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Encyclopedia > Propyl

In organic chemistry, propyl is a three-carbon alkyl substituent with chemical formula -C3H7. It is the substituent form of the alkane propane. Organic chemistry is that part of chemistry concerned with the composition, structure, properties, reactions and synthesis of organic compounds. ... General Name, Symbol, Number carbon, C, 6 Chemical series nonmetals Group, Period, Block 14, 2, p Appearance black (graphite) colorless (diamond) Atomic mass 12. ... An Alkyl is a univalent radical containing only carbon and hydrogen atoms arranged in a chain. ... A chemical formula (also called molecular formula) is a concise way of expressing information about the atoms that constitute a particular chemical compound. ... It has been suggested that List of alkanes be merged into this article or section. ... R-phrases S-phrases , , Flash point -104 °C Autoignition temperature 432 °C Explosive limits 2. ...

For example:

This is "propyl ethanoate," an ester. The propyl group is attached to the molecule after the middle oxygen. Acetate, or ethanoate, is the anion of a salt or ester of acetic acid. ... General formula of an ester of a carboxylic acid. ...

There are two isomeric forms of propyl: In chemistry, isomers are molecules with the same chemical formula and often with the same kinds of bonds between atoms, but in which the atoms are arranged differently. ...

  • with the substituent attached to one of the end carbons (called 1-propyl in the IUPAC nomenclature, or n-propyl in the old naming system); and
  • with the substituent attached to the middle carbon (called 2-propyl in the IUPAC system, or isopropyl in the old system).

IUPAC nomenclature is a system of naming chemical compounds and of describing the science of chemistry in general. ... Isopropyl is a term in organic chemistry to refer to a three carbon structure. ...


Isopropyl alcohol or isopropanol is a common name for propan-2-ol, a colorless, flammable chemical compound with a strong odor. ...

See also

  Results from FactBites:
Propyl Summary (341 words)
The first is normal propyl (n propyl or 1 propyl) which has the chemical formula CH The second is isopropyl (2 propyl) which has the formula (CH Like all isomers the properties of the two propyl forms are slightly different.
In organic chemistry, propyl is a three-carbon alkyl substituent with chemical formula -C
It is the substituent form of the alkane propane.
004. Propyl gallate (FAO Nutrition Meetings Report Series 38a) (1371 words)
Propyl gallate was added to the dietary fat of weanling rats at levels of 0.02% in the fat for 13 weeks.
Propyl gallate fed to guinea-pigs in groups of 20 at a level of O.O117% in the diet for 14 months caused no detectable ill effects.
Propyl, octyl and dodecyl gallate were fed to rats at concentrations of 0.035%, 0.2% and 0.5% in the diet.
  More results at FactBites »



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