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Name |
Zirconium dihydride |
EINECS | 231-727-3 |
CAS No. | 7704-99-6 | Density | 5.6 g/cm3 (20ºC) |
PSA | 0.00000 | LogP | 0.00000 |
Solubility | Insoluble | Melting Point |
1857oC |
Formula | H2Zr | Boiling Point | °Cat760mmHg |
Molecular Weight | 93.23 . | Flash Point | None flammable |
Transport Information | 143 | Appearance | gray-black powder |
Safety | Risk Codes | 11-36/37/38 | |
Molecular Structure | Hazard Symbols | 4.1 UN NO. | |
Synonyms |
Zirconiumdihydride; Zirconium hydride |
Product Name: Zirconium hydride (CAS NO.7704-99-6)
Molecular Formula: H2Zr
Molecular Weight: 93.24g/mol
Mol File: 7704-99-6.mol
Einecs: 231-727-3
Appearance: Gray-black powder
Melting Point: 800°C (decomposes)
Density: 5.60 g/cm3
Water Solubility: Insoluble
Sensitive: Moisture Sensitive
H-Bond Donor: 0
H-Bond Acceptor: 0
Heavy Atom Count: 1
Product Categories: Catalysis and Inorganic Chemistry; Materials for Hydrogen Storage; Metal HydridesAlternative Energy; Metal HydridesChemical Synthesis; Reduction; Synthetic Reagents; Zirconium
Zirconium hydride (CAS NO.7704-99-6) is used in powder metallurgy, as a hydrogenation catalyst, and as a reducing agent, vacuum tube getter, and a foaming agent in production of metal foams. It is also used as a neutron moderator in thermal-spectrum nuclear reactors such as the TRIGA research reactor developed by General Atomics or the Soviet TOPAZ nuclear reactors. Other uses include acting as a fuel in pyrotechnic compositions, namely pyrotechnic initiators.
1. | itr-rat TDLo:45 g/kg/26W-I | GISAAA Gigiena i Sanitariya. 37 (7)(1972),36. |
Reported in EPA TSCA Inventory.
Safety Information of Zirconium hydride (CAS NO.7704-99-6):
Hazard Codes: F
Risk Statements: 11-36/37/38
11: Highly Flammable
36: Irritating to the eyes
37: Irritating to the respiratory system
38: Irritating to the skin
Safety Statements: 24/25-43-7/8
7: Keep container tightly closed
8: Keep container dry
24: Avoid contact with skin
25: Avoid contact with eyes
43: In case of fire, use ... (indicate in the space the precise type of fire-fighting equipment. If water increases the risk add - Never use water)
OSHA PEL: TWA 5 mg(Zr)/m3; STEL 10 mg(Zr)/m3
ACGIH TLV: TWA 5 mg(Zr)/m3; STEL 10 mg(Zr)/m3; Not Classifiable as a Human Carcinogen
DFG MAK: 1 mg(Zr)/m3
DOT Classification: 4.1; Label: Flammable Solid
Zirconium hydride ,its CAS NO. is 7704-99-6,the synonyms is Zirconium dihydride ; Zirconium(ii) bydride ; Zirconium(ii) hydride ; Dihydridezirconium(ii) ; Dihydrogen zirconium(ii) salt .