Sodium metasilicate pentahydrate, tech.

Description

CAS: 10213-79-3 | H10Na2O8Si | 212.137 g/mol

Sodium metasilicate pentahydrate is used as a starting material in the preparation of silicas and zeolites. It finds application in detergents and cleaners, pulp and paper production. It is also used in soil stabilization, sealing, adhesives and binders. Further, it is used in titanium dioxide production, paints for masonry and glass, spray coatings for tunnel construction. In addition to this, it is used in fruit and vegetable washes and sanitizers for food-contact surfaces.

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: 10213-79-3
• Molecular Formula: H10Na2O8Si
• Molecular Weight (g/mol): 212.137
• MDL Number: MFCD00149176
• InChI Key: ADPGKKZKGXANON-UHFFFAOYSA-N
• Synonym: sodium metasilicate pentahydrate, silicic acid, disodium salt, pentahydrate, disodium oxosilanediolate pentahydrate, silicic acid h2sio3 , disodium salt, pentahydrate, 2na.so3i.5h2o, sodium meta-silicate pentahydrate, sodium silicate solution water glass, disodium dioxido oxo silane pentahydrate, sodium metasilicate pentahydrate, tech., disodium oxosilanebis olate pentahydrate
• PubChem CID: 61495
• IUPAC Name: disodium;dioxido(oxo)silane;pentahydrate
• SMILES: O.O.O.O.O.[O-][Si](=O)[O-].[Na+].[Na+]

• Melting Point: 72°C
• Color: White
• Physical Form: Granules
• Quantity: 1 kg
• UN Number: UN3253
• Merck Index: 14,8642
• Solubility Information: Soluble in cold water.
• Formula Weight: 212.14 (122.06 Anhydrous)
• Grade: Technical
• Odor: Odorless
• Density: 1.75 g/mL
• Chemical Name or Material: Sodium metasilicate pentahydrate

Safety and Handling

Hazard Category	H290-H314-H335
Hazard Statement	GHS H Statement H314-H318-H302-H335 Causes severe skin burns and eye damage. Causes serious eye damage. Harmful if swallowed. May cause respiratory irritation.
Precautionary Statement	P234-P260-P264b-P271-P280-P301+P330+P331-P303+P361+P353-P304+P340-P305+P351+P338-P310-P363-P390-P501c
DOTInformation	Transport Hazard Class: 8; Packaging Group: III; Proper Shipping Name: DISODIUM TRIOXOSILICATE
EINECSNumber	229-912-9
RTECSNumber	VV9287500
TSCA	Yes
Recommended Storage	Ambient temperatures

SDS

RUO – Research Use Only