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

Silicon lump, 99.99% (metals basis), Alfa Aesar™

Chemical Name or Material: Silicon CAS: 7440-21-3 Physical Form: Lump, 0.1 To 2.5cm (0.04 to 1.0 in.) Assay Percent Range: 99.9999% (Metals basis) MDL Number: MFCD00085311

Silicon(IV) oxide, 15% in H2O, colloidal dispersion, Alfa Aesar™

Chemical Name or Material: Silicon(IV) oxide Name Note: 15% in H2O CAS: 7631-86-9 Physical Form: Liquid 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(IV) oxide, 99.99% (metals basis), 1 to 3mm fused lump, Alfa Aesar™

Chemical Name or Material: Silicon(IV) oxide CAS: 7631-86-9 Physical Form: 1 To 3mm Fused Lump 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 powder, 99.9% (metals basis), Alfa Aesar™

Chemical Name or Material: Silicon Name Note: For analysis APS CAS: 7440-21-3 Physical Form: Powder Assay Percent Range: 99.9% (Metals basis) MDL Number: MFCD00085311

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

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 carbide, beta-phase, 99.8% (metals basis), Alfa Aesar™

Chemical Name or Material: Silicon carbide Name Note: beta-phase CAS: 409-21-2 Physical Form: Powder Assay Percent Range: 99.8% (metals basis) 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

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

Silicon Powder, crystalline, -100+200 mesh, 99.99% (Metals basis), Alfa Aesar™

Chemical Name or Material: Silicon CAS: 7440-21-3 Physical Form: Crystalline Powder Assay Percent Range: 99.99% (Metals basis) MDL Number: MFCD00085311

Silicon(IV) oxide, 40% in H2O, 0.014 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 powder, crystalline, -100 mesh, 99.9% (metals basis), Alfa Aesar

Chemical Name or Material: Silicon CAS: 7440-21-3 Physical Form: Crystalline Powder Assay Percent Range: 99.9% (Metals basis) Molecular Formula: Si Formula Weight: 28.0855 MDL Number: MFCD00085311

Silicon(IV) oxide, Amorphous fumed, S.A. 85 to 115m2/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

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

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 dioxide, 99.99%, (trace metal basis), ACROS Organics™ Available on GSA/VA Contract for Federal Government customers only.

Chemical Name or Material: Silicon dioxide CAS: 60676-86-0 Purity Grade: Trace Metal Basis Assay: 44.5 to 47.9% (Si) Assay Percent Range: 99.998% Molecular Formula: O2Si Linear Formula: SiO2 Formula Weight: 60.08

Silicon Oxide, Catalyst Support, Alfa Aesar™

Chemical Name or Material: Silicon oxide 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

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. 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

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 carbide, alpha-phase, 99.8% (metals basis), Alfa Aesar™

Chemical Name or Material: Silicon carbide Name Note: alpha-phase CAS: 409-21-2 Physical Form: Powder Assay Percent Range: 99.8% (metals basis) Molecular Formula: SiC Formula Weight: 40.1 MDL Number: MFCD00049531

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, 99.5% (metals basis), Alfa Aesar™

Chemical Name or Material: Silicon(IV) oxide CAS: 14808-60-7 Physical Form: Powder Assay Percent Range: 99.5% (metals basis) Molecular Formula: SiO2 Formula Weight: 60.09 MDL Number: MFCD00011232

Silicon(IV) oxide, 50% in H2O, Colloidal dispersion, Alfa Aesar™

Chemical Name or Material: Silicon(IV) oxide Name Note: 50% in H2O CAS: 7631-86-9 Physical Form: Liquid Molecular Formula: SiO2 Formula Weight: 60.09 MDL Number: MFCD00011232

Silicon Powder, crystalline, APS≤50nm, 98%, , Alfa Aesar™

Chemical Name or Material: Silicon CAS: 7440-21-3 Physical Form: Crystalline Powder Assay Percent Range: 98% MDL Number: MFCD00085311

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

  spinner