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Metallic Salts & Oxides

Metallic Salts & Metallic Oxides are used for various industrial applications. The metallic salts and metallic oxides find diverse applications in photo diodes, photo transistors, photo voltaic cells, transparent electrodes, liquid crystal displays, IR detectors, and anti reflection coatings.


Applications

Nickel oxide has a range of applications such as:
  • For making electrical ceramics such as thermistors and varistors e.g. ferrites (nickel zinc ferrite)
  • Pigments for ceramic, glasses and glazes
  • Nickel oxide can be reacted with acids to form salts and other compounds e.g. nickel sulfamate for electroplating and nickel molybdate for hydrodesulfurisation catalysts.
  • Gold doped nickel oxide films can be used as transparent electrodes in optoelectronic devices.

Nickel (II) Oxide

Nickel (II) Oxide Available in packaging : 25 kg BAG
CAS Number : 1313-99-1

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Properties Specification
Molecular formula NiO Ni >= 72% / 74%
Molar mass 74.6928 Co <= 0.03%
Appearance green crystalline solid Cu <= 0.06%
Density 6.67 g/cm3 Fe <= 0.158%
Melting point 1955  °C, 2228  K, 3551  °F Mn <= 0.035%
Solubility in water negligible Zn <= 0.02%
Solubility soluble in ammonium hydroxide, KCN Ca <= 0.15%
Refractive index (nD) 2.1818 Mg <= 0.15%
    Na <= 0.15%
    Pb <= 0.005%
    Insouble matter <= 0.3%
    250 mesh <= 1%



Applications

NiCl2 and its hydrate are occasionally useful in organic synthesis.
  • In combination with CrCl2 for the coupling of an aldehyde and a vinylic Iodide to give allylic alcohols.
  • For selective reductions in the presence of LiAlH4, e.g. for the conversion of alkenes to alkanes
  • As a precursor to nickel boride, prepared in situ from NiCl2 and NaBH4. This reagent behaves like Raney Nickel, comprising an efficient system for hydrogenation of unsaturated carbonyl compounds.

Nickel(II) chloride

Nickel(II) chloride Available in packaging : 50 kg HDPE BAG
CAS Number : 7718-54-9,7791-20-0 (hexahydrate)

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Properties Specification
Molecular formula NiCl2 Nickel Metal % by mass 24.7
Molar mass 129.5994 (anhydrous)
237.69 (hexahydrate)
Moisture % 0.5
Appearance yellow-brown crystalsdeliquescent (anhydrous)
green crystals (hexahydrate)
Heavy Metals % by mass 0.05 Max.
Odor odorless Nitrates % by mass 0.001 Max.
Density 3.55 g/cm3 (anhydrous)
1.92 g/cm3 (hexahydrate)
pH of 10% Solution 4 – 6
Melting point 1001 °C (anhydrous)
140 °C (hexahydrate)
Insoluble matter % by mass 0.05 Max.
Solubility in water anhydrous
64.2 g/100 ml (20 °C)
87.6 g/100 ml (100 °C)

hexahydrate
254 g/100 ml (20 °C)
600 g/100 ml (100 °C)
Chlorides % by mass 0.01 Max.


Applications
  • It is a source of tetrafluoroborate union. It is used in organic chemistry for fluorination reactions and as a catalyst, and for lab-scale preparation of boron trifluoride.
  • Sodium tetrafluoroborate is used in some fluxes used for brazing.
  • Sodium tetrafluoroborate can be used to prepare nitrosonium tetrafluoroborate, an explosive, by reacting with nitrogen(III) oxide.
  • It can also be used for synthesis of ionic liquids, where the tetrafluoroborate often plays the role of the product's anion.

Nickel (II) sulphate

Nickel (II) sulphate Available in packaging : 50 kg HDPE BAG
CAS Number : 7786-81-4 (anhydrous), 10101-97-0 (hexahydrate), 10101-98-1 (heptahydrate)

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Properties Specification
Molecular formula NiSO4 % of Nickel Sulphate 98% Min  
Molar mass 154.75 (anhydrous)
262.85 (hexahydrate)
280.86(heptahydrate)
PH of aqucous solution not less than 4
Appearance yellow solid (anhydrous)
green-blue crystals (hexahydrate)
blue crystals (heptahydrate)
Nickel (asNi) % by mass 22.0 Min.
Odor odorless Copper (asCu) % by mass 0.002 Max
Density 4.01 g/cm3 (anhydrous)
2.07 g/cm3 (hexahydrate)
1.948 g/cm3 (heptahydrate)
Iron (as Fe) % by mass : 0.005 Max.   0.005 Max.  
Melting point > 100  °C (anhydrous)
53  °C (hexahydrate)
Nitrates (as NO3)% by mass  0.001 Max
Boiling point 840  °C (anhydrous, decomp)
100 °C (hexahydrate, decomp)
Insoluble matter % by mass 0.05 Max.
Solubility in water 65 g/100 ml (20  °C)
77.5 g/100 ml (30  °C) (heptahydrate)
Cobalt (as Co) % by mass 0.5 Max.
Solubility insoluble in ethanol, ether, acetone Heavy metals (as Pb) % by mass 0.002 Max
Acidity (pKa) 4.5 (hexahydrate) Zinc (as Zn) % by mass 0.005 Max.

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