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25658-42-8

Name Zirconium nitride
CAS 25658-42-8
EINECS(EC#) 247-166-2
Molecular Formula N4Zr3
MDL Number MFCD00049642
Molecular Weight 329.7
MOL File 25658-42-8.mol
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Chemical Properties

Appearance Mohs hardness 8+. Slightly soluble in dilute hydrochloric acid and sulfuric acid; soluble in concentrated acids.
Melting point  2980°C
density  7.09 g/mL at 25 °C(lit.)
solubility  soluble in concentrated HF; slightly soluble in dilute acid solutions
form  powder
color  brown
Specific Gravity 7.09
Resistivity 13.6 (ρ/μΩ.cm)
Water Solubility  Soluble in hydrofluoric acid. Insoluble in water.
Crystal Structure Cubic
Exposure limits ACGIH: TWA 5 mg/m3; STEL 10 mg/m3
NIOSH: IDLH 25 mg/m3; TWA 5 mg/m3; STEL 10 mg/m3
Uses
Zirconium nitride (ZrN) is a hard ceramic material similar to TiN. It is commonly used for coating medical devices, industrial parts (e.g., notably drill bits), automotive and aerospace components and other parts subject to high wear and corrosive environments. ZrN is light gold in color, similar to elemental gold. Hafnium nitride (HfN) is one of the refractory metallic compounds having a melting point of 3310°C.
CAS DataBase Reference 25658-42-8(CAS DataBase Reference)
EPA Substance Registry System 25658-42-8(EPA Substance)

Safety Data

RIDADR  UN3178
WGK Germany  3
TSCA  Yes
HazardClass  4.1
PackingGroup  III

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