SILICON

CAS #: 7440-21-3
SKU: 7440-21-3

Silicon powder, amorphous appears as a dark brown powder. Insoluble in water and denser than water. Burns readily when exposed to heat or flames, and may be difficult to extinguish. Water may not be effective in extinguishing flames. Used to make computer microchips.

Additional Information

Additional information

CAS No

7440-21-3

Formula

Si

Synonyms

Silicon metalDefoamer S-10Flots 100SCOSilicon dustPolyeristalline silicon powderCCRIS 6599

Chemical Options

Item No.11333
Molecular Weight200.59
PurityPOWDER, 99% pure
Particle Size-100 +325 mesh
SolubilityInsoluble (NIOSH, 2016)
Melting Point38-degf-uscg-1999
Density13-55-at-68-degf-uscg-1999
Item No.11386
Molecular Weight7439-98-7
PuritySHOT, 99.9999% pure
Particle Size1 mm
SolubilityInsoluble (NIOSH, 2016)
Melting Point4752-degf-niosh-2016
Density10.28 (NIOSH, 2016)
Item No.11551
Molecular Weight95.94
PurityPIECES, 99.9999% pure
Particle Size25 mm and smaller
SolubilityInsoluble (NIOSH, 2016)
Melting Point4752-degf-niosh-2016
Density10.28 (NIOSH, 2016)
Item No.11598
Molecular Weight95.94
PurityBEADS, 99.9999% pure
Particle Size0.3-3.3 mm, typ. 900 mu avg.
SolubilityInsoluble (NIOSH, 2016)
Melting Point4752-degf-niosh-2016
Density10.28 (NIOSH, 2016)
Item No.12046
Molecular Weight95.94
PurityPOWDER, 99.999% pure
Particle Size-325 mesh, typ. 1 mu avg.
SolubilityInsoluble (NIOSH, 2016)
Melting Point4752-degf-niosh-2016
Density10.28 (NIOSH, 2016)
Item No.12332
Molecular Weight95.94
PurityBEADS, 99.99999% pure
Particle Size0.3-3 mm, typ. 900 mu avg.
SolubilityInsoluble (NIOSH, 2016)
Melting Point4752-degf-niosh-2016
Density10.28 (NIOSH, 2016)
Item No.12457
Molecular Weight95.94
PurityPOWDER, 99% pure
Particle Size-140 mesh
SolubilityInsoluble (NIOSH, 2016)
Melting Point4752-degf-niosh-2016
Density10.28 (NIOSH, 2016)
Item No.15113
Molecular Weight58.71
PurityPOWDER, 99% pure
Particle Size-200 mesh
SolubilityInsoluble (NIOSH, 2016)
Melting Point2831-degf-niosh-2016
Density8.9 (Metal) (NIOSH, 2016)
Item No.16067
Molecular Weight58.71
PurityPOWDER, 99% pure
Particle Size-325 mesh
SolubilityInsoluble (NIOSH, 2016)
Melting Point2831-degf-niosh-2016
Density8.9 (Metal) (NIOSH, 2016)
Item No.17557
Molecular Weight58.71
PurityPIECES, 99.9999% pure
Particle Size25-75 mm
SolubilityInsoluble (NIOSH, 2016)
Melting Point2831-degf-niosh-2016
Density8.9 (Metal) (NIOSH, 2016)
Item No.17681
Molecular Weight58.71
PurityPOWDER, 99% pure
Particle Size< 10 microns average
SolubilityInsoluble (NIOSH, 2016)
Melting Point2831-degf-niosh-2016
Density8.9 (Metal) (NIOSH, 2016)
Item No.90117
Molecular Weight58.71
PurityPOWDER, Chemically conforms to MIL-S-230C
Particle SizeGrade I, (FSSS 8-15 micron per MIL-STD-1234, method 202.1)
SolubilityInsoluble (NIOSH, 2016)
Melting Point2831-degf-niosh-2016
Density8.9 (Metal) (NIOSH, 2016)
Item No.90199
Molecular Weight58.71
PurityPOWDER, 99.999% pure
Particle Size-30 mesh
SolubilityInsoluble (NIOSH, 2016)
Melting Point2831-degf-niosh-2016
Density8.9 (Metal) (NIOSH, 2016)
Item No.90246
Molecular Weight58.71
PurityPOWDER, 99.9995% pure
SolubilityInsoluble (NIOSH, 2016)
Melting Point2831-degf-niosh-2016
Density8.9 (Metal) (NIOSH, 2016)
Item No.90549
Molecular Weight58.71
PurityPOWDER, MIL-S-230C, Grade II, Class C
SolubilityInsoluble (NIOSH, 2016)
Melting Point2831-degf-niosh-2016
Density8.9 (Metal) (NIOSH, 2016)
Item No.90601
Molecular Weight58.71
PurityPOWDER, 99.5% pure, 95%
SolubilityInsoluble (NIOSH, 2016)
Melting Point2831-degf-niosh-2016
Density8.9 (Metal) (NIOSH, 2016)
Item No.90709
Molecular Weight7440-02-0
PurityPIECES, 99.9999% pure
Particle Size1-10 mm
SolubilityInsoluble (NIOSH, 2016)
Melting Point2831-degf-niosh-2016
Density8.9 (Metal) (NIOSH, 2016)

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