4-Chlorobenzoic acid , Analysis standard product, 99.8% , 74-11-3

Synonym(s):
4-Chlorobenzoic acid

CAS NO.：74-11-3

Empirical Formula: C7H5ClO2

Molecular Weight: 156.57

MDL number: MFCD00002531

EINECS: 200-805-9

PRODUCT Properties

• Melting point: 238-241 °C(lit.)
• Boiling point: 274-276 °C
• Density: 1.540
• refractive index: 1.5812 (estimate)
• Flash point: 238 °C
• storage temp.: room temp
• solubility: methanol: soluble1%, clear, colorless to faintly yellow
• pka: 3.98(at 25℃)
• form: Crystalline Powder
• color: White to yellow
• PH: 4.3 (0.08g/l, H2O, 20℃)
• Water Solubility: soluble in hot water
• λmax: 284nm(EtOH)(lit.)
• Merck: 14,2125
• BRN: 907196
• Stability: Stable. Combustible. Incompatible with bases, strong oxidizing agents.
• InChIKey: XRHGYUZYPHTUJZ-UHFFFAOYSA-N
• LogP: 2.650
• CAS DataBase Reference: 74-11-3(CAS DataBase Reference)
• NIST Chemistry Reference: Benzoic acid, 4-chloro-(74-11-3)
• EPA Substance Registry System: p-Chlorobenzoic acid (74-11-3)

Description and Uses

4-Chlorobenzoic acid is a benzoic acid analogue that showed antifungal activity against strains of Aspergillus flavus, Aspergillus fumigatus and Aspergillus terreus, causative agents of human aspergillosis, in in vitro bioas says. It is used as a preservative.
P-chlorobenzoic acid is the intermediate of fungicide dimethomorph, rodenticide Warfarin, Coumatetralyl and insecticide flumethrin, and also the intermediate of dye and medicine.

Safety

• Symbol(GHS): GHS07
• Signal word: Warning
• Hazard statements: H302
• Precautionary statements: P264-P270-P301+P312-P501
• Hazard Codes: Xn
• Risk Statements: 22-36/37/38
• Safety Statements: 26-36-37/39
• WGK Germany: 2
• RTECS: DG4976010
• Autoignition Temperature: 545 °C
• TSCA: Yes
• HS Code: 29163900
• Hazardous Substances Data: 74-11-3(Hazardous Substances Data)
• Toxicity: LD50 orally in Rabbit: 1170 mg/kg