with Psat, and alcohol, pean over. ieee “mett 
- hexanol-5, a limpid, water-white oil boiling at 163 to 
alcohol nor ihe ketone Se solid addition- products with 1? 
formed the Tyirooshan wgee -{- (dimethyl2: e-hepiade enye ‘clohe 
144° (15 A Bie 
aes Cth CO 
; i Cots cae oy pees . ; 
oe | | | CH. Gs CH one a 
Methy!- -1- ~(dimethyl-2 : é-heptadieny)-Suaelohexenoness, 
G. Romeo’) reports on the idhiccdantnn: derivatives oe ane 
well-known normal double compound with sodium hydrogen outstiie ds 
unstable dihydrosulphonates, the monohydrosulphonate, and furthermor l 
and a stable trihydrosulphonate. The unstable trihydrosulphonate, ci d 
ih results on shaking citral with a solution of sodium sulphite and 
Ay ordinary temperature, followed by gentle heating. It is an odourless, 
mass, easily reducible to powder, very readily Souple in water vas 
of of heat, somewhat soluble in methyl alcohol, 
on addition of barium chloride solution. On Addition oy i peenee 
separates off, but not on addition of sodium carbonate ce he Pa 
ie 143 of this Report. 
Fe the reduetion of enanthic aldehyde, see. p. 7 of this Report. 
( mn: Concerning ‘the estimation of aromatic aldeyes Pe means of hy 
: of this Report. i on antemn Gre Ie C4 ko 
1 | EA Se etagesicc 
On the formation of ketontc semicarbazones. tier It is ay 
