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

Hot Sale Butynediol Usp - 3-chloropropyne colorless highly toxic flammable liquid – Haiyuan

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We insist over the principle of enhancement of 'High high quality, Efficiency, Sincerity and Down-to-earth working approach' to offer you with superb assistance of processing for E-Iodination Of Propargyl Alcohol, Butynediol Usp Monograph, E-Diiodination Of Propargyl Alcohol, The team of our company along with the use of cutting-edge technologies delivers impeccable top quality products supremely adored and appreciated by our shoppers worldwide.
Hot Sale Butynediol Usp - 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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Hot Sale Butynediol Usp - 3-chloropropyne colorless highly toxic flammable liquid – Haiyuan detail pictures

Hot Sale Butynediol Usp - 3-chloropropyne colorless highly toxic flammable liquid – Haiyuan detail pictures


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We love an incredibly fantastic standing amid our consumers for our superb item high quality, aggressive rate and also the finest assistance for Hot Sale Butynediol Usp - 3-chloropropyne colorless highly toxic flammable liquid – Haiyuan , The product will supply to all over the world, such as: Florida, Brisbane, Guatemala, At Present, our merchandise have been exported to more than sixty countries and different regions, such as Southeast Asia, America, Africa, Eastern Europe, Russia, Canada etc. We sincerely hope to establish wide contact with all potential customers both in China and the rest part of the world.
  • Wide range, good quality, reasonable prices and good service, advanced equipment, excellent talents and continuously strengthened technology forces,a nice business partner.
    5 Stars By Hilda from Detroit - 2018.02.08 16:45
    The factory workers have a good team spirit, so we received high quality products fast, in addition, the price is also appropriate, this is a very good and reliable Chinese manufacturers.
    5 Stars By Carol from Botswana - 2018.12.10 19:03
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