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4-chlorobenzoic aicd

Name: 4-Chlorobenzoic acid

CAS: 74-11-3

Molecular Formula: C7H5ClO2

Molecular Weight: 156.57

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4-chlorobenzoic aicd - Names and Identifiers

Name4-Chlorobenzoic acid
SynonymsPCBA
AKOS 92635
4-chlorobenzoate
AKOS BBS-00003713
p-Chlorbenzoic acid
RARECHEM AL BO 0054
4-Chlorobenzoic acid
P-Chlorobenzoic Acid
4-chlorobenzoic aicd
Indomethacin USP RC B
Para-chlorobenzoic Acid
Indomethacin EP Impurity A
Indometacin EP Impurity A
CAS74-11-3
EINECS200-805-9
InChIInChI=1/C7H5ClO2/c8-6-3-1-5(2-4-6)7(9)10/h1-4H,(H,9,10)/p-1
InChIKeyXRHGYUZYPHTUJZ-UHFFFAOYSA-N

4-chlorobenzoic aicd - Physico-chemical Properties

Molecular FormulaC7H5ClO2
Molar Mass156.57
Density1.540
Melting Point238-241°C(lit.)
Boling Point274-276 °C
Flash Point238 °C
Water Solubilitysoluble in hot water
Solubility Soluble in methanol, anhydrous ethanol and ether, insoluble in water, 95% ethanol and toluene
Vapor Presure0.00117mmHg at 25°C
AppearanceWhite solid
ColorWhite to yellow
Maximum wavelength(λmax)['284nm(EtOH)(lit.)']
Merck14,2125
BRN907196
pKa3.98(at 25℃)
PH4.3 (0.08g/l, H2O, 20℃)
Storage Conditionroom temp
StabilityStable. Combustible. Incompatible with bases, strong oxidizing agents.
SensitiveEasily absorbing moisture
Refractive Index1.5812 (estimate)
MDLMFCD00002531
Physical and Chemical PropertiesMelting point 240-243°C
boiling point 274-276°C (subl.)
flash point 238°C
water-soluble solution in hot water
UseFor pharmaceuticals, pesticides and dyes and intermediates in organic synthesis

4-chlorobenzoic aicd - Risk and Safety

Hazard SymbolsXn - Harmful
Harmful
Risk CodesR22 - Harmful if swallowed
R36/37/38 - Irritating to eyes, respiratory system and skin.
Safety DescriptionS26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S36 - Wear suitable protective clothing.
S37/39 - Wear suitable gloves and eye/face protection
WGK Germany2
RTECSDG4976010
TSCAYes
HS Code29163900
ToxicityLD50 orally in Rabbit: 1170 mg/kg

4-chlorobenzoic aicd - Upstream Downstream Industry

Downstream Productsbumetanide

4-chlorobenzoic aicd - Introduction

. Median lethal dose (rat, abdominal cavity) 1000mg/kg. It's irritating.
Last Update：2022-10-16 17:28:14

4-chlorobenzoic aicd - Reference Information

NIST chemical information information provided by: webbook.nist.gov (external link)
EPA chemical substance information information provided by: ofmpeb.epa.gov (external link)
Use p-chlorobenzoic acid is an intermediate of the fungicide dimethomorph, the rodenticide, the rodenticide, it is also an intermediate for dyes and pharmaceuticals.
used as pharmaceuticals, pesticides and dyes and organic synthesis intermediates
used in organic synthesis of dyes, pesticides, pharmaceutical intermediates.
organic microanalysis of standard samples for the determination of carbon, hydrogen and chlorine.
production method obtained by oxidation of p-chlorotoluene: a potassium permanganate solution is added in portions to a mixture of p-chlorotoluene and water. The reaction was refluxed for 5-6h under stirring, acidified to pH 2 with hydrochloric acid, filtered to obtain a crude product, and recrystallized from ethanol to obtain a finished product.
The preparation method is to add the potassium permanganate solution to the mixture of p-chlorotoluene and water, reflux for 5~6h under stirring at 75~90 ℃, and acidify with hydrochloric acid to pH = 2 after reaction, the crude product was filtered and recrystallized from ethanol to obtain the finished product.
category toxic substances
toxicity grade poisoning
Acute toxicity oral-rat LD50: 1170 mg/kg; Oral-mouse LD50: 1170 mg/kg
flammability hazard characteristics toxic chloride fumes from thermal decomposition
storage and transportation characteristics low temperature ventilation and drying
extinguishing agent water, carbon dioxide, foam, dry powder
spontaneous combustion temperature 545°C
toxic substance data information provided by: pubchem.ncbi.nlm.nih.gov (external link)
Last Update：2024-04-10 22:29:15

4-chlorobenzoic aicd structural fomula

4-chlorobenzoic aicd
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4-chlorobenzoic aicd
Downstream Products for 4-chlorobenzoic aicd
bumetanide
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