Silicon
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- $30 - $4095.65
- Product name: Silicon
- CAS: 7440-21-3
- MF: H4Si
- MW: 32.12
- EINECS:231-130-8
- MDL Number:MFCD00085311
- Synonyms:PERCHLORATEE;Silicon Optical Window, 25.4mm (1.0 in.) dia. x 1mm (0.04 in.) thick, Uncoated, Clear Aperture 85%, Surface Finsh 40/20;Silicon standard solution, 1 mg/ml Si in 2% NaOH;Silicon plate, 6.35mm (0.25 in.) thick;Silicon Optical Window, 25.4mm (1.0 in.) dia. x 2mm (0.08 in.) thick, Uncoated, Clear Aperture 85%, Surface Finsh 40/20;Silicon rod, 2.5cm (0.98 in.) dia.;Silicon granular, Virgin poly fines;Silicon rod, 5.08cm (2.0 in.) dia.
244 prices
Selected condition：
Brand
- A2B
- Apolloscientific
- Chem-Impex
- ProChem
- Sigma-Aldrich
- Strem Chemicals
- Thermo Scientific Chemicals
- TRC
Package
- 100 x 100 mm
- 5G
- 10g
- 25g
- 40g
- 50g
- 50mL
- 50 x 50 mm
- 1ea
- 100g
- 2ea
- 100gm
- 100mL
- 250g
- 5ea
- 1each
- 500g
- 500ml
- 1set
- 500gm
- 1KG
- 25 x 25 mm
- 2kg
- 2.5kg
- 1Ea.
- 1 kg
- 2 g
- 5 kg
- 10 mm
- 10 g
- 50 g
- 100 mm
- 100 g
- 250 g
- 500 g
- ManufacturerA2B
- Product numberAB78970
- Product descriptionSilicon min.97%
- Packaging25g
- Price$340
- Updated2021-12-16
- Buy
- ManufacturerApolloscientific
- Product numberIN3181
- Product descriptionSilicon, powder -100 mesh 99.9%
- Packaging500g
- Price$534
- Updated2026-06-04
- Buy
- ManufacturerApolloscientific
- Product numberIN3181
- Product descriptionSilicon, powder -100 mesh 99.9%
- Packaging100g
- Price$146
- Updated2026-06-04
- Buy
- ManufacturerChem-Impex
- Product number47111
- Product descriptionSilicon powder (-325mesh) ≥99.999%(Tracemetalsbasis)
- Packaging100G
- Price$194.4
- Updated2026-05-19
- Buy
- ManufacturerChem-Impex
- Product number47102
- Product descriptionSilicon nanopowder (100 nm) ≥99%(Tracemetalsbasis)
- Packaging25G
- Price$192
- Updated2026-05-19
- Buy
- ManufacturerChem-Impex
- Product number47109
- Product descriptionSilicon nanopowder (~ 30 nm) ≥98.5%(Tracemetalsbasis)
- Packaging5G
- Price$226.8
- Updated2026-05-19
- Buy
- ManufacturerChem-Impex
- Product number47104
- Product descriptionSilicon nanopowder ( 50~80 nm) ≥99%(Tracemetalsbasis)
- Packaging25G
- Price$256
- Updated2026-05-19
- Buy
- ManufacturerChem-Impex
- Product number47112
- Product descriptionSilicon powder (-200/+325mesh) ≥99.9%(Tracemetalsbasis)
- Packaging500G
- Price$259.2
- Updated2026-05-19
- Buy
- ManufacturerChem-Impex
- Product number47106
- Product descriptionSilicon nanopowder (500 nm) ≥99.9%(Tracemetalsbasis)
- Packaging100G
- Price$264
- Updated2026-05-19
- Buy
- ManufacturerChem-Impex
- Product number47106
- Product descriptionSilicon nanopowder (500 nm) ≥99.9%(Tracemetalsbasis)
- Packaging25G
- Price$78
- Updated2026-05-19
- Buy
- ManufacturerChem-Impex
- Product number47112
- Product descriptionSilicon powder (-200/+325mesh) ≥99.9%(Tracemetalsbasis)
- Packaging1KG
- Price$469.8
- Updated2026-05-19
- Buy
- ManufacturerChem-Impex
- Product number47110
- Product descriptionSilicon nanopowder (~ 50 nm) ≥98.5%(Tracemetalsbasis)
- Packaging25G
- Price$502.2
- Updated2026-05-19
- Buy
- ManufacturerChem-Impex
- Product number47104
- Product descriptionSilicon nanopowder ( 50~80 nm) ≥99%(Tracemetalsbasis)
- Packaging100G
- Price$641.5
- Updated2026-05-19
- Buy
- ManufacturerChem-Impex
- Product number47111
- Product descriptionSilicon powder (-325mesh) ≥99.999%(Tracemetalsbasis)
- Packaging1KG
- Price$644.8
- Updated2026-05-19
- Buy
- ManufacturerChem-Impex
- Product number47111
- Product descriptionSilicon powder (-325mesh) ≥99.999%(Tracemetalsbasis)
- Packaging500G
- Price$356.4
- Updated2026-05-19
- Buy
- ManufacturerChem-Impex
- Product number47107
- Product descriptionMonocrystalline silicon flakes (<1 micron) ≥97%(Tracemetalsbasis)
- Packaging100G
- Price$316
- Updated2026-05-19
- Buy
| Manufacturer | Product number | Product description | Packaging | Price | Updated | Buy |
|---|---|---|---|---|---|---|
| A2B | AB78970 | Silicon min.97% | 25g | $340 | 2021-12-16 | Buy |
| Apolloscientific | IN3181 | Silicon, powder -100 mesh 99.9% | 500g | $534 | 2026-06-04 | Buy |
| Apolloscientific | IN3181 | Silicon, powder -100 mesh 99.9% | 100g | $146 | 2026-06-04 | Buy |
| Chem-Impex | 47111 | Silicon powder (-325mesh) ≥99.999%(Tracemetalsbasis) | 100G | $194.4 | 2026-05-19 | Buy |
| Chem-Impex | 47102 | Silicon nanopowder (100 nm) ≥99%(Tracemetalsbasis) | 25G | $192 | 2026-05-19 | Buy |
| Chem-Impex | 47109 | Silicon nanopowder (~ 30 nm) ≥98.5%(Tracemetalsbasis) | 5G | $226.8 | 2026-05-19 | Buy |
| Chem-Impex | 47104 | Silicon nanopowder ( 50~80 nm) ≥99%(Tracemetalsbasis) | 25G | $256 | 2026-05-19 | Buy |
| Chem-Impex | 47112 | Silicon powder (-200/+325mesh) ≥99.9%(Tracemetalsbasis) | 500G | $259.2 | 2026-05-19 | Buy |
| Chem-Impex | 47106 | Silicon nanopowder (500 nm) ≥99.9%(Tracemetalsbasis) | 100G | $264 | 2026-05-19 | Buy |
| Chem-Impex | 47106 | Silicon nanopowder (500 nm) ≥99.9%(Tracemetalsbasis) | 25G | $78 | 2026-05-19 | Buy |
| Chem-Impex | 47112 | Silicon powder (-200/+325mesh) ≥99.9%(Tracemetalsbasis) | 1KG | $469.8 | 2026-05-19 | Buy |
| Chem-Impex | 47110 | Silicon nanopowder (~ 50 nm) ≥98.5%(Tracemetalsbasis) | 25G | $502.2 | 2026-05-19 | Buy |
| Chem-Impex | 47104 | Silicon nanopowder ( 50~80 nm) ≥99%(Tracemetalsbasis) | 100G | $641.5 | 2026-05-19 | Buy |
| Chem-Impex | 47111 | Silicon powder (-325mesh) ≥99.999%(Tracemetalsbasis) | 1KG | $644.8 | 2026-05-19 | Buy |
| Chem-Impex | 47111 | Silicon powder (-325mesh) ≥99.999%(Tracemetalsbasis) | 500G | $356.4 | 2026-05-19 | Buy |
| Chem-Impex | 47107 | Monocrystalline silicon flakes (<1 micron) ≥97%(Tracemetalsbasis) | 100G | $316 | 2026-05-19 | Buy |
Properties
Melting point :1410 °C(lit.)
Boiling point :2355 °C(lit.)
bulk density :0.07-0.08g/cm3
Density :2.33 g/mL at 25 °C(lit.)
Flash point :2.33
storage temp. :Flammables area
solubility :insoluble in H2O, acid solutions; soluble in alkaline solutions
form :powder
Specific Gravity :2.42
color :White
PH :13.5 (H2O, 20°C)
Odor :Odorless
Water Solubility :INSOLUBLE
Electrical Conductivity :1000 S/m
Thermal Conductivity :150 W/(m·K)
semiconductor properties :<111>P-type
Crystal Structure :Cubic, Diamond Structure - Space Group Fd3m
Sensitive :Air Sensitive
Merck :13,8565
Exposure limits :ACGIH: TWA 2.5 mg/m3
NIOSH: IDLH 250 mg/m3; TWA 2.5 mg/m3 Dielectric constant :2.4（Ambient）
Stability :Stable. Fine powder is highly flammable. Incompatible with oxidizing agents, bases, carbonates, alkali metals, lead and aluminium oxides, halogens, carbides, formic acid.
Cosmetics Ingredients Functions :ABRASIVE
InChI :1S/Si
InChIKey :BLRPTPMANUNPDV-UHFFFAOYSA-N
SMILES :[Si]
Bulk Modulus :98.74 GPa
Hardness, Mohs :7.0
Modulus of Elasticity :112.4 GPa
Poissons Ratio :0.28
Knoop Microhardness :11270, N/mm2 Microhardness
Shear Modulus :43.9 GPa, Calculated
CAS DataBase Reference :7440-21-3(CAS DataBase Reference)
NIST Chemistry Reference :Silicon(7440-21-3)
EPA Substance Registry System :Silicon (7440-21-3)
Boiling point :2355 °C(lit.)
bulk density :0.07-0.08g/cm3
Density :2.33 g/mL at 25 °C(lit.)
Flash point :2.33
storage temp. :Flammables area
solubility :insoluble in H2O, acid solutions; soluble in alkaline solutions
form :powder
Specific Gravity :2.42
color :White
PH :13.5 (H2O, 20°C)
Odor :Odorless
Water Solubility :INSOLUBLE
Electrical Conductivity :1000 S/m
Thermal Conductivity :150 W/(m·K)
semiconductor properties :<111>P-type
Crystal Structure :Cubic, Diamond Structure - Space Group Fd3m
Sensitive :Air Sensitive
Merck :13,8565
Exposure limits :ACGIH: TWA 2.5 mg/m3
NIOSH: IDLH 250 mg/m3; TWA 2.5 mg/m3 Dielectric constant :2.4（Ambient）
Stability :Stable. Fine powder is highly flammable. Incompatible with oxidizing agents, bases, carbonates, alkali metals, lead and aluminium oxides, halogens, carbides, formic acid.
Cosmetics Ingredients Functions :ABRASIVE
InChI :1S/Si
InChIKey :BLRPTPMANUNPDV-UHFFFAOYSA-N
SMILES :[Si]
Bulk Modulus :98.74 GPa
Hardness, Mohs :7.0
Modulus of Elasticity :112.4 GPa
Poissons Ratio :0.28
Knoop Microhardness :11270, N/mm2 Microhardness
Shear Modulus :43.9 GPa, Calculated
CAS DataBase Reference :7440-21-3(CAS DataBase Reference)
NIST Chemistry Reference :Silicon(7440-21-3)
EPA Substance Registry System :Silicon (7440-21-3)
Safety Information
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| Signal word: | Warning | ||||||||||||||
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Description
Silicon sputtering target in ultra high purity silicon is used in the semiconductor industry as a result of its semiconducting properties. It is used as an alloying element in the manufacture of certain alloys (e.g. ferrosilicon, an alloy of iron and silicon which is used to introduce silicon into steel and cast iron). It is also used in the manufacture of glass and computer microchips.Related product price
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Sodium silicate
$21-8034 -
Barium titanate
$14-2631.67 -
Silicon carbide
$10-1580
Suppliers and manufacturers
Henan Tianfu Chemical Co.,Ltd.
Neostar United (Changzhou) Industrial Co., Ltd.
SIMAGCHEM CORP
Hefei TNJ Chemical Industry Co.,Ltd.
Shaanxi Dideu Medichem Co. Ltd
Zhuoer Chemical Co., Ltd
CD Chemical Group Limited
changzhou huayang technology co., ltd
