STH diethyl ether for hromatogr. (3 ml)
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Description
STH diethyl ether for hromatogr. (3 ml)
Diethyl ether (ethyl ether, sulphuric ether). On chemical properties — typical alifaticheskiyprosty ether:
- Colourless, transparent, very mobile, volatile liquid with peculiar smell and burning taste.
- Water solubility of 6,5% at 20 °C. Forms constant boiling mixture with water (t. kip. 34,15 °C; 98,74% of diethyl ether). Mixes up with alcohol, benzene, essential and fatty oils in all ratios.
- Easily ignites, including couples; in certain ratio with oxygen or air of couple of ether for anesthesia are explosive.
- Decays under the influence of light, heat, air and moisture with formation of the toxic aldehydes, peroxides and ketones irritating airways.
- The formed peroxides are unstable and explosive, they can be the cause of self - ignition of diethyl ether at storage and explosion at its distillation "dry"
On chemical properties diethyl ether possesses all properties characteristic of ethers, for example, forms unstable oxonium salts with strong acids:
Forms rather stable complex connections with Lewis acids: (C2H5)2O·BF3.
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STH diethyl ether for hromatogr. (3 ml)