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    Product Details / Taizhou Hongxing Chemical Co., Ltd.

    O-chlorobenzonitrile
    product name:

    O-chlorobenzonitrile

    Consulting Hotline: 15052883053

    Product introduction: After mixing o-chlorobenzoic acid, sulfamic acid and urea, it will melt when heated to about 140 ° C. Under stirring, it will react violently and release a large amount of gas. The temperature will automatically rise to 220-230 ° C. The reaction was performed for 2 hours, and then cooled to 15 ° C. and filtered. The obtained solid was washed with 3undefined ammonia water and water to neutrality, and dried to obtain a finished product.

    PRODUCT DETAILS

    H 4 CLN. O-chlorobenzonitrile belongs to pharmaceutical intermediates and dye intermediates, and its molecular formula is: C 7 H 4 CLN.

    Physical properties of o-chlorobenzonitrile:

    1, Content:> 99%;

    2, Moisture: ≤0.5%;

    3. Melting point: 43-46 ° C;

    4. White or yellow crystal;

    5. Packaging: 25kg / paper drum or woven bag.

    O-chlorobenzonitrile reacts with o-chlorobenzoic acid and urea:

    140℃左右的时候熔融,在搅拌之下会做剧烈的反应,并放出大量的气体,温度自动上升至220-230℃,反应2个小时,然后冷却至15℃一下过滤,所得的固体分别用3%氨水和水洗至中性,在经过干燥而得成品。 After mixing o-chlorobenzoic acid, sulfamic acid and urea , it will melt when heated to about 140 ° C. Under agitation, it will react violently and release a large amount of gas. The temperature will automatically rise to 220-230 ° C and react 2 Hours, then cooled to 15 ° C and filtered. The obtained solid was washed with 3% ammonia water and water to neutrality, and dried to obtain the finished product.

    Source: http://aitixa.com/product138803.html
    Release time: 2019/2/23 16:32:32
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