Silicon

Silicon(IV) oxide, 99.999% (metals basis), Alfa Aesar™, Puratronic™

Chemical Name or Material: Silicon(IV) oxide CAS: 14808-60-7 Physical Form: Powder or Granules Assay Percent Range: 99.999% (metals basis) Molecular Formula: SiO2 Formula Weight: 60.09 MDL Number: MFCD00011232

Silicone oil, for melting point and boiling point apparatuses, ACROS Organics™

Chemical Name or Material: Silicone oil Name Note: For melting point and boiling point apparatuses CAS: 63148-62-9 MDL Number: MFCD00132673 Synonym: Poly(dimethylsiloxane)

Silicon carbide, beta-phase, Alfa Aesar™

Chemical Name or Material: Silicon carbide Name Note: beta-phase CAS: 409-21-2 Physical Form: Powder Molecular Formula: SiC Formula Weight: 40.1 MDL Number: MFCD00049531

Silica gel, TLC high purity grade, without binder, Alfa Aesar™

Chemical Name or Material: Silica gel CAS: 63231-67-4 Purity Grade: TLC High Purity Grade Physical Form: Powder MDL Number: MFCD00011232

Mullite, White powder, Alfa Aesar™

Chemical Name or Material: Mullite CAS: 1302-93-8 Physical Form: Powder Molecular Formula: 3Al2O3·2SiO2 MDL Number: MFCD00058866 Synonym: Aluminum oxide/silicon oxide

Zeolite, type: ZSM-5, ACROS Organics™ Available on GSA/VA Contract for Federal Government customers only.

Chemical Name or Material: Zeolite CAS: 308081-08-5 MDL Number: MFCD00132601

Sea sand, Washed, ACROS Organics™ Available on GSA/VA Contract for Federal Government customers only.

Chemical Name or Material: Sand Name Note: White quartz CAS: 14808-60-7 Molecular Formula: O2 Si Linear Formula: SiO2 Formula Weight: 60.08 MDL Number: MFCD00011232 Synonym: Quartz

Silicon (IV) oxide, 99.5%, Alfa Aesar™

Chemical Name or Material: Silicon(IV) oxide Name Note: 98.5-99% microcrystalline silicon in the form of quartz CAS: 14808-60-7 Physical Form: Powder or Granules Assay Percent Range: 99.5% Molecular Formula: SiO2 Formula Weight: 60.09 MDL Number: MFCD00011232 Synonym: Silicic anhydride

Silicon(IV) oxide, 40% in H2O, Colloidal dispersion, Alfa Aesar™

Chemical Name or Material: Silicon(IV) oxide Name Note: 40% in H2O CAS: 7631-86-9 Physical Form: Liquid Molecular Formula: SiO2 Formula Weight: 60.09 MDL Number: MFCD00011232

Silicon, +99%, powder, -325 mesh, ACROS Organics™

Chemical Name or Material: Silicon Name Note: -325 mesh CAS: 7440-21-3 Physical Form: Fine Powder Assay Percent Range: 99+% Molecular Formula: Si Formula Weight: 28.09 MDL Number: MFCD00085311

Tetraethoxysilane, 99.9%, Alfa Aesar™

Chemical Name or Material: Tetraethoxysilane CAS: 78-10-4 Physical Form: Liquid Assay Percent Range: 99.9% Molecular Formula: C8H20O4Si Formula Weight: 208.33 MDL Number: MFCD00009062 Synonym: Silicon ethoxide

Silicon(IV) oxide, Amorphous fumed, S.A. 175 to 225m2/g, Alfa Aesar™

Chemical Name or Material: Silicon(IV) oxide CAS: 7631-86-9 Physical Form: Powder Molecular Formula: O2Si Formula Weight: 60.09 MDL Number: MFCD00011232

Sand, Ottawa Products for Science Education

Chemical Name or Material: Sand, Ottawa CAS: 14808-60-7 Formula Weight: 60.08 Synonym: Quartz Silica

Trimethylsilyl cyanide, 98%, ACROS Organics™

Chemical Name or Material: Trimethylsilyl cyanide Assay Percent Range: 98% Molecular Formula: C4H9NSi Linear Formula: (CH3)3SiCN Formula Weight: 99.21 MDL Number: MFCD00001765 Synonym: Cyanotrimethylsilane

Silicon carbide whiskers, 99% (metals basis), Alfa Aesar™

Chemical Name or Material: Silicon carbide whiskers CAS: 409-21-2 Physical Form: Powder/Flake/Crystalline/Beads/Lump, Etc. Assay Percent Range: 99% (metals basis) Molecular Formula: SiC Formula Weight: 40.1 MDL Number: MFCD00049531

Silicon(IV) oxide, 99.995% (metals basis), Alfa Aesar™

Chemical Name or Material: Silicon(IV) oxide CAS: 7631-86-9 Physical Form: Powder Assay Percent Range: 99.995% (metals basis) Molecular Formula: SiO2 Formula Weight: 60.09 MDL Number: MFCD00011232

Silicon(IV) oxide, 40% in H2O, 0.02 micron particles in colloidal dispersion, Alfa Aesar™

Chemical Name or Material: Silicon(IV) oxide Name Note: 40% in H2O CAS: 7631-86-9 Physical Form: Liquid Molecular Formula: SiO2 Formula Weight: 60.09 MDL Number: MFCD00011232

Silicon(IV) chloride, 99% (metals basis), Alfa Aesar™

Chemical Name or Material: Silicon(IV) chloride CAS: 10026-04-7 Physical Form: Liquid Assay Percent Range: 99% (metals basis) Molecular Formula: Cl4Si Formula Weight: 169.9 MDL Number: MFCD00011229 Synonym: Silicon tetrachloride

Infusorial Earth (Pinkish to White Hue Powder ), Fisher Chemical Available on GSA/VA Contract for Federal Government customers only.

Chemical Name or Material: Infusorial Earth CAS: 61790-53-2 Physical Form: Solid MDL Number: MFCD00132803 Synonym: Diatomaceous Earth

Silicon(IV) chloride, +99.8%, ACROS Organics™

Chemical Name or Material: Silicon(IV) chloride Name Note: 99.8+% CAS: 10026-04-7 Assay: ≥99.80% Assay Percent Range: 99.8+% Molecular Formula: Cl4Si Linear Formula: SiCl4 Formula Weight: 169.9 MDL Number: MFCD00011229 Synonym: Silicon tetrachloride

Silicon oxide, Catalyst Support, High Surface Area, Alfa Aesar™

Chemical Name or Material: Silicon oxide Name Note: High Surface Area MDL Number: MFCD00011232

Sand, pure, 40-100 mesh, ACROS Organics™ Available on GSA/VA Contract for Federal Government customers only.

Chemical Name or Material: Sand Name Note: 40 to 100 Mesh CAS: 14808-60-7 Purity Grade: Pure Molecular Formula: O2Si Linear Formula: SiO2 Formula Weight: 60.08 MDL Number: MFCD00011232 Synonym: Quartz

Silicon Oxide, Catalyst Support, Alfa Aesar™

Chemical Name or Material: Silicon oxide MDL Number: MFCD00011232

Silicon(IV) oxide, Amorphous, 99.9% (metals basis), Alfa Aesar™

Chemical Name or Material: Silicon(IV) oxide CAS: 7631-86-9 Physical Form: Powder Assay Percent Range: 99.9% (metals basis) Molecular Formula: SiO2 Formula Weight: 60.09 MDL Number: MFCD00011232

Sand, Ottawa (For Cement Testing), Fisher Chemical Available on GSA/VA Contract for Federal Government customers only.

Chemical Name or Material: Sand, Ottawa Name Note: For cement testing CAS: 14808-60-7 Molecular Formula: SiO2 MDL Number: MFCD02100519

Silicon(IV) oxide, Amorphous fumed, S.A. 300 to 350m2/g, Alfa Aesar™

Chemical Name or Material: Silicon(IV) oxide CAS: 7631-86-9 Physical Form: Powder Molecular Formula: O2Si Formula Weight: 60.09 MDL Number: MFCD00011232

Silicon(IV) oxide, 30% in H2O, colloidal dispersion, Alfa Aesar™

Chemical Name or Material: Silicon(IV) oxide Name Note: 30% in H2O CAS: 7631-86-9 Physical Form: Liquid Molecular Formula: SiO2 Formula Weight: 60.09 MDL Number: MFCD00011232

Silicon Powder, crystalline, -325 mesh, 99.5% (Metals basis), Alfa Aesar™

Chemical Name or Material: Silicon CAS: 7440-21-3 Physical Form: Crystalline Powder Assay Percent Range: 99.5% (Metals basis) MDL Number: MFCD00085311

Sand, for analysis, 40-100 mesh, ACROS Organics™

Chemical Name or Material: Sand CAS: 14808-60-7 Purity Grade: For analysis Molecular Formula: O2Si Linear Formula: SiO2 Formula Weight: 60.08 MDL Number: MFCD00011232 Synonym: Quartz

Silicon(IV) chloride, 1M solution in methylene chloride, AcroSeal™, ACROS Organics™

Chemical Name or Material: Silicon(IV) chloride CAS: 10026-04-7 CAS: 75-09-2 Molecular Formula: Cl4Si Linear Formula: SiCl4 Formula Weight: 169.9 MDL Number: MFCD00011229 Synonym: Silicon tetrachloride

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