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Specializing in the production of propargyl alcohol, 1,4 butynediol and 3-chloropropyne

Super Lowest Price Fine Chemicals - 3-chloropropyne colorless highly toxic flammable liquid – Haiyuan

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It truly is a great way to improve our merchandise and repair. Our mission should be to create imaginative products to prospects with a excellent knowledge for 1,4-Butynediol Solid, Propargyl Alcohol Base Or Acid, E-Diiodination Of Propargyl Alcohol, We never stop improving our technique and quality to keep up with the development trend of this industry and meet your satisfaction well. If you are interested in our products, please contact us freely.
Super Lowest Price Fine Chemicals - 3-chloropropyne colorless highly toxic flammable liquid – Haiyuan Detail:

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Preparation method: It is obtained by reacting propargyl alcohol with phosphorus trichloride. First, fire oil and phosphorus trichloride are added into the dry reaction tank, and the mixture of propargyl alcohol and pyridine is added dropwise below 20 ℃. After adding, it is heated to reflux. After reaction for 4 hours, it is added into ice water to separate the water layer. The oil layer is added with sodium carbonate water window to ph=5-6 to separate the water layer, and then washed, dried and distilled under normal pressure to collect 52-60 ℃ fractions to obtain the finished product.

Storage: store in a cool and ventilated warehouse. Keep away from fire and heat source. Protect from direct sunlight and keep containers sealed. Explosion proof lighting and ventilation facilities shall be adopted. It is forbidden to use mechanical equipment and tools that are easy to produce sparks. The storage area shall be equipped with leakage emergency treatment equipment and appropriate receiving materials.

Purpose: It is used in the manufacture of medicine youjiangning, soil fumigant, etc. It is also a modifier for engineering plastics. Its trisodium salt is an excellent heat stabilizer for PVC, and its esters are also important additives for polymers.

The chlorpropargyne production process adopted by our company is the production of chlorpropargyne by propargyl alcohol and thionyl chloride under the action of DMF. This method has simple steps, the one-way conversion rate of propargyl alcohol is 100%, and the DMF keeps the circulation without loss, without external supplement, with short process and less equipment. At the same time, it realizes continuous production. It is the first chemical process for continuous production of chlorpropargyne in China


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Super Lowest Price Fine Chemicals - 3-chloropropyne colorless highly toxic flammable liquid – Haiyuan detail pictures

Super Lowest Price Fine Chemicals - 3-chloropropyne colorless highly toxic flammable liquid – Haiyuan detail pictures


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  • It is not easy to find such a professional and responsible provider in today's time. Hope that we can maintain long-term cooperation.
    5 Stars By Janet from UK - 2018.11.02 11:11
    This supplier stick to the principle of "Quality first, Honesty as base", it is absolutely to be trust.
    5 Stars By Alex from Tajikistan - 2018.06.26 19:27
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