Search found 7 matches

by jingsong
Sat Sep 03, 2011 9:35 pm
Forum: Other Chemical Engineering issues
Topic: Basic information of ethanol
Replies: 0
Views: 1681

Basic information of ethanol

Ethanol, also called ethyl alcohol, pure alcohol, grain alcohol, or drinking alcohol, is a volatile, flammable, colorless liquid. It is a psychoactive drug and one of the oldest recreational drugs. Best known as the type of alcohol found in alcoholic beverages, it is also used in thermometers, as a ...
by jingsong
Sat Sep 03, 2011 9:17 pm
Forum: Other Chemical Engineering issues
Topic: Hisrory of ethanol
Replies: 0
Views: 1598

Hisrory of ethanol

Ethanol has been used by humans since prehistory as the intoxicating ingredient of alcoholic beverages. Dried residue on 9,000-year-old pottery found in China imply that Neolithic people consumed alcoholic beverages. Although distillation was well known by the early Greeks and Arabs, the first recor...
by jingsong
Mon Aug 22, 2011 8:12 pm
Forum: Other Chemical Engineering issues
Topic: Basic information of 1,4-Dimethylbenzene
Replies: 0
Views: 1703

Basic information of 1,4-Dimethylbenzene

The 1,4-Dimethylbenzene, with the CAS registry number 106-42-3, is also known as 1,4-Xylene; 4-methyltoluene and p-Dimethylbenzene. This chemical's molecular formula is C8H10 and molecular weight is 106.17. p-Xylene is an aromatic hydrocarbon, based on benzene with two methyl substituents. The
by jingsong
Mon Jul 25, 2011 11:02 am
Forum: Other Chemical Engineering issues
Topic: Chemical
Replies: 0
Views: 1666

Chemical

Styrene, an organic compound with the chemical formula C6H5CH=CH2, is also known as vinyl benzene. This derivative of benzene is a colorless oily liquid that evaporates easily and has a sweet smell, although high concentrations confer a less pleasant odor. Laboratory synthesis of styrene entails the...
by jingsong
Mon Jul 25, 2011 10:54 am
Forum: Other Chemical Engineering issues
Topic: Chemical
Replies: 0
Views: 1671

Chemical

Styrene, an organic compound with the chemical formula C6H5CH=CH2, is also known as vinyl benzene. This derivative of benzene is a colorless oily liquid that evaporates easily and has a sweet smell, although high concentrations confer a less pleasant odor. Laboratory synthesis of styrene entails the...
by jingsong
Mon Jul 25, 2011 10:46 am
Forum: Other Chemical Engineering issues
Topic: Produce of Styrene
Replies: 0
Views: 1744

Produce of Styrene

Styrene, an organic compound with the chemical formula C6H5CH=CH2, is also known as vinyl benzene. This derivative of benzene is a colorless oily liquid that evaporates easily and has a sweet smell, although high concentrations confer a less pleasant odor. Laboratory synthesis of styrene entails the...
by jingsong
Mon Jul 25, 2011 10:45 am
Forum: Other Chemical Engineering issues
Topic: Introduction of Ammonium chloride
Replies: 0
Views: 1708

Introduction of Ammonium chloride

Styrene, an organic compound with the chemical formula C6H5CH=CH2, is also known as vinyl benzene. This derivative of benzene is a colorless oily liquid that evaporates easily and has a sweet smell, although high concentrations confer a less pleasant odor. Laboratory synthesis of styrene entails the...