Nickel hydroxide is the inorganic compound with the formula ni(oh)2.
It is an apple-green solid that dissolves with decomposition in ammonia
And amines and is attacked by acids.
It is electroactive, being converted to the ni(iii) oxy-hydroxide, leading to
Widespread applications in rechargeable battery.
[synonyms]
Nickel(ii) hydroxide, nickel(2+) hydroxide
Nickel hydroxide is the inorganic compound with the formula ni(oh)2.
It is an apple-green solid that dissolves with decomposition in ammonia
And amines and is attacked by acids.
It is electroactive, being converted to the ni(iii) oxy-hydroxide, leading to
Widespread applications in rechargeable battery.
[synonyms]
Nickel(ii) hydroxide, nickel(2+) hydroxide
Chromium(iii) hydroxide is an inorganic compound with the chemical formula
Cr(oh)3. It is used as a pigment, as a mordant, and as a catalyst for organic
Reactions.
It is manufactured by adding a solution of ammonium hydroxide to a solution
Of chromium salt.
[synonyms]
Chromium(iii) hydroxide, chromium trihydroxide, chromium(3+) trihydroxide,
Chromic hydroxide
Properties
Chemical formulacr(oh)3
Molar mass103.02 g/mol
Appearancegreen, gelatinous precipitate
Density3.11 g/cm3
Solubility in watersoluble
Strontium chromate refers to a chemical compound that is a light yellow powder or granular solid and insoluble in water. Its chemical formula is srcro4.
Strontium chromate is a crystalline and inorganic compound. When it is heating, toxic chromium fumes are emitted. It is a strong oxidizing agent and extremely corrosive, and has many applications.
Strontium chromate is a common corrosion inhibitor. It provides excellent corrosion resistance for metal substrates, particularly aluminum substrates.
It is also used as a pigment, a protective coating, and in pyrotechnics. It has applicability as an anti-corrosive primer for zinc, magnesium, aluminum and alloys used in aircraft manufacturing.
Properties
Chemical formula, srcro4
Molar mass, 203.614 g/mol
Appearance, yellow powder
Density, 3.353 g/cm3
Solubility in water, 0.12 g/100 ml (15 â°c)
3 g/100 ml (100 â°c)
Solubility, soluble in dilute acids and ammonia
Applications, corrosion inhibitor in pigments
In electrochemical processes to control sulfate concentration of solutions
Colorant in polyvinyl chloride resins
Pyrotechnics
Chrome plating
Aluminum flake coatings
Metal conditioner
Potassium chromate is the inorganic compound with the formula (k2cro4).
This yellow solid is the potassium salt of the chromate anion. It is a common
Laboratory chemical, whereas sodium chromate is important industrially.It is a
Class two carcinogen.
[applications]
Unlike the less expensive sodium salt, potassium salt is mainly used for laboratory work in situations where an anhydrous salt is required.
It is as an oxidizing agent in organic synthesis. It is used as in qualitative inorganic analysis, e.G. As a colorimetric test for silver ion.
Properties
Chemical formula, crk2o4
Molar mass, 194.19 gâ·molâ??1
Appearance, yellow powder
Odor, odorless
Density, 2.7320 g/cm3
Melting point, 968 â°c
Boiling point, 1000 â°c
Solubility in water, 62.9 g/100 ml (20 â°c)
75.1 g/100 ml (80 â°c)
79.2 g/100 ml (100 â°c)
Solubility, insoluble in alcohol
[health risks]
As with other chromate compounds, potassium chromate can cause harm to your health if you ingest or inhale this chemical. Potassium chromate is a known carcinogen and can cause cancer. Further, potassium chromate is a poison, and ingesting large amounts of this substance can kill you.
In nature, potassium chromate only occurs in a few remote areas of the atacama desert in south america. Additionally, potassium chromate can cause birth defects in the event of fetal exposure to this chemical.
Sodium chromate is the inorganic compound with the formula na2cro4.
It exists as a yellow hygroscopic solid, which can form tetra-, hexa-, and
Decahydrates. It is an intermediate in the extraction of chromium from its
Ores.
Sodium chromate, like other hexavalent chromium compounds, is toxic and
Carcinogenic.
[uses]
Aside from its central role in the production of chromium from its ores,
Sodium chromate is used as a corrosion inhibitor in the petroleum industry.
It is also a dyeing auxiliary in the textile industry and a wood preservative.
It is a diagnostic pharmaceutical in determining red blood cell volume.
In organic chemistry, sodium chromate is used as an oxidant, converting
Primary alcohols to carboxylic acids and secondary alcohols to ketones.
Properties
Chemical formula, na2cro4
Molar mass, 161.97 g/mol
Appearance, yellow crystals
Odor, odorless
Density, 2.698 g/cm3
Melting point, 792 c (anhydrous)
20 c (decahydrate)
Solubility in water, 31.8 g/100 ml (0 c)
84.5 g/100 ml (25 c)
126.7 g/100 ml (100 c)
Solubility, slightly soluble in ethanol
Solubility in methanol, 0.344 g/100 ml (25 c)
Copper(ii) acetate is odorless and efflorescent. It is soluble in alcohol and slightly soluble in ether and glycerol. Copper acetate has many applications, including as a fungicide, insecticide as well as applications in electrolysis and electroplating.
Copper(ii) acetate, also referred to as cupric acetate, is the chemical compound with the formula cu(oac)2 where oac, is acetate (ch3co, 2). The hydrated derivative, which contains one molecule of water for each cu atom, is available commercially.
Anhydrous cu(oac)2 is a dark green crystalline solid, whereas cu2(oac)4(h2o)2 is more bluish-green. Since ancient times, copper acetates of some form have been used as fungicides and green pigments. Today, copper acetates are used as reagents for the synthesis of various inorganic and organic compounds.Copper acetate, like all copper compounds, emits a blue-green glow in a flame
Copper carbonate
Basic copper carbonate is a green solid completely insoluble in water, alcohol and organic solvents; it decomposes if placed in contact with diluted acids. Also known as green malachite,
Copper carbonate is used as raw material in the electroplating and agricultural industries.
Copper carbonate is also used for the production of pigments and as raw material used in wood protective formulations.
[synonyms]
Malachite green. Copper(ii) carbonate. Copper carbonate or cupric carbonate
[formula]
Sn(ch3so3)2
[synonyms]
Stannous methanesulfonate solution 300 g/l. Tin methanesulfonate solution, methyl sulfonate.
[appearance]
Tin methanesulfonate 300 g / l occurs in a solution with a color varying from colorless to pale yellow.
[solubility]
Water soluble
[uses]
Tin methanesulfonate is an aqueous solution used in the metal surface treatment.
Mainly as a replacement for tin sulphate where high speed deposits are needed (reel-to-reel)
[description]
Sn-msa is an aqueous solution of tin and methane sulfonic acid.
It comes with a tin content of 300 g/l
Tin(ii) sulfate (snso4) is a chemical compound. It is a white solid that can absorb enough moisture from the air to dissolve in it, forming a solution; this property is known as deliquescence. It can be prepared by a displacement reaction between metallic tin and copper(ii) sulfate.
Tin(ii) sulfate is a convenient source of tin(ii) ions uncontaminated by tin(iv) species.
[uses]
Tin sulfate is used as a raw material for aluminum anodizing and metal surface treatment industry .
Tin sulfate is also used as a raw material for the production of tin based chemicals
Sodium stannate is the inorganic compound with the formula na2sn(oh)6.
This colourless salt forms upon dissolving tin or tin dioxide in sodium hydroxide.
Sodium stannate is used as a stabiliser for hydrogen peroxide.
[formula]
Na2sno3.3h2o
[cas registry number]
12027-70-2
[synonyms]
Disodium tin hexahydroxide.
[appearance]
Sodium stannate comes in the form of white crystals.
[solubility]
Sodium stannate is soluble in water but not soluble in ethyl alcohol and acetone.
[uses]
The sodium stannate is used for the production of tin based compunds and for the
Stabilization of peroxides. Sodium stannate is also used for tin surface treatment
Chromium(iii) oxide is the inorganic compound of the formula cr2o3.
It is one of the principal oxides of chromium and is used as a pigment.
In nature, it occurs as the rare mineral eskolaite.
Properties
Chemical formulacr2o3
Molar mass151.9904 g/mol
Appearancelight to dark green, fine crystals
Density5.22 g/cm3
Melting point2435 c
Boiling point4000 c
Solubility in waterinsoluble
Solubility inalcoholinsoluble in alcohol, acetone, acids
[applications]
Because of its considerable stability, chromia is a commonly used pigment and was originally called viridian.It is used in paints, inks, and glasses. It is the colourant in "chrome green" and "institutional green."
Chromium(iii) oxide is a precursor to the magnetic pigment chromium dioxide.It is one of the materials that are used when polishing (also called stropping) the edges of knives, razors
Copper (ii) sulfate, also known as cupric sulfate or copper sulphate, is the inorganic compound with the chemical formula cuso4.
This salt exists as a series of compounds that differ in their degree of hydration.
The anhydrous salt is a white powder in its pure form, whereas the pentahydrate
(cuso4â·5h2o), the most commonly encountered salt, is bright blue.
Copper (ii) sulfate exothermically dissolves in water to give the aquo complex [cu(h2o)6]2+, which has octahedral molecular geometry and is paramagnetic.
Other names for copper(ii) sulfate are "blue vitriol" and "bluestone"
Cobalt carbonate
[formula]
Coco3
[cas registry number]
513-79-1
[synonyms]
Carbonate of cobalt, cobaltous carbonate, carbonicacid,
Cobalt(ii) carbonate, spherocobaltite.
[appearance]
Cobalt carbonate is an odorless purple powder.
[solubility]
Cobalt carbonate is insoluble in water and ammonia; but however soluble in acids.
[uses]
Cobalt carbonate is used as a microelement in the zootechnical industry,
As raw material in the production of pigments and as catalysts.
[description]
Cobalt carbonate is the inorganic compound with the formula coco3,
It is the carbonate salt of cobalt.
Cobalt carbonate is prepared by heating cobaltous sulfate with a solution of sodium bicarbonate.
This reddish paramagnetic solid is an intermediate in the hydrometallurgical purification of cobalt
From its ores. It is an inorganic pigment, and a precursor to catalysts.
[classification]
Cobalt carbonate is harmful if swallowed and may cause sensitisation by inhalation and skin contact
Cobalt acetate is a moderately water soluble crystalline cobalt source
That decomposes to cobalt oxide on heating. It is generally immediately
Available in most volumes. All metallic acetates are inorganic salts containing
A metal cation and the acetate anion, a univalent (-1 charge) polyatomic ion
Composed of two carbon atoms ionically bound to three hydrogen and two
Oxygen atoms (symbol: ch3coo) for a total formula weight of 59.05.
Acetates are excellent precursors for production of ultra high purity compounds,
Catalysts, and nanoscale materials.
[synonyms]
Cobalt(ii) acetate; acetic acid, cobalt; bis(acetato)cobalt; cobalt(2+) acetate; cobalt diacetate; cobalt, ethanoic acid
Cobalt oxide is a consistent, reliable oxide and a common colorant in pottery.
It is available in powdered form and is blackish in color.
It is a very strong oxide, and using very small quantities yields bright, intense blues.
In ceramics, cobalt oxide is used mainly in slips, washes and glazes and can be applied through brushwork, decals or other surface decorating techniques.
It can also be added to porcelain or stoneware clay. Because cobalt oxide is not as finely powdered as cobalt carbonate, cobalt oxide is more likely to create blue specks, a quality that we believe can be quite beautiful!
Because of the strength of this oxide as a colorant, glazes containing cobalt can produce halos and flashing during firings.
[formula]
Co3o4
[cas registry number]
1308-06-1
[synonyms]
Cobalt oxide 73%, cobalt oxide frit grade. Black cobalt. Tricobalt tetraoxide.
[appearance]
Cobalt oxide occurs as a grey to black powder.
[solubility]
Cobalt oxide is insoluble in water but soluble in acids.
[uses]
Cobalt oxide is mainly used as a pigment for colouring glass and frits.
Sometimes also used as catalyst or as a source for metallic cobalt.
[description]
Cobalt oxide is a is a harmful allergenic compound.
It is an inorganic compound and mostly found as tricobalt tetraoxide.
At room temperature is presented as a black odourless solid.
[classification]
Cobalt oxide is hazardous to the environment and harmful, if swallowed;
May cause sensitisation by skin contact and is toxic to aquatic organisms
Causing long-term adverse effects in aquatic environment
Cobalt(ii) sulfate is any of the inorganic compounds with the formula coso4(h2o)6. Usually cobalt sulfate refers to the hydrate coso4.7h2o, which is one of the most commonly available salts of cobalt.
[properties]
Cobalt(ii) sulfate heptahydrate appears as red monoclinic crystals that liquify around 100 â°c and become anhydrous at 250 â°c. It is soluble in water, slightly soluble in ethanol, and especially soluble in methanol. The salts are paramagnetic.
It forms by the reaction of metallic cobalt, its oxide, hydroxide, or carbonate with aqueous sulfuric acid.The hexahydrate is a metal aquo complex consisting of octahedral [co(h2o)6]2+ ions associated with sulfate anions.
[uses]
Hydrated cobalt(ii) sulfate is used in the preparation of pigments, as well as in the manufacture of other cobalt salts. Cobalt pigment is used in porcelains and glass. Cobalt(ii) sulfate is used in storage batteries
And electroplating baths, sympathetic inks, and as an additive to soils and animal feeds. For these purposes, the cobalt sulfate is produced by treating cobalt oxide with sulfuric acid
Nickel carbonate
Green crystals that melting at 56c (decomposes); soluble in acid, insoluble in water; used in electroplating, as a catalyst production for organic chemical manufacture, petroleum refining and edible oil hardening.
From the industrial perspective, the most important nickel carbonate is basic nickel carbonate with the formula ni4co3(oh)6(h2o)4. Simpler carbonates, ones more likely encountered in the laboratory, are nico3 and its hexahydrate. All are paramagnetic green solid containing ni2+ cations. The basic carbonate is an intermediate in the hydrometallurgical purification of nickel from its ores and is used in electroplating of nickel.
Synonyms
Nickel(2+) carbonate; carbonic acid, nickel salt, basic; nickelous carbonate; nickel(ii) carbonate;
Carbonic acid, nickel(2+) salt (1:1); nickel monocarbonate; basic nickel(ii) carbonate; nickel(2+) carbonate
Nickel formate
Green crystals; soluble in water; used as a hydrogenation catalyst.
[synonyms]
Nickel(ii) formate dihydrate, formic acid nickel(2+) salt, nickel diformate dihydrate.
[properties]
Compound formula: c2h6nio6
Molecular weight: 184.76
Appearance: green crystals
Melting point: 130-140 â°c
Density: 2.15 g/cm3
Nickel(ii) formate dihydrate is one of numerous organometallic compounds .
Organometallics are useful reagent, catalyst, and precursor materials with applications in thin film deposition, industrial chemistry, pharmaceuticals, led manufacturing, and others
Nickel Acetate
Efflorescent green crystals; decompose on heating; soluble in water and alcohol;
used in plating processes,anodize coatings and as textile dyeing mordant.
[Synonyms]
Nickel acetate tetrahydrate, Nickel(II) acetate tetrahydrate, Nickel diacetate tetrahydrate,
Nickel(2+) diacetate tetrahydrate,Nickelous acetate tetrahydrate, Ethanoic acid; nickel,
nickel(2+) acetate hydrate (1:2:4), Acetic acid, nickel(2+) salt, tetrahydrate, tetrahydrate (2:1:2), Diacetatonickel tetrahydrate.
Nickel(ii) sulfate, or just nickel sulfate usually refers to the inorganic compound
With the formula niso4.
This highly soluble blue-coloured salt is a common source of the ni2+ ion for electroplating.
It is mainly used for electroplating of nickel
Nickel fluoride
Nickel(ii) fluoride is the chemical compound with the formula nif2. Unlike many fluorides, nif2 is stable in air.
Nif2 comprises the passivating surface that forms on nickel alloys, e.G. Monel, which is why such materials are good to store or transport hydrogen fluoride or elemental fluorine.
Nickel is one of the few materials that can be used to store fluorine because it forms this coating.
It is also used as a catalyst for the synthesis of chlorine pentafluoride.
Fluoride compounds have diverse applications in current technologies and science, from oil refining and etching to syntheticorganic chemistry and the manufacture of pharmaceuticals.
Synonyms
Nickel(2+) difluoride, nickel (ii) fluoride, anhydrous, nickel difluoride, difluoronickel, nickelous fluoride
Nickel ammonium sulfates
A green, crystalline compound, soluble in water; used as a nickel electrolyte for electroplating.Also known as ammonium nickel sulfate; solid nickel salt.
[synonyms]
Ammonium nickel(+2) sulfate hexahydrate; ammonium nickel sulphate 6-hydrate; nickel ammonium sulfate; ammonium nickel sulfate-6-hydrate; di-ammonium nickel(ii) sulphate 6-hydrate; nickelous ammonium sulfate; ammonium nickel sulfate hexahydrate; nickel(ii) ammonium sulfate hexahydrate;
Diammonium nickel disulfate hexahydrate.
[properties]
Compound formula:h20n2nio14s2
Molecular weight :394.99
Appearance :green crystalline solid
Nickel ammonium sulfate is a green crystalline solid. Mildly toxic, carcinogenic.
When heated to decomposition it emits highly toxic fumes of metallic nickel, oxides of sulfur, and oxides of nitrogen. The primary hazard is the threat to the environment.Immediate steps should be taken to limit its spread to the environment. It is used for electroplating nickel
