4-Chlorosalicylic acid

Modify Date: 2025-08-22 13:20:32

4-Chlorosalicylic acid Structure
4-Chlorosalicylic acid structure
Common Name 4-Chlorosalicylic acid
CAS Number 5106-98-9 Molecular Weight 172.566
Density 1.5±0.1 g/cm3 Boiling Point 321.1±27.0 °C at 760 mmHg
Molecular Formula C7H5ClO3 Melting Point 210-212 °C(lit.)
MSDS Chinese USA Flash Point 148.0±23.7 °C
Symbol GHS07
GHS07
Signal Word Warning

 Use of 4-Chlorosalicylic acid


4-Chlorosalicylic acid is a pharmaceutical intermediate. Inhibits monophenolase and diphenolase activity with IC50s of 1.89 mM and 1.10 mM. Potent antimicrobial activity. Against E. coli with the MIC of 250 μg/mL and with the MBC of 500 μg/mL.

 Names

Name 4-Chlorosalicylic acid
Synonym More Synonyms

 4-Chlorosalicylic acid Biological Activity

Description 4-Chlorosalicylic acid is a pharmaceutical intermediate. Inhibits monophenolase and diphenolase activity with IC50s of 1.89 mM and 1.10 mM. Potent antimicrobial activity. Against E. coli with the MIC of 250 μg/mL and with the MBC of 500 μg/mL.
Related Catalog
Target

IC50: 1.89 mM (monophenolase), 1.10 mM (diphenolase)[1]

In Vitro 4-chlorosalicylic acid could inhibit both the diphenolase activity and the monophenolase activity of mushroom tyrosinase. 4-chlorosalicylic acid has broad-spectrum antimicrobial activity which could inhibits Gram-positive and Gram-negative bacteria and fungi[1].
References

[1]. Han P, et al. Inhibitory effects of 4-chlorosalicylic acid on mushroom tyrosinase and its antimicrobial activities. 107 (2), 797-803, 2008

 Chemical & Physical Properties

Density 1.5±0.1 g/cm3
Boiling Point 321.1±27.0 °C at 760 mmHg
Melting Point 210-212 °C(lit.)
Molecular Formula C7H5ClO3
Molecular Weight 172.566
Flash Point 148.0±23.7 °C
Exact Mass 171.992722
PSA 57.53000
LogP 3.14
Vapour Pressure 0.0±0.7 mmHg at 25°C
Index of Refraction 1.630
Water Solubility slightly soluble

 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 R22;R36/37/38
Safety Phrases S26-S37/39
RIDADR NONH for all modes of transport
WGK Germany 3
HS Code 2918219000

 Synthetic Route

 Customs

HS Code 2918290000
Summary HS: 2918290000 other carboxylic acids with phenol function but without other oxygen function, their anhydrides, halides, peroxides, peroxyacids and their derivatives Tax rebate rate:9.0% Supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward) VAT:17.0% MFN tariff:6.5% General tariff:30.0%

 Articles8

More Articles
New bacterial pathway for 4- and 5-chlorosalicylate degradation via 4-chlorocatechol and maleylacetate in Pseudomonas sp. strain MT1.

J. Bacteriol. 185(23) , 6790-800, (2003)

Pseudomonas sp. strain MT1 is capable of degrading 4- and 5-chlorosalicylates via 4-chlorocatechol, 3-chloromuconate, and maleylacetate by a novel pathway. 3-Chloromuconate is transformed by muconate ...

Two angular dioxygenases contribute to the metabolic versatility of dibenzofuran-degrading Rhodococcus sp. strain HA01.

Appl. Environ. Microbiol. 74(12) , 3812-22, (2008)

Rhodococcus sp. strain HA01, isolated through its ability to utilize dibenzofuran (DBF) as the sole carbon and energy source, was also capable, albeit with low activity, of transforming dibenzo-p-diox...

Consortia modulation of the stress response: proteomic analysis of single strain versus mixed culture.

Environ. Microbiol. 12(9) , 2436-49, (2010)

The high complexity of naturally occurring microbial communities is the major drawback limiting the study of these important biological systems. In this study, a comparison between pure cultures of Ps...

 Synonyms

4-Chloro Salicylic Acid
4-Chloro-2-Hydroxy Benzoic Acid
MFCD00002449
Benzoic acid, 4-chloro-2-hydroxy-
4-Chlorosalicylic Acid
4-Chloro-2-hydroxybenzoic acid
EINECS 225-829-7
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