Nickel
Synonym(s):;Nickel;Nickel sponge;Raney Ni
- CAS NO.:7440-02-0
- Empirical Formula: Ni
- Molecular Weight: 58.69
- MDL number: MFCD00011137
- EINECS: 231-111-4
- SAFETY DATA SHEET (SDS)
- Update Date: 2024-04-26 17:21:34
What is Nickel?
Description
Nickel is a hard, silvery white, malleable metal chunk or grey powder. Nickel powder is pyrophoric – can ignite spontaneously. It may react violently with titanium, ammonium nitrate, potassium perchlorate, and hydrazoic acid. It is incompatible with acids, oxidising agents, and sulphur. The industrially important nickel compounds are nickel oxide (NiO), nickel acetate (Ni(C2H3O2), nickel carbonate (NiCO3), nickel carbonyl (Ni(CO)4), nickel subsulphide (NiS2), nickelocene (C5H5)2Ni, and nickel sulphate hexahydrate (NiSO4 · 6H2O).
Nickel compounds have been well established as human carcinogens. Investigations into the molecular mechanisms of nickel carcinogenesis have revealed that not all nickel compounds are equally carcinogenic: certain water-insoluble nickel compounds exhibit potent carcinogenic activity, whereas highly water-soluble nickel compounds exhibit less potency. The reason for the high carcinogenic activity of certain water-insoluble nickel compounds relates to their bioavailability and the ability of the nickel ions to enter cells and reach chromatin. The water-insoluble nickel compounds enter cells quite efficiently via phagocytic processes and subsequent intracellular dissolution. Nickel is classified as a borderline metal ion because it has both soft and hard metal properties and it can bind to sulphur, nitrogen, and oxygen groups. Nickel ions are very similar in structure and coordination properties to magnesium.
The Uses of Nickel
Nickel-plating; for various alloys such as new silver, Chinese silver, German silver; for coins, electrotypes, storage batteries; magnets, lightning-rod tips, electrical contacts and electrodes, spark plugs, machinery parts; catalyst for hydrogenation of oils and other organic substances. See also Raney nickel. manufacture of Monel metal, stainless steels, heat resistant steels, heat and corrosion resistant alloys, nickel-chrome resistance wire; in alloys for electronic and space applications.
The Uses of Nickel
To a shaker flask was added the SM (crude, 32.4 g, 138 mmol), EtOH (100 mL), and Raney Ni (1.00 g, 17.04 mmol). The flask was charged with H2 (275 kPa) and was agitated until the absorption of H2 ceased. The vessel was depressurized and the catalyst was removed via filtration. The filtrate was concentrated to dryness, diluted with MTBE, and filtered again. The filtrate was concentrated and the resulting residue was stirred in hexane. The solids were filtered, washed with cold hexane, and dried in vacuo to provide the product as a dark solid. [17.8 g, 63%]
Properties of Nickel
Melting point: | 1453 °C (lit.) |
Boiling point: | 2732 °C (lit.) |
Density | 8.9 g/mL at 25 °C (lit.) |
storage temp. | no restrictions. |
form | wire |
appearance | Grey powder |
color | White to gray-white |
Odor | Odorless |
Water Solubility | It is insoluble in water. |
Sensitive | air sensitive |
Safety information for Nickel
Signal word | Danger |
Pictogram(s) |
Exclamation Mark Irritant GHS07 Health Hazard GHS08 |
GHS Hazard Statements |
H317:Sensitisation, Skin H351:Carcinogenicity H372:Specific target organ toxicity, repeated exposure |
Precautionary Statement Codes |
P201:Obtain special instructions before use. P202:Do not handle until all safety precautions have been read and understood. P260:Do not breathe dust/fume/gas/mist/vapours/spray. P280:Wear protective gloves/protective clothing/eye protection/face protection. P302+P352:IF ON SKIN: wash with plenty of soap and water. P308+P313:IF exposed or concerned: Get medical advice/attention. |
Computed Descriptors for Nickel
InChIKey | PXHVJJICTQNCMI-UHFFFAOYSA-N |
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