Silicon

SiCAS 7440-21-328.09 g/mol

Properties

Molecular formula: Si
Molar mass: 28.09 g/mol
Exact mass: 27.9769 Da
Density: 2.33 g/mL (at 25 °C)
Melting point: 1410 °C
Boiling point: 2355 °C
Water solubility: practically insoluble
logP: -0.38Crippen estimate
Polar surface area: 0.0 Å²
H-bond donors / acceptors: 0 / 0
Rotatable bonds: 0

Hazards

Not classified as hazardous under GHS by 3,263 ECHA notifiers. Aggregated from 3,263 ECHA notifications, via PubChem; a share says how many notifiers assign that statement.

Identifiers

CAS number

7440-21-3

SMILES

[Si]

InChIKey

XUIMIQQOPSSXEZ-UHFFFAOYSA-N

InChI

InChI=1S/Si

Weigh it out

Type any one amount. The others follow from the molar mass and density.

Names and synonyms

59 names · show all

KTC
Silicon element
Sicomill grade 2
KDB 20
Sicomill 4C-P
Silgrain standard
SILSO
Polysilicon
HGH 600
Metasilicon 325A
Hexsil
CZ-N Polished wafer
SI 1059
GKO 3516A
KR 1
KDB 10
4FY
Silgrain HQ
Si(100) wafer
Biosilicon
Silgrain
Silicon 100
PHC 20
KDB 0.5
KDB 0.1
Aldrich 267414-25G
Sharp 80W
FEB 450D
JT 02
SIE 23PB
Sicomill E 4
PSi-C 2
ψ-C 2
SIE 20PB
KTC (element)
Silicon 600
SI 500443
SI 500444
KEF 100
AgroSilicio
Sili-K
Si-S 10μm
6PW-A1
Silicon 200
SI 500452
a-Si 11
a-Si 12
a-Si 13
M-Si 600
Silgrain E-si 400
T 2
T 2 (Filler)
SI 006031
WFP 6005
SAF 184
SI 100
KR-2
Wafer world 119
S 308

Work with Silicon

Predict the NMR spectrum1H and 13C shifts with multiplicities Make a solutionWhat to weigh for any molarity and volume Check drug-likenessLipinski, Veber and lead-likeness Boiling point under vacuumAt any pressure, from its normal boiling point Isotope patternExact mass and the mass spectrum pattern

Similar compounds

Calcium disilicide12013-56-850 % similar Molybdenum disilicide12136-78-650 % similar Lithium alloy, nonbase, Li,Si68848-64-650 % similar

Tanimoto similarity of circular fingerprints over the whole catalogue.

All similar compounds

Elsewhere

PubChem CAS Common Chemistry NIST WebBook