| Identification | More | [Name]
Hematite | [CAS]
1317-60-8 | [Synonyms]
ALPHA-IRON(III) OXIDE
BROWN IRON OXIDE
BURNT UMBER
COPPERAS RED IRON OXIDES
E 172
EISENOXID ROT
FERRIC OXIDE
FERRIC OXIDE, BROWN
FERRIC OXIDE, RED
FERRISPEC(R) PL RED IRON OXIDE
FERRISPEC(TM) GC
HAEMATITE
HEMATITE
IRON(+3)OXIDE
IRON(III) OXIDE
IRON (III) OXIDE, ALPHA
IRON (III) OXIDE, GAMMA
IRON(III) OXIDE RED
IRON OXIDE
IRON OXIDE PIGMENT RED | [EINECS(EC#)]
215-168-2 | [Molecular Formula]
Fe2O3 | [MDL Number]
MFCD00011008 | [Molecular Weight]
159.69 | [MOL File]
1317-60-8.mol |
| Chemical Properties | Back Directory | [Definition]
Fe
2O3 with impurities. | [Appearance]
Hematite is a noncombustible, black to black red or brick-red mineral (iron ore) composed mainly of
ferric oxide, Fe2O3. Ferric oxide | [Melting point ]
1538 °C | [density ]
5.24
| [Fp ]
>230 °F
| [form ]
pieces
| [color ]
red | [Dielectric constant]
1.9（Ambient） | [CAS DataBase Reference]
1317-60-8(CAS DataBase Reference) | [IARC]
3 (Vol. 1, Sup 7) 1987 | [EPA Substance Registry System]
1317-60-8(EPA Substance) |
| Safety Data | Back Directory | [Hazard Codes ]
Xi | [Risk Statements ]
R36/37/38:Irritating to eyes, respiratory system and skin . | [Safety Statements ]
S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice . | [WGK Germany ]
-
| [RTECS ]
NO7400000
| [Hazardous Substances Data]
1317-60-8(Hazardous Substances Data) |
| Hazard Information | Back Directory | [Hazard]
Benign pneumoconiosis. | [Potential Exposure]
Hematite; as an iron ore composed
mainly of ferric oxide, is a major source of iron and is used
as a pigment for rubber, paints, paper, linoleum, ceramics,
dental restoratives; and as a polishing agent for glass and pre cious metals. It is also used in electrical resistors, semiconduc tors, magnets, and as a catalyst. Human exposure to hematite
from underground hematite mining is principally through
inhalation and/or ingestion of dusts. No estimates are available
concerning the number of underground miners exposed. | [First aid]
If this chemical gets into the eyes, remove any
contact lenses at once and irrigate immediately for at least
15 minutes, occasionally lifting upper and lower lids. Seek
medical attention immediately. If this chemical contacts the
skin, remove contaminated clothing and wash immediately
with soap and water. Seek medical attention immediately.
If this chemical has been inhaled, remove from exposure,
begin rescue breathing (using universal precautions, includ ing resuscitation mask) if breathing has stopped and CPR if
heart action has stopped. Transfer promptly to a medical
facility. When this chemical has been swallowed, get medi cal attention. Give large quantities of water and induce
vomiting. Do not make an unconscious person vomit.
| [Incompatibilities]
Contact with hydrogen peroxide, ethyl ene oxide, calcium hypochlorite will cause explosion.
Violent reaction with powdered aluminum; hydrazine,
hydrogen trisulfide. | [Description]
Iron(III) oxide is known in mineral form as hematite, which is the primary form of iron ore.
It is also known simply as iron oxide or ferric oxide and is what is colloquially called rust
when referring to the corrosion of iron objects.
Iron (III) oxide exists in mineral form as hematite.It is 70% iron and is the primary source
of iron ore in the world. About 90% of the iron mined in the United States is hematite. World
production of this ore is more than 1 billion tons. Magnetite and taconite are two other
primary iron oxide minerals used as iron ore.The name hematite comes from the blood-red
color of powdered hematite. | [Chemical Properties]
Hematite is a noncombustible, black to black red or brick-red mineral (iron ore) composed mainly of
ferric oxide, Fe2O3. Ferric oxide | [Chemical Properties]
Steel gray to black crystals or as ready
earthy material. | [Flammability and Explosibility]
Nonflammable | [Structure and conformation]
α-Fe2O3, hematite [1317-60-8], has a corundum structure with color
changes from light red to dark violet with increasing particle size. |
| Questions And Answer | Back Directory | [General Description]
Hematite, also spelled as haematite, is the mineral form of iron(III) oxide (Fe2O3), one of several iron oxides. It is the oldest known Fe oxide mineral and is widespread in rocks and soils. The name hematite is derived from the Greek word for blood α?μα haima, due to the red coloration found in some varieties of hematite.The red chalk writing of this mineral was one of the earliest in the history of humans.Rich deposits of hematite have been found on the island of Elba that have been mined since the time of the Etruscans.
|
| Questions and Answers (Q&A) | Back Directory | [Uses]
Industry
Application
Role/benefit
Iron and Steel Industry
Production of iron, steel, and many alloys
Raw material/source of Fe
Polishing
Final polish of metallic jewelry and lenses
Polishing agent
Pigment
Pigment Brown 6, Pigment Brown 7, and Pigment Red 101
Main components
Magnetic recording
Magnetic disks and magnetic tape
Magnetic particle material
Photocatalysis
Solar water oxidation
Photoanode material
Medicine
Calamine lotion
Active ingredient
| [References]
1.https://en.wikipedia.org/wiki/Iron(III)_oxide#Uses
2.http://study.com/academy/lesson/iron-iii-oxide-formula-molar-mass-uses-solubility.html 3.http://www.sigmaaldrich.com/catalog/product/sigald/12342?lang=zh®ion=CN 4.http://creationwiki.org/Iron_oxide 5.http://chemistry-reference.com/q_compounds.asp?CAS=1309-37-1 6.http://m.is0513.com/ProductChemicalPropertiesCB31456867.htm
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