Silicon

CAS Registry Number®

7440-21-3

CAS Name

Silicon

Molecular Formula

Si

Cite this Page

Silicon.   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/detail?cas_rn=7440-21-3 (retrieved 2024-11-22) (CAS RN: 7440-21-3).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Compound Properties

  • Boiling Point (1)

    2355 °C

  • Melting Point (1)

    1410 °C

  • Density (1)

    2.33 g/cm³ @ Temp: 25 °C

Source(s)

  • (1) Hazardous Substances Data Bank data were obtained from the National Library of Medicine (US)

Other Names and Identifiers

InChI

InChI=1S/Si

InChIKey

InChIKey=XUIMIQQOPSSXEZ-UHFFFAOYSA-N

SMILES

[Si]

Canonical SMILES

[Si]

Other Names for this Substance

  • Silicon
  • Silicon element
  • Sicomill Grade 2
  • KDB 20
  • Sicomill 4C-P

View All

Deleted or Replaced CAS Registry Numbers

17375-03-0, 71536-23-7, 72516-01-9, 72516-02-0, 72516-03-1, 90337-93-2, 152284-21-4, 157383-37-4, 160371-18-6, 1616351-53-1

CAS INSIGHTSTM
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