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1303-18-0
1303-18-0
Name
arsenopyrite
CAS
1303-18-0
Molecular Formula
AsFeS
Molecular Weight
162.833
MOL File
1303-18-0.mol
Synonyms
arsenopyrite
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Chemical Properties
Melting point
702 °C
CAS DataBase Reference
1303-18-0
Safety Data
Safety Profile
Poison by intravenous route. When heated to decomposition it emits very toxic fumes of As and Sox
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Toxicity
LD ipr-rat: >10 g/kg GTPZAB 28(7),53,84
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Hazard Information
Definition
ChEBI: A sulfide mineral with formula AsFeS. It is the most abundant and widespread arsenic mineral.
Chemical Properties
Arsenopyrite, FeAsS, crystals to 4 mm. Hidalgo del Parral, Chihuahua, Mexico.
Physical properties
Habit: faces striated, euhedral crystals, prismatic.
Color: tin white or light steel gray.
Luster: metallic.
Diaphaneity: opaque.
Streak: black.
Cleavage: {110} distinct.
Twinning: {100}, {101}, {012}.
Fracture: uneven, brittle. Electrical resistivity 20 to 300 μΩ.cm.
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