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Home > Products > Organic Raw Material > CAS NO 123-91-1 Diethylene oxide

CAS NO 123-91-1 Diethylene oxide
CAS NO 123-91-1 Diethylene oxide

CAS NO 123-91-1 Diethylene oxide

Payment Type: L/C,T/T,Money Gram,Western Union
Incoterm: FOB,CIF
Min. Order: 1 Kilogram
Delivery Time: 3 Days

Basic Info

    Model No.: CAS NO 123-91-1

    Type: Pharmaceutical Intermediates

    Appearance: Liquid

    Quality: Refined

    Colour: Colorless

    CAS:: 123-91-1

    Name:: Diethylene Oxide

    MF:: C4H8O2

    MW:: 88.10510

    MP:: 12 °C

    Density:: 1.500 G/mL At 25 °C

    Bp:: 101 °C

    FP:: 54 °F

Additional Info

    Packaging:  in 25kg drum

    Productivity: 10000kg per month

    Brand: zhishang

    Transportation: Ocean,Land,Air

    Place of Origin: Shandong, China (Mainland)

    Supply Ability: in stock

    Certificate: ISO CE

    HS Code: 123-91-1

    Port: Shanghai,Tianjin,Qingdao

Product Description

CAS NO 123-91-1 Diethylene oxide
Production methods: The main impurities are acetaldehyde, 2-methyl-1,3-dipentane, acetal, peroxide and water. Impurities when the content is not small, sodium metal can be added back to 6 to 12 hours after distillation directly. Containing a large amount of acetal, the need for hydrolysis removed. 27 mL of concentrated hydrochloric acid and 200 mL of water were added to 2 L of dioxane and refluxed for 12 hours. During the refluxing process, nitrogen gas is diffused to remove the formed acetaldehyde. After cooling, solid potassium hydroxide is added until no longer dissolves. Points to the water layer, and then add potassium hydroxide and dried for 24 hours. The initial dry dioxane plus sodium metal reflux 6 to 12 hours, and then in the presence of metallic sodium distillation. Peroxide is removed the same as ether. The crushed sodium hydroxide is added to industrial dioxane to remove acidic substances and moisture. Filter to remove the solid material after distillation, which was pure dioxane.
1. Ethylene glycol method derived from the dehydration of sulfuric acid catalysis, the reaction is as follows:
2. Ethylene oxide directly obtained by dimerization, the reaction is as follows: The dimerization reaction carried out in the presence of an acidic catalyst, the catalyst can be sodium bisulfate, sulfuric acid and boron trifluoride and so on. When industrial-grade dioxane needs to be purified as pure product, powdered sodium hydroxide may be added to dioxane to remove the acidic substances and moisture, and the solid product is filtered to obtain finished product by distillation. ...
Uses: It is mainly used as extractant in pharmaceutical industry and as stabilizer in printing ink. And as a metal surface treatment agent, but also for cosmetics, spices manufacturing, electroplating and so on.


CAS NO 123-91-1 Diethylene oxide S

CAS no 709031-28-7 Drum 7


Product expansion
1> Cosmetic Raw Materials: Cosmetics is a variety of raw materials through a reasonable deployment of processing from the compound mixture. Cosmetics with a wide range of raw materials, different performance. According to the Raw Material properties and uses of cosmetics, can be divided into matrix materials and auxiliary raw materials in two categories. The former is a class of cosmetics in the main raw materials, cosmetics in the possession of a large proportion of the cosmetics play a major role in the role of the material. The latter is the formation of cosmetics, stability or to give color, smell and other characteristics of the role of these substances in the cosmetic formula is not used, but it is extremely important. Cosmetics are natural, synthetic or extracted from the role of different substances as raw materials, by heating, mixing and emulsification and other production processes processed from the chemical mixture.
2> Active Pharmaceutical Ingredients(API): API refers to the raw materials in the production of various types of preparations, which is the active ingredient in powder,crystal and paste for medicine use through chemical synthesis,plant extract, and preparations of biotechnology institute.It is one substance or mixture during the medicine making period, it can not be taken directly by patients.
3> Fragrance And Spices: Spice is a substance that can be scented by smelling or scented by taste, and is the raw material for the preparation of the fragrance. Spices are an important part of fine chemicals, it is composed of natural spices, synthetic spices and single fragrance.
4> Organic Raw Material: Intermediates are also known as organic intermediates. The use of coal tar or petroleum products as raw materials to produce dyes, pesticides, pharmaceuticals, resins, Additives, and other intermediates.
5> Chemicals Used In Paints: Paint, the traditional Chinese name is paint. So-called coating is coated on the surface of the object that be protected or be adornment, and with the continuous film coating to form strong adhesion, usually in resin, or oil, or emulsion is given priority to, add or not add pigment, filler, add the corresponding additives, organic solvents or water preparation of viscous liquid.






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