u muL km u ;J|;^ U L s«?35
as powerful reducing agents in the manufacture of rust & polymerization inhibitors « dyes & intermediates • pharmaceuticals • photographic chemicals • rubber chemicals
*&***
hydroxylamine salts H YDROXYLAMMONIUM
CHLORIDE
H YDROXYLAMMONIUM
SULFATE
H YDROXYLAMMONIUM
W§1
PS
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
f ^ § |
(CH.s)2CO-t-NH 2 OH—>
mine but where a purer product is necessary, the sulfate or chloride is recommended. The chloride is usually chosen for
FORMATION (CH:{)2C = NOH4-H 2 0
Acetone
reagent purposes, such as in the determination or removal of
Acetoxime
aldehydes and ketones because it is the most soluble of the ADDITION
AT D O U B L E
three salts in organic liquids. Therefore, it is also preferred
BOND NHOH
!&$3
0
—CH = CHCOOH -(-NH2OH-
Cinnamic A c i d
0"
fZ-N, —CHCH 2 COOH
IP
when carrying out syntheses in non-aqueous media. P R O P E R T I E S
beta— H y d r o x y a m i n o Cinnamic Acid
Hydroxylammonium Hydroxylammonium Hydroxylammonium Chloride Sulfate Acid Sulfate
XAVMsJj
N H 2 O H • HCL AZIDE
Molecular
FORMATION
^=N-fNH2OH—>
OT
Benzene D i a z o n i u m Chloride
0
69.50
Weight
131.11 Indefinite
162d.
3.4
3.5
In Water
94.7
63.9
In M e t h a n o l
17.5
0.1
20.2
In Ethanol, 9 5 %
10.5
0.2
4.3
In Ethanol, A b s o l u t e
6.6
0.1
6.3
In Butanol
0.6
0.03
2.2
p H of O . I M Aqueous Solution a t 2 5 ° C
Phenyl A z i d e f
NH2OH • H2SO4
164.14
152d.
M e l t i n g Point ° C
N3 4-HCH-H2O
( N H 2 O H ) 2 • H2SO4
1.6
•Solubility—g/lOOg a t 25°C
f D u e to the known instability o f a z i d e compounds, a d e q u a t e s a f e t y precautions should b e observed in attempting this synthesis.
3 9 0 Approx.
•These Hydroxylammonium salts a r e only very slightly soluble in ethers, esters, a n d aliphatic or aromatic hydrocarbons
Write, wire, or phone CSC for a sample and further
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