Chemistry Forum

This synthetic process of 2-Decanone (CAS NO. 693-54-9) occurs in a flask. A 100 mL, three-necked, round-bottomed flask is fitted with a magnetic stirrer and a pressure-equalizing dropping funnel containing 1-decene (4.2 g, 30 mmol). The flask is charged with a mixture of palladium chloride (0.53 g,...

Commercial samples of 2,4,6-Trimethylpyridine (CAS NO. 108-75-8) may be grossly impure. The likely contaminants include 3,5-dimethylpyridine, 2,3,6-trimethylpyridine and water. Brown, Johnson and Podall fractionally distd 2,4,6-trimethylpyridine under reduced pressure through a 40 cm Vigreux column ...

Melamine characters for pure white single inclined arris crystals, tasteless, soluble in water, soluble in cold water, very slightly soluble in hot ethanol, insoluble in ether, benzene and carbon tetrachloride, soluble in methanol and formaldehyde, acetic acid, hot glycol, glycerin, pyridine etc. lo...

Now the era of rapid industrial growth of times, with the development of industry, will bring on the pollution also nots allow to ignore, such as chemical industry pollution, but we also take some corresponding effective protective measures referred to as the "three wastes"; 1. Waste gas p...

Everyone has the experience of injury, will have skin abrasions experience, do you remember the time in summer if accidentally put on the skin to hurt, if processes improper don't long, skin of nozzle will work pus, canker, This time the adults will often take a blue or red potion to us on besmear, ...

Molybdenum trioxide as catalyst in oil can also can be used to produce metal molybdenum, enamels pigments and drugs also can be used as efficient Smoke suppression agent, can say the usefulness of molybdenum trioxide are diverse done. Molybdenum trioxide, also called molybdenum anhydride colorless o...

Chemical common chemical raw materials tetrabromobisphenol ethane can also be called four brominated acetylene. colorless or yellowish heavy, high refractive index liquid. Have camphor and iodoform the smelling. 2.9656 density. The boiling point 243.5 ℃. Melting point 0 ℃. refrac...

Hydrochloric acid in life and industrial in the role We and the stomach inside animals have a special glands, can eat to go down the salt becomes hydrochloric acid, it can keep activation is gastric juice pepsin needed the most suitable PH value, it still can make salt proteins in degeneration and i...

Bisphenol A belong to propane in one of, is an important raw material for chemical, in many products contain bisphenol A, such as: mineral water bottles, medical devices to and food packaging inside contain of bisphenol A component; Bisphenol A is the world's most widely used one of industrial compo...

Organic contains the fatty acids, fatty acid in and contains linoleic acid, linoleic acid glyceride form composing and is fat-soluble oil, cottonseed oil, such bodied oil, half bodied oil main ingredient. Accounted for walnut oil, cottonseed oil, sunflower seed oil, sesame oil of total fatty acids, ...

In the actual application of some people usually put chloroform compared with ether, because they in anesthetic fields have significant effect; Except in the medical field application, chloroform still applied in other industries, as organic synthetic raw materials, mainly used to produce freon, in ...

Chlorinated manganese and could be called chlorinated and manganese, and according to its whether it contains gesso can be divided into: water-free manganese and four water chlorinated manganese and, based on its gesso number can be divided into: water chlorinated water chlorinated manganese mangane...

Our daily life food among use frequently edible fragrance, flavor role simple speaking is to make the food looks more delicious, let us eat up the more fragrant, more can meet our appetite, Leaf alcohol is also a kind of spices genera of synthetic spices shows colorless liquid or yellowish oily shap...

In some food in some jelly, candy will join Titanium dioxide, some people worry that eat the later to healthy body would cause a problem; Actually Titanium dioxide it is a kind of metal oxide often as food additives as pigment to use, itself is non-toxic titanium dioxide "world recognized food ...

Intravenous magnesium sulfate, and muscle convulsion, mainly used for resistance to inject it can cause hemal dilate, causing blood pressure to drop, because the central inhibition and magnesium sulfate skeletal muscle relaxation, clinical effect, anti-hypertensie mainly used to alleviate preeclamps...