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Ferric silicon(8049-17-0)

Ferric silicon(8049-17-0)
Product IdentificationBack to Contents
【Product Name】

Ferric silicon
【Synonyms】

Ferric silicon
Iron disilicide
【CAS】

8049-17-0
【Formula】

FeSi2
【Molecular Weight】

112.01
【RTECS】

LK1400000
【RTECS Class】

Other
【Beilstein/Gmelin】

17823 (G)
Physical and Chemical PropertiesBack to Contents
【Appearance】

Odorless, crystalline solid.
【Solubility in water】

Insoluble
【Melting Point】

153.5
【Density】

5.4 g/cm3 (20 C)
【Usage】

Used to add silicon to iron and steel.
First Aid MeasuresBack to Contents
【Ingestion】

Seek medical assistance.
【Inhalation】

Remove to fresh air. If breathing has stopped, give artificial respiration. If breathing is difficult, give oxygen.
【Skin】

Remove contaminated clothing and shoes. Flush with water.
【Eyes】

Flush with water for at least 15 min., lifting lids occasionally.
Handling and StorageBack to Contents
【Storage】

Keep in a cool, dry, dark location in a tightly sealed container or cylinder. Keep away from incompatible materials, ignition sources and untrained individuals. Secure and label area. Protect containers/cylinders from physical damage.
【Handling】

All chemicals should be considered hazardous. Avoid direct physical contact. Use appropriate, approved safety equipment. Untrained individuals should not handle this chemical or its container. Handling should occur in a chemical fume hood.
Hazards IdentificationBack to Contents
【Inhalation】

Highly toxic: contact with water produces toxic gas, may be fatal if inhaled. Inhalation or contact with vapors, substance, or decomposition products may cause severe injury or death.
【Skin】

See Inhalation.
【Eyes】

May cause burns.
【Hazards】

Irritating vapors and toxic gases may be formed when involved in fire.
【UN (DOT)】

1408
Exposure Controls/Personal ProtectionBack to Contents
【Personal Protection】

Wear appropriate protective gloves, clothing and goggles.
【Respirators】

Wear positive pressure self-contained breathing apparatus (SCBA).
【Exposure Effects】

The toxological properties of this substance have not been fully investigated.
Fire Fighting MeasuresBack to Contents
【Fire Fighting】

Use dry chemical, graphite, or dry earth. Do not use water on material itself. Cool all affected containers with flooding quantities of water. Apply water from as far a distance as possible.
Accidental Release MeasuresBack to Contents
【Small spills/leaks】

Keep material out of water sources and sewers. Build dikes to contain flow as necessary. Keep material dry. Do not use water on material itself. Attempt to stop leak if without undue personnel hazard.
Stability and ReactivityBack to Contents
【Incompatibilities】

May react very rapidly Reacts exothermically with compounds having active hydrogen atoms (such as acids and water) to form flammable hydrogen gas and caustic products May react with azo/diazo compounds to form explosive products Can react explosively with oxidizing materials.
【Stability】

No data.
【Combustion Products】

Irritating vapors and toxic gases may be formed when involved in fire.
Transport InformationBack to Contents
【UN Number】

1408
【Hazard Class】

4.3
【Packing Group】

III
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