA 37.30000
LogP 3.23
Vapour Pressure 0.0±0.6 mmHg at 25°C
Index of Refraction 1.535
Water Solubility sparingly soluble

 Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
DH3850500
CHEMICAL NAME :
Benzoic acid, 4-(1-methylethyl)-
CAS REGISTRY NUMBER :
536-66-3
BEILSTEIN REFERENCE NO. :
1907514
LAST UPDATED :
199701
DATA ITEMS CITED :
2
MOLECULAR FORMULA :
C10-H12-O2
MOLECULAR WEIGHT :
164.22

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
LD - Lethal dose
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 :
CBCCT* "Summary Tables of Biological Tests," National Research Council Chemical-Biological Coordination Center. (National Academy of Science Library, 2101 Constitution Ave., NW, Washington, DC 20418) Volume(issue)/page/year: 6,215,1954

 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 Xn:Harmful
Risk Phrases R20/21/22;R36/37/38
Safety Phrases S26-S36-S36/37/39
RIDADR NONH for all modes of transport
WGK Germany 3
RTECS DH3850500
HS Code 2916399090

 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%

 Articles20

More Articles
3D-QSAR and molecular docking studies of benzaldehyde thiosemicarbazone, benzaldehyde, benzoic acid, and their derivatives as phenoloxidase inhibitors.

Bioorg. Med. Chem. 15 , 2006-15, (2007)

Phenoloxidase (PO), also known as tyrosinase, is a key enzyme in insect development, responsible for catalyzing the hydroxylation of tyrosine into o-diphenols and the oxidation of o-diphenols into o-q...

Anaerobic activation of p-cymene in denitrifying betaproteobacteria: methyl group hydroxylation versus addition to fumarate.

Appl. Environ. Microbiol. 80(24) , 7592-603, (2014)

The betaproteobacteria "Aromatoleum aromaticum" pCyN1 and "Thauera" sp. strain pCyN2 anaerobically degrade the plant-derived aromatic hydrocarbon p-cymene (4-isopropyltoluene) under nitrate-reducing c...

Bacterial metabolism of side chain fluorinated aromatics: cometabolism of 4-trifluoromethyl(TFM)-benzoate by 4-isopropylbenzoate grown Pseudomonas putida JT strains.

Arch. Microbiol. 149(3) , 198-206, (1988)

Enzymes of the p-cymene pathway in Pseudomonas putida strains cometabolized the intermediate analogue 4-trifluoromethyl(TFM)benzoate. Three products, 4-TFM-2,3-dihydro-2,3-dihydroxybenzoate, 4-TFM-2,3...

 Synonyms

p-cumic acid
EINECS 208-642-5
cumic acid
Benzoic acid, 4-(1-methylethyl)-
4-propan-2-ylbenzoic acid
4-Isopropylbenzoic acid
p-Isopropylbenzoic acid
CuMinic Acid
MFCD00002564
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