Names | |
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IUPAC name | |
Other names Nickel hydroxide, Theophrastite | |
Identifiers | |
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ChemSpider | |
ECHA InfoCard | 100.031.813 |
EC Number |
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RTECS number | |
CompTox Dashboard(EPA) | |
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Properties | |
Ni(OH)2 | |
Molar mass | 92.724 g/mol (anhydrous) 110.72 g/mol (monohydrate) |
Appearance | green crystals |
Density | 4.10 g/cm3 |
Melting point | 230 °C (446 °F; 503 K) (anhydrous, decomposes) |
0.13 g/L | |
+4500.0·10−6 cm3/mol | |
Structure[1] | |
hexagonal, hP3 | |
P3m1, No. 164 | |
α = 90°, β = 90°, γ = 120° | |
Thermochemistry | |
79 J·mol−1·K−1[2] | |
Std enthalpy of formation(ΔfH⦵298) | −538 kJ·mol−1[2] |
Hazards | |
Safety data sheet | External SDS |
GHS pictograms | [3] |
GHS Signal word | Danger[3] |
H302, H332, H315, H334, H317, H341, H350, H360, H372[3] | |
P260, P284, P201, P280, P405, P501[3] | |
Lethal dose or concentration (LD, LC): | |
1515 mg/kg (oral, rat) | |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). | |
verify (what is ?) | |
Infobox references |