Cadmium nitrate tetrahydrate
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Cadmium nitrate tetrahydrate
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CAS No:
10022-68-1
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Formula:
Cd.4H2O.2HNO3
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Chemical Name:
Cadmium nitrate tetrahydrate
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Synonyms:
Nitric acid,cadmium salt,hydrate (2:1:4);Nitric acid,cadmium salt,tetrahydrate;C.I. 77192;Cadmium nitrate tetrahydrate;Cadmium dinitrate tetrahydrate;Cadmium nitrate (Cd(NO3)2) tetrahydrate
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CAS No:
Characteristics
130
0.30850
White Solid
2,45 g/cm3
59.5 °C(lit.)
132 °C
132°C
soluble in water.(109 g/100ml)at 0 C and (326 g/100ml)at 60 C.soluble in ammonia, acetone and alcohol.
Oral-rat LD50: 300 mg/kg
Thermal decomposition releases toxic nitrogen oxides, including cadmium fumes
Safety Information
II
5.1
UN 3087 5.1/PG 2
3
45-8-20/21/22-50/53-48/23/25-26-25-61-60-46
53-45-60-61-36/37-28
EV1850000
O,T,N,T+
Treasury is ventilated, low temperature and dry; stored separately from food materials
Stable. Incompatible with reducing agents, organic materials, phosphorus, copper, copper alloys, organic materials. Strong oxidizer - contact with combustible materials may lead to fire.
P201-P260-P301 + P310 + P330-P304 + P340 + P310-P308 + P313-P403 + P233
H301-H330-H340-H350-H360FD-H372-H410
Cadmium nitrate tetrahydrate Use and Manufacturing
In the metal cadmium method, electrolytic metal cadmium is added to an acid-resistant reactor containing non-ionized water, and 30% to 35% dilute nitric acid is gradually added to start a fierce reaction. When the reaction tends to be slow, it is gradually heated to 70-80°C and the reaction is 6 to 6 After 8h, the reaction solution was neutralized. After the solution was filtered, the filtrate was sent to the evaporator and concentrated until a thin film was formed on the surface of the solution. It is then sent to a crystallizer for cooling and crystallization, centrifugal separation, and air-drying in the air to produce a finished product of cadmium nitrate. During the reaction of Cd+4HNO3→Cd(NO3)2+2H2O+2NO2↑, nitrogen oxide gas escaped and was toxic. For the treatment method, please refer to the absorption method of sodium nitrate.
Laboratory reagent, coloring glass
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