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4-Chloro-3-hydroxybenzoic acid

CAS No.
34113-69-4
Chemical Name:
4-Chloro-3-hydroxybenzoic acid
Synonyms
TIMTEC-BB SBB008503;5-Carboxy-2-chlorophenol;4-chloro-3-hydroxybenzoicaci;4-CHLORO-3-HYDROXYBENZOIC ACID;Benzoic acid, 4-chloro-3-hydroxy-;4-Chloro-3-hydroxybenzoic Acid, 97+%;4-CHLORO-3-HYDROXYBENZOIC ACID ---PURITY 98%---
CBNumber:
CB4368988
Molecular Formula:
C7H5ClO3
Molecular Weight:
172.57
MDL Number:
MFCD00153892
MOL File:
34113-69-4.mol
MSDS File:
SDS
Last updated:2026-05-28 01:19:32

4-Chloro-3-hydroxybenzoic acid Properties

Melting point 219.5-220.5 °C
Boiling point 345.4±27.0 °C(Predicted)
Density 1.536±0.06 g/cm3(Predicted)
storage temp. Inert atmosphere,Room Temperature
solubility DMSO, Methanol
form Solid
pka 3.85±0.10(Predicted)
color Light Beige
InChI InChI=1S/C7H5ClO3/c8-5-2-1-4(7(10)11)3-6(5)9/h1-3,9H,(H,10,11)
InChIKey SCPUNJAMWFAYED-UHFFFAOYSA-N
SMILES C(O)(=O)C1=CC=C(Cl)C(O)=C1
CAS DataBase Reference 34113-69-4(CAS DataBase Reference)
NIST Chemistry Reference Benzoic acid, 4-chloro-3-hydroxy-(34113-69-4)
UNSPSC Code 12352106
NACRES NA.21

SAFETY

Risk and Safety Statements

Symbol(GHS)  Exclamation Mark (GHS07)
GHS07
Signal word  Warning
Hazard statements  H315-H319-H335
Precautionary statements  P261-P305+P351+P338
target organs Respiratory system
Hazard Codes  Xi
WGK Germany  WGK 3
Hazard Note  Irritant
HS Code  2918199890
Storage Class 11 - Combustible Solids
Hazard Classifications Acute Tox. 4 Oral
Aquatic Acute 1
Eye Irrit. 2
Skin Irrit. 2
STOT SE 3

4-Chloro-3-hydroxybenzoic acid price More Price(59)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Activate Scientific AS31248 4-Chloro-3-hydroxybenzoic acid 97% 34113-69-4 1g $24 2026-06-04 Buy
Activate Scientific AS31248 4-Chloro-3-hydroxybenzoic acid 97% 34113-69-4 5g $54 2026-06-04 Buy
Activate Scientific AS31248 4-Chloro-3-hydroxybenzoic acid 97% 34113-69-4 25g $137 2026-06-04 Buy
Activate Scientific AS31248 4-Chloro-3-hydroxybenzoic acid 97% 34113-69-4 100g $541 2026-06-04 Buy
Apolloscientific OR6115 4-Chloro-3-hydroxybenzoic acid 98% 34113-69-4 250mg $21 2026-06-04 Buy
Product number Packaging Price Buy
AS31248 1g $24 Buy
AS31248 5g $54 Buy
AS31248 25g $137 Buy
AS31248 100g $541 Buy
OR6115 250mg $21 Buy

4-Chloro-3-hydroxybenzoic acid Chemical Properties, Uses, Production

Uses

4-Chloro-3-hydroxy-Benzoic Acid acts as a potential inhibitor of influenza endonuclease used in the treatment of influenza. Also used in the synthesis of highly selective Tie-2 kinase inhibitors used in the treatment of tumors.

Synthesis

Benzoic acid, 4-chloro-3-methoxy-, 2-propen-1-yl ester

931409-94-8

4-Chloro-3-hydroxybenzoic acid

34113-69-4

General procedure for the synthesis of 4-chloro-3-hydroxybenzoic acid from compound (CAS: 931409-94-8): boron tribromide (1 M in dichloromethane, 31 mL, 31.504 mmol) was slowly added dropwise to a solution of compound 38 (3.56 g, 15.752 mmol) in dichloromethane (30 mL) under ice bath cooling conditions. The reaction mixture was stirred at 0°C to room temperature for 18 hours. Upon completion of the reaction, the reaction was quenched with 0.88 aqueous ammonia solution and stirring was continued for 90 minutes at room temperature. Subsequently, the reaction mixture was acidified to pH 1 by dropwise addition of 2N aqueous hydrochloric acid solution and then extracted with ether (2 x 50 mL). The organic layers were combined, dried over anhydrous sodium sulfate and concentrated under reduced pressure to afford 4-chloro-3-hydroxybenzoic acid as a light yellow solid in 90% yield (2.45 g). The product was characterized by 1H NMR (400 MHz, CD3OD): δ 7.36-7.38 (d, 1H), 7.44-7.47 (dd, 1H), 7.54-7.55 (d, 1H); LRMS APCI m/z 171 [M-H]-.

References

[1] Patent: WO2007/34325, 2007, A1. Location in patent: Page/Page column 53

931409-94-8
34113-69-4
Synthesis of 4-Chloro-3-hydroxybenzoic acid from Ethanamine, N-[(3,5-dichlorophenyl)methylene]-2,2-diethoxy-
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View Latest Price from 4-Chloro-3-hydroxybenzoic acid manufacturers

Image Update time Product Price Min. Order Purity Supply Ability Manufacturer
4-Chloro-3-hydroxybenzoic acid pictures 2020-02-01 4-Chloro-3-hydroxybenzoic acid
34113-69-4
$3.00 1KG 98% 100KG Career Henan Chemical Co

4-Chloro-3-hydroxybenzoic acid Spectrum

4-CHLORO-3-HYDROXYBENZOIC ACID 4-CHLORO-3-HYDROXYBENZOIC ACID ---PURITY 98%--- TIMTEC-BB SBB008503 5-Carboxy-2-chlorophenol 4-Chloro-3-hydroxybenzoic Acid, 97+% Benzoic acid, 4-chloro-3-hydroxy- 4-chloro-3-hydroxybenzoicaci 34113-69-4 1571-12-8 Aromatic Carboxylic Acids, Amides, Anilides, Anhydrides & Salts Carboxylic Acids Phenyls & Phenyl-Het Carboxylic Acids Phenyls & Phenyl-Het