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Cobalt
Chloride
Formula:CoCl2.6H2O
CAS NO.:7791-13-1
M.W: 237.93
Properties: Red or amaranthine crystal, easily soluble in water,
soluble in ethanol, aether and propanone. Its specific gravity
is 1.924.
Specification:(%)
| |
High-grade |
First-grade |
| Assay (as Co)
|
24.0 min |
24.0 min |
| Water-insoluble
matter |
0.02 max |
0.02 max |
| Sulfate (SO4)
|
0.03 max |
0.15 max |
| Nitrate
(NO3) |
0.03
max |
0.2
max |
| Mn
|
0.02
max |
0.05
max |
| Fe |
0.003 max |
0.003 max |
| Ni |
0.1 max |
0.2 max |
| Zn |
0.005 max |
0.05 max |
| Heavy metal (as
Cu) |
0.005 max |
0.01 max |
Application: Drying
agent for painting, absorbent for ammonia, indicator of silica
gel dryer and coloring agent for electroplating and ceramics,
medicine production.
Storage: Store in a cool, ventilating place. Prevent package from
breaking and deliquescing.
Packing: 25Kg net. Double plastic bags lined plastic woven sack.
Formula: CoCl2 . 6H2O
CAS NO.:7791-13-1
M.W: 237.93
Properties: Red or amaranthine crystal, easily soluble in water,
soluble in ethanol, aether and propanone. Its specific gravity is
1.924.
Specification:(%)
| |
Standard |
| Assay
(CoCl2.6H2O) |
96.8
min |
| Co |
24.0
min |
| water-insoluble
matter |
0.03
max |
| As |
0.0005max |
| Pb |
0.001
max |
| Size
(through w=800µm sieve) |
95
min |
Application: As a
extender of Cobalt in the process of foodstuff.
Storage: Store in a cool, ventilating place. Prevent package from
breaking and deliquescing.
Packing: 25Kg net. Double plastic bags lined plastic woven sack
.
Cobalt
Sulfate
Formula: CoSO4.7H2O
CAS NO.:10026-24-1
M.W: 281.10
Properties: It is a red crystal with light brown, soluble in water
and methanol, but slightly soluble in ethanol and easily effloresces
in air. Its specific gravity is 1.948.
Specification:(%)
|
High-grade |
First-grade |
| Assay
(Co) |
20
min. |
20
min. |
| Water-insoluble-matter |
0.02
max. |
0.02
max. |
| Chloride
(Cl) |
0.05
max. |
0.1 max. |
| Nitrate(NO3)
|
0.05
max. |
0.1
max. |
| Mn
|
0.05
max. |
0.05
max. |
| Fe |
0.002
max. |
0.005
max. |
| Ni
|
0.1
max. |
0.1
max. |
| Zn |
0.05
max. |
0.05
max. |
| Heavy
Metal (as Cu) |
0.005
max. |
0.02
max. |
Application: As starting
material for making other cobalt salts; as a drying agent for
paintings, cobalt pigment and glazed colored porcelain, additive
of alkaline batteries and Co source for electroplating.
Storage: Store at a dry place. Avoid heating and damp.
Packing: 25Kg net. Double plastic bags lined plastic woven sack.
 |
Cobalt
Sulfate(CO33-35%)
Formula:
CoSO4. XH2O
CAS NO.:10026-24-1
M.W: 281.10
Properties: It is a pink powder, soluble in water.
Specification:(%)
|
NO1 |
NO2 |
| Assay
(Co) |
33
min. |
35
min. |
| Chloride
(Cl) |
|
0.1 max. |
| Ni
|
|
0.1 max. |
| Pb |
0.005
max. |
0.005
max. |
| As |
0.0005
max. |
0.0005
max. |
| Cd |
0.002
max. |
0.002
max. |
| Hg |
0.005
max. |
0.005 max. |
| Size
(through 100 mesh) |
95
min. |
95
min. |
Application:
As starting material for making other cobalt salts; as a drying
agent for paintings, additive of feed industry.
Storage: Store at a dry place. Avoid heating and damp.
Packing: 25Kg net. Double plastic bags lined plastic woven sack.
Cobalt
Sulfate(CO10-20%)
Formula: CoSO4. XH2O
CAS NO.:10026-24-1
Properties: It is pink granule.
Specification:(%)
| |
NO1 |
NO2 |
NO3 |
| Assay
(Co) |
10
min. |
15
min. |
20
min. |
| Pb |
0.005
max. |
0.005
max. |
0.005 max. |
| As |
0.0005
max. |
0.0005
max. |
0.0005 max. |
| Cd |
0.002
max. |
0.002
max. |
0.002
max. |
Application: As making
cobalt salts or fertilizer of cobalt etc.
Storage: Store at a dry place. Avoid heating and damp.
Packing: 25Kg net. Double plastic bags lined plastic woven sack.
Cobalt
Sulfate(Feed grade)
Formula:
CoSO4.7H2O
CAS NO.:10026-24-1
M.W: 281.10
Properties: It is a red -brown or red crystals with apparent
white, soluble in water and methanol, but slightly soluble
in methanol. It easily effloresces in air.
| Specification:
(%) |
High-grade |
First-grade |
|
Co |
21 min. |
20 min. |
| Water-insoluble-matter
|
0.02
max. |
0.02 max. |
| As |
0.0005 max. |
0.0005 max. |
| Pb |
0.002 max. |
0.002 max. |
Application: As
a kind of feed additive, growth promoter for creature and
plant, etc.
Storage: Store in a dry place. Avoid heating and damp.
Packing: 25Kg net. Double plastic bags lined plastic woven
sack.
Cobalt
Nitrate
Formula: Co(NO3)2.6H2O
CAS NO.:10026-22-9
M.W: 291.04
Properties: It is a red pillar crystal, soluble in water, ethanol
and propanone, but slightly soluble in ammonia water. It may cause
explosion and combustion when contacted with organic compounds.
Its specific gravity is 1.87.
Specification:(%)
| |
High-grade |
Battery-grade |
| Assay [Co(NO3)2.6H2O] |
97.0 min. |
97.0 min. |
| Water-insoluble-matter
|
0.02 max. |
0.01 max. |
| Chloride (Cl)
|
0.02 max. |
0.01 max. |
| sulfate (SO4)
|
0.02 max. |
0.02 max. |
| Mn |
0.02 max. |
0.005 max. |
| Fe |
0.005 max. |
0.0005max. |
| Ni |
0.2 max. |
0.05 max. |
| Zn |
0.02 max. |
0.02 max. |
| Heavy Metal (as
Cu) |
0.005 max. |
0.01 max. |
Application: As raw
material for making cobalt pigment, sodium hexanitrite cobalt,
catalyst and invisible ink; as colour for ceramic industrial use,
also an antidote for detoxicating cyanide.
Storage: Store at a dry place with cool, ventilated, prevent from
wet.
Packing: 25kg net. Double plastic bags lined plastic woven sack.
Cobalt
oxalate
Formula:
CoC2O4 . 2H2O
CAS NO.:814-89-1
M.W: 182.98
Properties: light pink crystals, soluble in ammonia, slightly
soluble in water and acid.
Specification: (%)
| |
High-grade |
First-grade |
| Assay (as Co)
|
31.5 min. |
31.0 min. |
| Iron (Fe) |
0.01 max. |
0.01 max. |
| Nickel (Ni) |
0.2 max. |
0.2 max. |
| Manganese (Mn)
|
0.1 max. |
0.1 max. |
| Pb |
0.01 max. |
0.01 max. |
Application: A raw
material for preparing cobalt metal powder and other cobalt salts.
Storage: Store in a dry place, prevent wetting and heat.
Packing: 25Kg net, pack sealed with double plastic bags lined
plastic woven sack.
Cobalt
carbonate
Formula: CoCO3
CAS NO.:513-79-1
M.W.118.94
Properties: Pink powder, soluble in dilute acid and liquid ammonia
, insoluble in cool water , and decomposes in hot water .
Specification:(%)
| |
High-grade |
First-grade |
| Assay (as Co)
|
46 min. |
45 min. |
| Iron (Fe) |
0.01 max. |
0.05 max. |
| Copper (Cu) |
0.005 max. |
0.02 max. |
| Nickel (Ni) |
0.2 max. |
0.3 max. |
| Zinc (Zn) |
0.005 max. |
0.05 max. |
| Sodium (Na) |
0.05 max. |
0.5 max. |
| Lead (Pb) |
0.005 max. |
0.06 max. |
Application: Making
other cobalt salts, cobalt dyestuff, porcelain coloring and chemical
reagent etc.
Storage: Store at a ventilating and dry place, prevent heat and
damp. Do not store with acids and liquid ammonia together.
Packing: 25Kg net. Pack sealed with double plastic bags lined
plastic woven sack.
Cobalt
Oxide
Formula:
CoO
CAS NO.:1307-96-6
M.W: 74.93
Properties: A kind of odourless, insipid and black powder; insoluble
in water, but soluble in hot inorganic acids.
Specification:
(%)
| |
NO1 |
NO2 |
| Co |
76
min. |
71-72
min. |
| Fe |
0.1
max. |
0.1
max. |
| Ni |
0.3
max. |
0.3
max. |
| Zn |
0.1
max. |
0.1
max. |
| Mn |
0.2
max. |
0.2
max. |
| Cu |
0.1
max. |
0.2
max. |
| Pb |
0.006
max. |
0.006
max. |
| Size
(through 200 mesh) |
98
min. |
98
min |
Application: It is
mainly used in horniness alloy, magnetic materials, enamel colouring
and ceramics pigment.
Storage: Store at a ventilating and dry place, prevent rain.
Packing: 25Kg net, pack sealed with plastic bags lined iron drum.
Formula: Co(OH)2
CAS NO.:21041-93-0
M.W.: 92.94
Properties: It is a kind of light pink powder, specific gravity
3.597, soluble in acid and ammonium salt solution, insoluble in
water and alkali. It reacts with organic acids to form cobalt soap.
Specification (%):
| Assay
(as Co) |
61
min. |
| Iron
(Fe) |
0.014max. |
| Nickel
(Ni) |
0.3
max. |
| Zinc
(Zn) |
0.01
max. |
| Manganese
(Mn) |
0.05
max. |
| Copper
(Cu) |
0.005
max. |
| Lead
(Pb) |
0.01
max. |
Application: Raw materials for cobalt salt manufacture, drying
agent of paint and varnish as well as catalyst for hydrogen peroxide
decomposition.
Storage: Store at a ventilating and dry place, prevent damp and
rain.
Packing: 25Kg net, pack sealed with double plastic bags lined
iron drum.
Cobalt
Acetate
Formula: (HCOO)2.Co
.2H2O
CAS NO.:6147-53-1
M.W.: 249.08
Properties: It is a magenta crystal, soluble in water, acid and
ethanol. Its specific gravity is 1.043 and melting point is 140 .
Specification (%):
| |
High grade |
First grade |
| Assay (Co(CH3COO)2.4H2O)
|
99.0 min. |
97.0 min. |
| water insoluble
matter |
0.03 max. |
0.05 max. |
| Chloride(Cl) |
0.02 max. |
0.05 max. |
| Sulfate(SO4) |
0.05 max. |
0.1 max. |
| Iron(Fe) |
0.005 max. |
0.01 max. |
| Ni |
0.1 max |
0.2 max |
| Zn |
0.005 max |
0.2 max |
| Pb |
0.005 max |
0.02 max |
Application: Catalysts,
drying agent and printing and drying agent, invisible ink.
Storage: Store at a dry place. Prevent exposure to the sun.
Packing: 25Kg net. Double plastic bags lined plastic woven bag.
Cobalt
Formate
Formula: Co(CH3COO)2. 4H2O
CAS NO.:
M.W.:
Properties: a pink powder.
Specification (%):
| Co |
30-31 |
| Cl |
0.02
max. |
| SO4 |
0.02
max. |
| NO3 |
0.01
max. |
| Cu |
0.005
max. |
| Fe |
0.005
max. |
| Zn |
0.005
max. |
| Na |
0.1
max. |
Application: It is
used for electroplating, antiseptic, and catalyzer etc.
Storage: Store at cool and dry place, prevent from damp and efflorescence.
Packing: 25Kg net. Double plastic bags lined plastic woven sack.
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