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50-84-0

Name: 2,4-Dichlorobenzoic acid

CAS: 50-84-0

Molecular Formula: C7H3Cl2O2

Molecular Weight: 190.004

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50-84-0 - Names and Identifiers

Name2,4-Dichlorobenzoic acid
Synonyms2,4-DCBA
2,4-Dichlolrobenzoic Acid
2,4-dichlorobenzoate
CAS50-84-0
EINECS200-067-8
InChIInChI=1/C7H4Cl2O2/c8-4-1-2-5(7(10)11)6(9)3-4/h1-3H,(H,10,11)/p-1

50-84-0 - Physico-chemical Properties

Molecular FormulaC7H3Cl2O2
Molar Mass190.004
Melting Point160-164℃
Boling Point309.5°C at 760 mmHg
Flash Point141°C
Solubility0.36 g/L (15℃)
Vapor Presure0.000275mmHg at 25°C
Physical and Chemical PropertiesWhite to light yellow needle-like crystal or powder.
melting point 160 ℃
solubility: soluble in ethanol, ether, benzene, acetone, chloroform, 5% caustic soda solution, insoluble in water and heptane.
UseUsed as pharmaceutical, dye, pesticide intermediates

50-84-0 - Risk and Safety

Hazard SymbolsXi - Irritant
Irritant
Risk CodesR36/37/38 - Irritating to eyes, respiratory system and skin.
Safety DescriptionS22 - Do not breathe dust.
S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S37/39 - Wear suitable gloves and eye/face protection

50-84-0 - Nature

white to light yellow needle-like crystals or powder. Soluble in ethanol, ether, benzene, acetone, chloroform, 5% caustic soda solution, insoluble in water and heptane. Melting point 160 ℃, easy sublimation, no boiling point.

Last Update:2022-01-01 10:43:23

50-84-0 - Preparation Method

2, 4-aminotoluene is replaced by 2, 4-chlorotoluene in the presence of sulfuric acid and sodium nitrite by diazotization reaction and cuprous chloride, the latter is oxidized with potassium permanganate to obtain 2,4-= chlorobenzoic acid potassium salt, and then acidified with hydrochloric acid to obtain 2,4-chlorobenzoic acid. The reaction product is crystallized, washed and dried to obtain a finished product.

Last Update:2022-01-01 10:43:25

50-84-0 - Use

This product can be used as an intermediate of dye, bactericide, drug (antimalarial drug, non-mercury mud drug, etc.).

Last Update:2022-01-01 10:43:24
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Jiangsu Zhenfang Chemical CO.,LTD.(Suzhou Zhenfang Chemical Factory)
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Product Name: 2,4-Dichlorobenzoic acid
CAS : 50-84-0
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50-84-0
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