U SË-'F U L as powerful \,
ι
|
i
U SË'^UL I :} f;
reducing
[:-.:-!
agents
in îhe manufacture of rust & polymerization inhibitors · dyes & intermediates · pharmaceuticals · photographic chemicals · rubber chemicals
r:M
hydroxylamine salts HTDROXYLAMMONiUM
CHLORIDE
H Ï D R O X Y L A M M O N I U M
SULFATE
HYDROXYLAMMONIUM
ACID
SULFATE
The acid sulfate is the most economical source of hydroxylaT Y P I C A L OXIME
R E A C T I O N S
mine but where a purer product is necessary, the sulfate or chloride is recommended. The chloride is usually chosen for
FORMATION
(CH.jL.CO-t-NHL.OH Acetone
>
(CH3)^C = NOH + H^O Acetoxime
reagent purposes, such as in the determination or removal of aldehydes and ketones because it is the most soluble of the
ADDITION
0
AT D O U B L E
—CH = CHCOOH 4-NH2OH-
Cinnamic A c i d
0
three salts in organic liquids. Therefore, it is also preferred
BOND
when carrying out syntheses in non-aqueous media.
NHOH I -CHCHvCOOH
P R O P E R T I E S
beta—Hydroxyamino Cinnamic A c i d
Hydroxylammonium Hydroxylammonium Hydroxylammonium Chloride Sulfate Acid Sulfate N H 2 O H · HCL
AZIDE
N|=N + NH2OH—>
CI
0
M e l t i n g Point ° C
—N3 4-HCI-r H2O
i
ν
Î
Benzene
j '
f D u e to the known instability of a z i d e compounds, a d e q u a t e safety precautions should be observed in attempting this synthesis.
Diazonium
09.50
Molecular Weight
FORMATION
Phenyl
pH o f O.l M Aqueous Solution a t 2 5 ° C
Azidet
( N H 2 O H ) 2 · H2SO4
N H 2 O H · H2SO4 î 3 î. 1 s
ί 64.14
152d.
162d.
3.4
3.5
Indefinite 1.6
•Solubility—g/lOOg at 2 5 ° C
Chloride
In W a t e r
94.7
In M e t h a n o l
17.5
In Ethanol, 9 5 %
10.5
In Ethanol, A b s o l u t e
6.6
In Butanol
0.6
63.9 0.1 0.2 0.1 0.03
3 9 0 Approx. 20.2 4.3
6.3 2.2
•These Hydroxylammonium sclts are only very slightly soluble in ethers, esters, and aliphatic or aromatic hydrocarbons
Wnte, wire, or phone CSC for a samplo and further
COMMERCIAL INDUSTRIAL 1926
CHEMICAL
SOLVENTS
DIVISION
17
EAST
42ND
information
CORPORA? STREET,
C H E M I C A L
AND
NEW
YORK
ION 17,
ENGINEERING
Ν.
Υ.
NEWS
