4-(Chloromethyl)benzoic acid CAS 1642-81-5
Factory Supply 4-(Chloromethyl)benzoic acid CAS 1642-81-5 with Best Price
- Appearance: White powder
- Purity: 99. 0%min
- Stock: In stock
- Sample: Available
- Zhishang Chemical: 4-(Chloromethyl)benzoic acid Supplier & Manufacturer
4-(Chloromethyl)benzoic acid: The Complete Guide
4-(Chloromethyl)benzoic acid for Sale
|Chemical Name:||4-(Chloromethyl)benzoic acid|
|Other Name:||Benzoic acid, 4-(chloromethyl)-|
|Type:||Pharmaceutical intermediates; Flavors and fragrances|
What is 4-(Chloromethyl)benzoic acid?
Needle crystals. Melting point 205 ° C( 199-201 ° C). Soluble in ether, warm ethanol as well as warm water.
By p-xylene oxidation, chlorination derived. 1. Catalytic oxidation Include p-xylene and also cobalt naphthenate to the reaction pot, raise the temperature to 90 ° C, allow air, and also react at 110-115 ° C for 20 hrs. Trendy to area temperature, filter, clean the filter cake with p-xylene, and also completely dry to obtain p-toluic acid. 2. Chlorination Add chlorobenzene as well as p-toluic acid to the reaction pot, warm to 40 ° C, blow in nitrogen, and mix well. When the temperature rises to 60 ° C, the nitrogen gas is quit, and the chlorine gas is transformed, and the light is brightened at the same time. The temperature level reaches 110 ° C within 1 hour, keep it at 110-115 ° C and continue to pass chlorine for 8 hours, so that the quantity of chlorine passed exceeds the theoretical amount. After that stop the chlorine as well as pass the chlorine. The hydrogen chloride in the product is released. Quit nitrogen and also home heating, discharge at 90 ° C, area overnight, filter, clean the crystals with a percentage of chlorobenzene, wash with a big quantity of water, filter as well as dry to acquire the finished product.
4-(Chloromethyl)benzoic acid Uses
Used as medication and color intermediates.
4-(Chloromethyl)benzoic acid was used in the synthesis of dihydroxystilbene by-products.
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4-(Chloromethyl)benzoic acid Supplier and Manufacturer
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