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Silicic acid

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Identification
Molecular formula
H4O4Si
CAS number
10193-36-9
IUPAC name
dihydroxy(oxo)silane
State
State

Silicic acid at room temperature is generally available as a gel or amorphous solid. The solid form is not crystalline but rather an amorphous, non-crystalline form which can be hydrated to form the gel.

Melting point (Celsius)
1 610.00
Melting point (Kelvin)
1 883.00
Boiling point (Celsius)
2 355.00
Boiling point (Kelvin)
2 628.00
General information
Molecular weight
78.10g/mol
Molar mass
78.1010g/mol
Density
3.1000g/cm3
Appearence

Silicic acid typically appears as a colorless and transparent gel or a white powder, depending on its form of hydration. As a gel, it is quite viscous and can appear translucent. In powder form, it appears as a fine, white and amorphous solid.

Comment on solubility

Solubility of Dihydroxy(oxo)silane

Dihydroxy(oxo)silane, with the chemical formula Si(OH)2O, is known for its intriguing solubility characteristics. This compound is generally soluble in water due to the presence of hydroxyl groups that can interact favorably with polar solvents. Here are some key points to consider regarding its solubility:

  • Water Solubility: The hydroxyl groups enhance the ability of dihydroxy(oxo)silane to form hydrogen bonds with water molecules, leading to increased solubility in aqueous solutions.
  • Solvent Dependence: While soluble in water, the solubility may vary when mixed with nonpolar solvents, which tend to inhibit the solvation process.
  • Temperature Influence: Like many compounds, the solubility of dihydroxy(oxo)silane can be affected by temperature; higher temperatures typically increase solubility.
  • Concentration Effects: At higher concentrations, the solubility might reach a saturation point, leading to precipitation if the solution becomes supersaturated.

In summary, dihydroxy(oxo)silane exhibits good solubility in water, which is pivoted on its ability to interact through hydrogen bonding. As emphasized, factors such as solvent type, temperature, and concentration play crucial roles in determining its overall solubility profile.

Interesting facts

Interesting Facts About Dihydroxy(oxo)silane

Dihydroxy(oxo)silane is a fascinating compound with a variety of applications and interesting chemical properties. Here are some key insights about this intriguing silane:

  • Silicon Chemistry: As a silane compound, dihydroxy(oxo)silane contains silicon which is known for forming a wide range of organo-silicon compounds, crucial in materials science.
  • Functional Groups: This compound features hydroxyl groups (–OH) and an oxo group (–O), making it a valuable intermediate in the synthesis of silicones and other chemical structures.
  • Versatile Applications: Dihydroxy(oxo)silane can be employed in various industries, including the production of adhesives, sealants, and coatings, as well as in the formulation of surface modifiers.
  • Reactivity Insights: Due to its hydroxyl groups, it can participate in condensation reactions and polymerization, allowing for the creation of complex and useful materials.
  • Green Chemistry: The synthesis of silane compounds, including dihydroxy(oxo)silane, often emphasizes sustainability. Many reactions can be designed to minimize waste and reduce environmental impact.

As noted by various chemists, "The versatility of silanes opens up new pathways for innovation across numerous fields." This statement drives home the importance of compounds like dihydroxy(oxo)silane in advancing chemical research and industrial applications.

Overall, studying dihydroxy(oxo)silane not only enhances our understanding of silicon chemistry but also showcases its potential in modern materials development.

Synonyms
Metasilicic acid
7699-41-4
Bio-Sil
Silicic acid (H2SiO3)
Acidum silicicum
Kieselsaure
Kieselsaure [German]
UNII-4OI8D3YOH1
EINECS 231-716-3
4OI8D3YOH1
METASILICIC ACID [MI]
DTXSID30872499
DTXCID0032362
231-716-3
(h2sio3)n
-(-si(oh)2o-)-n
chebi:29379
dihydroxy(oxo)silane
Silicic acid hydrate, Reagent Grade
dihydroxysilanone
H2O3Si
LiChrosorb RP-8
MFCD00054122
SILICICACID
Precipitated, and gel
Precipitated, and gel [Silica, amorphous]
CHEMBL2068408
Silicic acid, powder, -80 mesh
AKOS024435250
NS00080720
NS00081445
Q3604536
Silicic acid, 99.9%, 20 mum, purified by refining
Silicic acid, suitable for column chromatography, 60-200 mesh
Silica gel 60for Column chromatography0.040-0.063 mm (230-400 mesh ASTM)
Silicic acid, BioReagent, suitable for column chromatography, 100-200 mesh (75 - 150 mum)
Silicic acid, BioReagent, suitable for column chromatography, 200-400 mesh (38 - 75 mum)