Hematite

Basic information General Description Safety Related Supplier

Hematite Basic information

Product Name:
Hematite
CAS:
1317-60-8
MF:
Fe2O3
MW:
159.69
EINECS:
215-275-4
Mol File:
1317-60-8.mol
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Hematite Chemical Properties

Melting point:
1538 °C
Density 
5.24
Flash point:
>230 °F
form 
Powder
color 
red
CAS DataBase Reference
1317-60-8(CAS DataBase Reference)
EPA Substance Registry System
Hematite (1317-60-8)
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Safety Information

Hazard Codes 
Xi
Risk Statements 
36/37/38
Safety Statements 
26
WGK Germany 
-
RTECS 
NO7400000
Hazardous Substances Data
1317-60-8(Hazardous Substances Data)

MSDS

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Hematite Usage And Synthesis

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.

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

Steel gray to black crystals or as ready earthy material.

Chemical Properties

Hematite is a noncombustible, black to black red or brick-red mineral (iron ore) composed mainly of ferric oxide, Fe2O3. Ferric oxide

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
 
 

Definition

Fe 2O3 with impurities.

Definition

A mineral form of iron(III) oxide. It is the principal ore of iron.

Definition

A mineral form ofiron(III) oxide, Fe2O3. It is the mostimportant ore of iron and usually occursin two main forms: as a massivered kidney-shaped ore (kidney ore)and as grey to black metallic crystalsknown as specular iron ore.Haematite is the major red colouringagent in rocks; the largest depositsare of sedimentary origin. Inindustry haematite is also used as apolishing agent (jeweller’s rouge) andin paints.

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.

Incompatibilities

Contact with hydrogen peroxide, ethyl ene oxide, calcium hypochlorite will cause explosion. Violent reaction with powdered aluminum; hydrazine, hydrogen trisulfide.

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&region=CN 4.http://creationwiki.org/Iron_oxide 5.http://chemistry-reference.com/q_compounds.asp?CAS=1309-37-1 6.http://www.chemicalbook.com/ProductChemicalPropertiesCB31456867.htm

Hematite Preparation Products And Raw materials

Preparation Products

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xg01_gj@163.com
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