五水偏硅酸钠

Description

Sodium Metasilicate Pentahydrate · CAS 10213-79-3 · H10Na2O8Si. UNII NS00113262.

Identification

CAS Registry Number	10213-79-3
PubChem CID	61495
Molecular formula	H10Na2O8Si
IUPAC name	disodium;dioxido(oxo)silane;pentahydrate
UNII (FDA)	NS00113262

Computed Descriptors

Molecular Weight	212.14
Hydrogen Bond Donor Count	5
Hydrogen Bond Acceptor Count	8
Rotatable Bond Count	0
Exact Mass	211.99403237
Monoisotopic Mass	211.99403237
Topological Polar Surface Area	68.2
Heavy Atom Count	11
Formal Charge	0
Complexity	18.8

Physical description & handling notes

• Dry Powder; Liquid; Dry Powder; CBI
• Crystalline powder; [Reference #1] White solid; [Sigma-Aldrich MSDS]

GHS Hazard Classification

Reported hazard statements	H302, H314, H318, H371

Documented Uses

• Molding and Core Making [Category: Foundry]
• Petroleum Production and Refining [Category: Industry]
• Pulp and Paper Processing [Category: Industry]
• Painting (Pigments, Binders, and Biocides) [Category: Paint]
• Working with Glues and Adhesives [Category: Other]
• Sewer and Wastewater Treatment [Category: Industry]

Synonyms

Sodium metasilicate pentahydrate; Silicic acid (H2SiO3), disodium salt, pentahydrate; Silicic acid, disodium salt, pentahydrate; DTXSID0029717; DISODIUM METASILICATE PENTAHYDRATE; RefChem:885447; DTXCID409717; 10213-79-3; disodium;dioxido(oxo)silane;pentahydrate; MFCD00149176; H10Na2O8Si; SCHEMBL123472; SODIUM METASILICATE 5H2O; AKOS015913813; FS76799; NS00113262

Frequently Asked Questions

What are the CAS number and molecular formula of Sodium Metasilicate Pentahydrate?

CAS 10213-79-3; molecular formula H10Na2O8Si; molecular weight — g/mol.

What other names is Sodium Metasilicate Pentahydrate known by?

Sodium metasilicate pentahydrate, Silicic acid (H2SiO3), disodium salt, pentahydrate, Silicic acid, disodium salt, pentahydrate, DTXSID0029717, DISODIUM METASILICATE PENTAHYDRATE, RefChem:885447.

Is Sodium Metasilicate Pentahydrate classified as hazardous?

Hazard statements reported: H302, H314, H318, H371.

Facts on this page are taken from PubChem (US National Library of Medicine) and Wikidata. Grade-specific data — assay, moisture, particle size, packaging, shelf life — is issued per batch on the COA and is not published here.