CAS: 7440-21-3 Molecular Formula: Si Molecular Weight (g/mol): 28.09 MDL Number: MFCD00085311 InChI Key: XUIMIQQOPSSXEZ-UHFFFAOYSA-N Synonym: metal,silicone,defoamer s-10,flots 100sco,powder,dust,unii-z4152n8iui,polyeristalline powder,ccris 6599,ccris 6831 PubChem CID: 5461123 ChEBI: CHEBI:27573 IUPAC Name: silicon SMILES: [Si]