VALERIC See also:

• ACID (from the Lat. root ac-, sharp; acere, to be sour)

ACID, or VALERIANIC ACID  , C4H9•See also:

• CO2H

CO2H, an organic See also:

• ACID (from the Lat. root ac-, sharp; acere, to be sour)

acid belonging to the fatty acid See also:

• SERIES (a Latin word from serere, to join)

series, which exists in four isomeric forms, one of which contains an See also:

• ASYMMETRIC

asymmetric See also:

• CARBON (symbol C, atomic weight 12)

carbon See also:

• ATOM (Gr. &rows, indivisible, from a- privative, and TE,aPfw, to cut)

atom and consequently occurs in two optically active modifications and one optically inactive modification . See also:

• ORDINARY (med. Lat. ordinarius, Fr. ordinaire)

Ordinary valeric acid (baldrianic acid) is a mixture of isovaleric acid or isopropylacetic acid, (See also:

• CH3

CH3)2CH•See also:

• CH2
• CH2(OH)

CH2•CO211,andoptically active methylethylacetic acid, (CH3) (C2HS)CH•CO2H, which occur See also:

• FREE

free or as See also:

• ESTERS

esters in the See also:

• VEGETABLE

vegetable and See also:

• ANIMAL
• ANIMAL (Lat. animalis, from anima, breath, soul)

animal kingdoms, chiefly in the roots of See also:

• ANGELICA

Angelica archangelica and Valeriana officinalis . It may be extracted by boiling with See also:

• WATER

water or soda . A similar product isobtained by oxidizing See also:

• FERMENTATION

fermentation amyl See also:

• ALCOHOL

alcohol with chromic acid . Isovaleric acid is an oily liquid having the odour of stale See also:

• CHEESE (Lat. caseus)

cheese and boiling at 174°; the salts are usually greasy to the See also:

• TOUCH (derived through Fr. toucher from a common Teutonic and Indo-Germanic root, cf. " tug," " tuck," O. H. Ger. zucchen, to twitch or draw)

touch . See also:

• POTASSIUM [symbol K (from kalium), atomic weight 39.114 0=16)]

Potassium permanganate oxidizes it to f3-oxyisovaleric acid (CH3)2•C(OH)•CH2•CO2H, whilst nitric acid gives, among other products, dinitropropane, (CH3)2C(NO2)2 . The acid has been synthesized, as has also the inactive See also:

• FORM (Lat. forma)

form of methylethylacetic acid; this 'modification is split into its See also:

• OPTICAL

optical See also:

• ANTIPODES (Gr. avri, opposed to, and 7r6 es, feet)

antipodes by See also:

• CRYSTALLIZATION

crystallization of its See also:

• BRUCINE, C23H26N2O4

brucine See also:

• SALT (a common Teutonic word, cf. Dutch zout, Ger. Salz, Scand. salt; cognate with Gr. &Xs, Lat. sal)
• SALT, SIR TITUS, BART

salt . Normal valeric acid or propylacetic acid, CH3•CH2•CH2•CH2•CO2H, is a liquid boiling at 186° . The remaining isomer, pivalic or trimethylacetic acid, (CH3)3C•CO2H, melts at 35° and boils at 163° . Both these acids are synthetic products .