Nickel sulfate
CAS 7786-81-4NiO4S154.76 g/mol
Nickel sulfate is a metal sulfate having nickel(2+) as the metal ion. It has a role as an allergen. It contains a nickel(2+).
IUPAC: nickel(2+) sulfate
PubChem
Physical & Chemical Properties
| Melting Point | 1558 °F (decomposes) (NTP, 1992) |
| Boiling Point | Decomposes (NTP, 1992) |
| Density | 3.68 at 68 °F (USCG, 1999) - Denser than water; will sink |
| Solubility | 27.3 to 27.7 % weight % at 68 °F (NTP, 1992) |
| Appearance | Anhydrous nickel sulfate is a yellow-green crystalline solid. Nickel sulfate can also be obtained as a hexahydrate (NiSO4.6H2O (CAS: 10101-97-0) which is blue to emerald green, and as a heptahydrate (NiSO4.7H2O) (CAS: 10101-98-1) , which is green. Samples can contain variable quantities of water, depending on their previous exposure to moisture or conditions. All forms are mildly toxic and are carcinogenic. All are denser than water. The primary hazard is the threat to the environment. Immediate steps should be taken to limit its spread to the environment. Used to make other nickel compounds, in printing, and in dyeing of textiles. |
Data: PubChem · Last updated: 4/20/2026
GHS Classification
No GHS classification data available.
Classification data is sourced from ECHA.
Regulatory Compliance
TSCA
Listed
note: Status based on EPA TSCA Active Inventory · inventory name: TSCA Chemical Substance Inventory
View sourceGlobal Trade Intelligence
No trade flow data available for this chemical.
HS Code(s): 2833
Data: UN Comtrade
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