Sodium orthosilicate, (mixture of NaOH and Na2SiO3 yielding ≈ Na4SiO4 in solution), Thermo Scientific Chemicals

Description

It is used as a degreasant, industrial alkaline detergents, water treatment (boiler-feed); adhesives, builder in soaps.

This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.

Specifications

Chemical Identifiers

• CAS: 13472-30-5
• Molecular Formula: Na4O4Si
• Molecular Weight (g/mol): 184.04
• MDL Number: MFCD00014252
• InChI Key: POWFTOSLLWLEBN-UHFFFAOYSA-N
• Synonym: sodium orthosilicate, tetrasodium orthosilicate, tetrasodium silicate, silicic acid h4sio4 , sodium salt 1:4, silicic acid h4sio4 , tetrasodium salt, sodium silicate, ortho, teu2jic5pa, unii-teu2jic5pa, dryorth, sodium silicate 4-
• PubChem CID: 26051
• IUPAC Name: tetrasodium;silicate
• SMILES: [O-][Si]([O-])([O-])[O-].[Na+].[Na+].[Na+].[Na+]

• Color: White
• Physical Form: Crystalline
• Quantity: 1 kg
• UN Number: UN1759
• Solubility Information: Soluble in water.
• Odor: Odorless
• Chemical Name or Material: Sodium orthosilicate, Mixture of NaOH and Na₂SiO₃ yielding ≈ Na₄SiO₄ in solution

Safety and Handling

Hazard Category	H302-H314-H335
Hazard Statement	GHS H Statement H314-H335 Causes severe skin burns and eye damage. May cause respiratory irritation.
Precautionary Statement	P260-P264b-P270-P271-P280-P303+P361+P353-P304+P340-P305+P351+P338-P310-P330-P331-P363-P501c
DOTInformation	Transport Hazard Class: 8; Packing Group: II; Proper Shipping Name: CORROSIVE SOLIDS, N.O.S.
TSCA	Yes
Recommended Storage	Ambient temperatures

SDS

RUO – Research Use Only