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| CAS No.: | 12068-85-8 |
|---|---|
| Name: | PYRITE |
| Molecular Structure: | |
|
|
|
| Formula: | FeS2 |
| Molecular Weight: | 119.979 |
| Synonyms: | Ferrousdisulfide;Iron disulfide;Iron disulfide (FeS2);iron pyrite;IRON DISULFIDE;IRON SULPHIDE NATURAL POWDER PRS;EISEN(II)-DISULFID, PULVER, SLR, EXTRA PURE;(0698) IRON SULFIDE;ferric sulfide;IRON (III) SULFIDE;ferric oxide yellow;IRON SULFIDE;ferric acid;dodecacarbonyltriiron;Iron disulfide;IRON(II) DISULFIDE, EXTRA PURE, SLR, POWDER;tri-iron dodecacarbonyl;dodecacarbonyl-triangulo-tri-iron;iron dodecarbonyl; |
| EINECS: | 235-106-8 |
| Density: | g/cm3 |
| Melting Point: | 1171°C |
| Boiling Point: | °Cat760mmHg |
| Flash Point: | °C |
| Solubility: | Insoluble in water. |
| Hazard Symbols: | Xi |
| Risk Codes: | R32; R36/37/38 |
| Safety: | A poison by inhalation and ingestion. The powdered sulfide ignites spontaneously in air and some air-powder mixtures may be explosive. Trace carbon lowers the ignition temperature in air to 228°C and increases the sensitivity of air-dust mixtures. Heats up spontaneously and ignites with combustibles. Incompatible with water. When heated to decomposition or in reaction with acid or acid fumes it emits very toxic fumes of SOx. See also IRON COMPOUNDS, SULFIDES, and HYDROGEN SULFIDE. |
| Transport Information: | UN3178 |
| PSA: | 64.18000 |
| LogP: | 1.29390 |
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thiozone
- 19269-85-3
sulfur
- 7439-89-6
iron
C
- 12068-85-8
ferric sulfide
D
- 142848-03-1
SFeS(1-)
E
- 150346-58-0
Fe(S2)2
| Conditions | Yield |
|---|---|
| In solid matrix Nd:YAG laser focused onto metal target (5-10 mJ/pulse), Fe atoms were codeposited with S(x)/Ar mixt. (microwave discharge in Ar seeded with S vapor) onto CsI window cooled to 7 K, annealing to 40 K; IR spect. monitoring, not isolated; |
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Chemistry
Molecular Structure of Iron disulfide (CAS NO. 12068-85-8):
EINECS: 235-106-8
Chemical Name: Iron disulfide
Molecular Formula: FeS2
Molecular Weight: 119.975000 g/mol
H-Bond Donor: 0
H-Bond Acceptor: 2
InChI: InChI=1S/Fe.S2/c;1-2/q+2;-2
InChIKey: NIFIFKQPDTWWGU-UHFFFAOYSA-N
Enthalpy of Vaporization: 29.93 kJ/mol
Boiling Point: 70.7 °C at 760 mmHg
Vapour Pressure: 139 mmHg at 25 °C
Melting Point: 1171°C
Uses
More than 85 per cent of iron ore is used to make sulfuric acid, followed by sulfur.Pyrite can be used as a combination of copper, lead, zinc, silver, gold, cobalt, nickel, etc.
Consensus Reports
Reported in EPA TSCA Inventory.
Safety Profile
Safety Information of Iron disulfide (CAS NO. 12068-85-8):
Risk Statements: 32-36/37/38
R32:Contact with acid liberates very toxic gas
R36/37/38:Irritating to eyes, respiratory system and skin
Safety Statements: 26-36/37/39
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice
S36/37/39:Wear suitable protective clothing, gloves and eye/face protection
RIDADR: UN3178
HazardClass: 4.1
PackingGroup: III
A poison by inhalation and ingestion. The powdered sulfide ignites spontaneously in air and some air-powder mixtures may be explosive. Trace carbon lowers the ignition temperature in air to 228°C and increases the sensitivity of air-dust mixtures. Heats up spontaneously and ignites with combustibles. Incompatible with water. When heated to decomposition or in reaction with acid or acid fumes it emits very toxic fumes of SOx. See also IRON COMPOUNDS, SULFIDES, and HYDROGEN SULFIDE.
Specification
Iron disulfide with cas registry number of 12068-85-8 is also called for Iron sulfide (FeS2) .