Sodium metasilicate pentahydrate , 95% , 10213-79-3

Synonym(s):
Sodium silicate solution;Sodium trisilicate solution;Water glass

CAS NO.：10213-79-3

Empirical Formula: H10Na2O8Si

Molecular Weight: 212.14

MDL number: MFCD00149176

EINECS: 600-279-4

PRODUCT Properties

• Melting point: 1088°C
• Density: 2.61
• refractive index: 1.52
• storage temp.: Store at room temperature
• form: Solid
• color: White
• PH: 12,5 (in aqueous solution: 10 g /l , 20 °C)
• Odor: odourless
• Water Solubility: Soluble in cold water.
• Merck: 14,8642
• CAS DataBase Reference: 10213-79-3(CAS DataBase Reference)
• EPA Substance Registry System: Silicic acid (H2SiO3), disodium salt, pentahydrate (10213-79-3)

Description and Uses

Sodium metasilicate pentahydrate can be used:

• As a silicate electrolyte in plasma electrolytic oxidation (PEO) coating.
• For the synthesis of sintered mullite ceramics (3Al₂O₃·2SiO₂) by the co-precipitation method.
• As a source of silica for the synthesis of silica-zirconia composites for the chromatographic applications.
• For the synthesis of photo-Fenton catalyst, nontronite, for the degradation of Rhodamine B.
• As a starting material for the synthesis of zeolite NaA layers on α-Al₂O₃ supports.

Safety

• Symbol(GHS): GHS05,GHS07
• Signal word: Danger
• Hazard statements: H290-H314-H335
• Precautionary statements: P260-P280-P301+P330+P331-P303+P361+P353-P305+P351+P338+P310
• Hazard Codes: C
• Risk Statements: 34-37
• Safety Statements: 26-36/37/39-45
• RIDADR: UN 3253 8/PG 3
• WGK Germany: 1
• RTECS: VV9287500
• TSCA: Yes
• HazardClass: 8
• PackingGroup: III
• HS Code: 28391100
• Limited Quantities: 5.0 L (1.3 gallons) (liquid) or 5.0 kg (11 lbs) (solid)
• Excepted Quantities: Max Inner Pack (30g or 30ml) and Max Outer Pack (1Kg or 1L)