disodium oxosilanebis(olate) pentahydrate

• ChemBase ID: 131595
• Molecular Formular: H10Na2O8Si
• Molecular Mass: 212.13964
• Monoisotopic Mass: 211.99403237
• SMILES: O.O.O.O.O.[O-][Si](=O)[O-].[Na+].[Na+]
• Canonical SMILES: [O-][Si](=O)[O-].O.O.O.O.O.[Na+].[Na+]
• InChI: InChI=1S/2Na.O3Si.5H2O/c;;1-4(2)3;;;;;/h;;;5*1H2/q2*+1;-2
• InChIKey: ADPGKKZKGXANON-UHFFFAOYSA-N

NAMES AND DATABASE IDS

Names

• IUPAC name: disodium oxosilanebis(olate) pentahydrate
• IUPAC Traditional name: disodium oxosilanebis(olate) pentahydrate
• Synonyms: Sodium metasilicate pentahydrate; Sodium metasilicate pentahydrate, tech.; 偏硅酸钠 五水合物; 偏硅酸钠五水合物, tech.

Database IDs

• CAS Number: 10213-79-3
• EC Number: 229-912-9
• MDL Number: MFCD00149176
• Merck Index: 148642
• PubChem SID: 24886295; 162225873; 24899560
• PubChem CID: 61495

CALCULATED PROPERTIES

• Acid pKa: 2.69897
• H Acceptors: 3
• H Donor: 0
• LogD (pH = 5.5): -3.533295
• LogD (pH = 7.4): -3.6921096
• Log P: -1.3788
• Molar Refractivity: 4.3287 cm^3
• Polarizability: 4.5841517 Å^3
• Polar Surface Area: 63.19 Å^2
• Rotatable Bonds: 0
• Lipinski's Rule of Five: true

PROPERTIES

Physical Property

• Apperance: -18 Mesh Granular
• Melting Point: 72°C
• Density: 1.75

Safety Information

• RTECS: VV9287500
• European Hazard Symbols: Corrosive (C); X
• UN Number: 3253; UN3253
• German water hazard class: 3
• Hazard Class: 8
• Packing Group: 3; III
• Risk Statements: 22-34-37; 34-37
• Safety Statements: 13-24/25-26-36/37/39-45; 26-36/37/39-45
• TSCA Listed: 是
• GHS Pictograms: GHS05; GHS07
• GHS Signal Word: Danger
• GHS Hazard statements: H314-H318-H302-H335; H314-H335
• GHS Precautionary statements: P260-P303+P361+P353-P305+P351+P338-P301+P330+P331-P405-P501A; P261-P280-P305 + P351 + P338-P310
• Personal Protective Equipment: Eyeshields, Faceshields, full-face particle respirator type N100 (US), Gloves, respirator cartridge type N100 (US), type P1 (EN143) respirator filter, type P3 (EN 143) respirator cartridges
• RID/ADR: UN 3253 8/PG 3

Product Information

• Purity: ≥95.0% (T); ≥97%
• Linear Formula: Na2SiO3 · 5H2O

DETAILS

Sigma Aldrich - 71746

Packaging
1 kg in poly bottle
250 g in poly bottle