silica aerogel
 
Notes:
Used as a food additive [EAFUS]
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FDA internal no.: 977052-02-0 
Category: antifoaming (or defoaming) agents
 
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 FDA/DG SANTE Petitions, Reviews, Notices:
182.1711 Silica aerogel View - review
FDA Mainterm (SATF):977052-02-0 ; SILICA AEROGEL
FDA Regulation:
FDA PART 182 -- SUBSTANCES GENERALLY RECOGNIZED AS SAFE
Subpart B--Multiple Purpose GRAS Food Substances
Sec. 182.1711 Silica aerogel.
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Physical Properties:
Appearance: white fine powder (est)
Assay: 89.50 to 100.00 % 
Food Chemicals Codex Listed: No
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Organoleptic Properties:
 
Odor and/or flavor descriptions from others (if found).
 
 
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Cosmetic Information:
None found
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Suppliers:
 None found
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Safety Information:
 
Hazards identification
 
Classification of the substance or mixture
GHS Classification in accordance with 29 CFR 1910 (OSHA HCS)
None found.
GHS Label elements, including precautionary statements
 
Pictogram
 
Hazard statement(s)
None found.
Precautionary statement(s)
None found.
Oral/Parenteral Toxicity:
Not determined
Dermal Toxicity:
Not determined
Inhalation Toxicity:
Not determined
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Safety in Use Information:
Category: antifoaming (or defoaming) agents
Recommendation for silica aerogel usage levels up to:
 not for fragrance use.
 
Recommendation for silica aerogel flavor usage levels up to:
 not for flavor use.
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Safety References:
EPA ACToR: Toxicology Data
EPA Substance Registry Services (SRS): Registry
National Institute of Allergy and Infectious Diseases: Data
Chemidplus: 0977052020
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References:
Pubchem (sid): 135321677
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Other Information:
FDA Substances Added to Food (formerly EAFUS): View
HMDB (The Human Metabolome Database): HMDB32503
FooDB: FDB010251
FDA Listing of Food Additive Status: View
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Potential Blenders and core components note
 
None Found
 
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Potential Uses:
None Found
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Occurrence (nature, food, other): note
 not found in nature
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Synonyms:
 silica aerogel
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Articles:
PubMed: 3D assembly of silica encapsulated semiconductor nanocrystals.
PubMed: [Preparation and characteristics of aerogel-based bioactive materials used in dentistry].
PubMed: Computational Study of Uniaxial Deformations in Silica Aerogel Using a Coarse-Grained Model.
PubMed: Scanning metallic nanosphere microscopy for vectorial profiling of optical focal spots.
PubMed: Graphene-Diatom Silica Aerogels for Efficient Removal of Mercury Ions from Water.
PubMed: Cellulose-silica aerogels.
PubMed: Anisotropic phases of superfluid ^{3}he in compressed aerogel.
PubMed: Silica aerogel for capturing intact interplanetary dust particles for the Tanpopo experiment.
PubMed: Hydrogen crystallization in low-density aerogels.
PubMed: Silica-titania composite aerogel photocatalysts by chemical liquid deposition of titania onto nanoporous silica scaffolds.
PubMed: Imaging samples in silica aerogel using an experimental point spread function.
PubMed: Temperature measurements of shocked silica aerogel foam.
PubMed: Condensation of helium in aerogel and athermal dynamics of the random-field Ising model.
PubMed: Improvements of reinforced silica aerogel nanocomposites thermal properties for architecture applications.
PubMed: Lipophilization of ascorbic acid: a monolayer study and biological and antileishmanial activities.
PubMed: Fluorescence imaging of microbe-containing particles shot from a two-stage Light-gas gun into an aerogel.
PubMed: Simulation of the tensile properties of silica aerogels: the effects of cluster structure and primary particle size.
PubMed: Novel technique for repair of severed peripheral nerves in rats using polyurea crosslinked silica aerogel scaffold.
PubMed: A novel route for synthesis of UV-resistant hydrophobic titania-containing silica aerogels by using potassium titanate as precursor.
PubMed: Preparation and flammability of poly(vinyl alcohol) composite aerogels.
PubMed: Calculation and experimental validation of spectral properties of microsize grains surrounded by nanoparticles.
PubMed: Stability of superfluid 3He-B in compressed aerogel.
PubMed: Preparing silica aerogel monoliths via a rapid supercritical extraction method.
PubMed: Optical shock waves in silica aerogel.
PubMed: ZnFe2O4 nanoparticles dispersed in a highly porous silica aerogel matrix: a magnetic study.
PubMed: Mesoporous silica aerogel as a drug carrier for the enhancement of the sunscreen ability of benzophenone-3.
PubMed: Monolithic composites of silica aerogels by reactive supercritical deposition of hydroxy-terminated poly(dimethylsiloxane).
PubMed: Characterization of biocatalysts prepared with Thermomyces lanuginosus lipase and different silica precursors, dried using aerogel and xerogel techniques.
PubMed: Ultralow percolation threshold in aerogel and cryogel templated composites.
PubMed: Carbon quantum dot-functionalized aerogels for NO2 gas sensing.
PubMed: In vivo ultrasonic detection of polyurea crosslinked silica aerogel implants.
PubMed: Synergistic hybrid organic-inorganic aerogels.
PubMed: Investigation of the bulk modulus of silica aerogel using molecular dynamics simulations of a coarse-grained model.
PubMed: Reinforcement of silica aerogels using silane-end-capped polyurethanes.
PubMed: Emission and nonradiative decay of nanodiamond NV centers in a low refractive index environment.
PubMed: Mesoporous fluorocarbon-modified silica aerogel membranes enabling long-term continuous CO2 capture with large absorption flux enhancements.
PubMed: An X-ray absorption spectroscopy study of the inversion degree in zinc ferrite nanocrystals dispersed on a highly porous silica aerogel matrix.
PubMed: Synthesis of mesoporous silica nanoparticles.
PubMed: Preservation of superhydrophobic and superoleophobic properties upon wear damage.
PubMed: Histological evaluation of the biocompatibility of polyurea crosslinked silica aerogel implants in a rat model: a pilot study.
PubMed: Mesoporous materials for antihydrogen production.
PubMed: Simplified procedure for encapsulating cytochrome c in silica aerogel nanoarchitectures while retaining gas-phase bioactivity.
PubMed: Porous silicon nanocrystals in a silica aerogel matrix.
PubMed: Application of hydrophobic silica based aerogels and xerogels for removal of toxic organic compounds from aqueous solutions.
PubMed: Characterization of stoichiometric nanocrystalline spinel ferrites dispersed on porous silica aerogel.
PubMed: Controlled drug delivery through a novel PEG hydrogel encapsulated silica aerogel system.
PubMed: Direct measurements of pore fluid density by vibrating tube densimetry.
PubMed: Photo-assisted hetero-fenton decolorization of azo dye from contaminated water by Fe-Si mixed oxide nanocomposite.
PubMed: Identification of superfluid phases of 3He in uniformly isotropic 98.2% aerogel.
PubMed: Adsorption and desorption performance of benzene over hierarchically structured carbon-silica aerogel composites.
PubMed: Tableting properties of silica aerogel and other silicates.
PubMed: Enhancement of griseofulvin release from liquisolid compacts.
PubMed: Mesoporous and biocompatible surface active silica aerogel synthesis using choline formate ionic liquid.
PubMed: High finesse microfiber knot resonators made from double-ended tapered fibers.
PubMed: Tailoring mechanical properties of aerogels for aerospace applications.
PubMed: Polyimide aerogels cross-linked through amine functionalized polyoligomeric silsesquioxane.
PubMed: Stable low-loss optical nanofibres embedded in hydrophobic aerogel.
PubMed: Integration of ground aerogel particles as chromatographic stationary phase into microchip.
PubMed: Highly transparent, flexible, and thermally stable superhydrophobic ORMOSIL aerogel thin films.
PubMed: IR spectroscopy of water vapor confined in nanoporous silica aerogel.
PubMed: Silica aerogel core waveguide.
PubMed: Cytochrome C stabilization and immobilization in aerogels.
PubMed: Elastic behavior of methyltrimethoxysilane based aerogels reinforced with tri-isocyanate.
PubMed: Preparing titania aerogel monolithic chromatography columns using supercritical carbon dioxide.
PubMed: Flexible nanofiber-reinforced aerogel (xerogel) synthesis, manufacture, and characterization.
PubMed: Structure-property relationships in porous 3D nanostructures: epoxy-cross-linked silica aerogels produced using ethanol as the solvent.
PubMed: Tailoring elastic properties of silica aerogels cross-linked with polystyrene.
PubMed: Strong, low-density nanocomposites by chemical vapor deposition and polymerization of cyanoacrylates on aminated silica aerogels.
PubMed: Mineralization of clay/polymer aerogels: a bioinspired approach to composite reinforcement.
PubMed: A transmission electron microscopy study of CoFe2O4 ferrite nanoparticles in silica aerogel matrix using HREM and STEM imaging and EDX spectroscopy and EELS.
PubMed: Magnetic studies of CoFe2O4/SiO2 aerogel and xerogel nanocomposites.
PubMed: Silica xerogel/aerogel-supported lipid bilayers: consequences of surface corrugation.
PubMed: Tapered fibers embedded in silica aerogel.
PubMed: Nanoscale zirconia as a nonmetallic catalyst for graphitization of carbon and growth of single- and multiwall carbon nanotubes.
PubMed: Aerogel waveplates.
PubMed: Larnite powders and larnite/silica aerogel composites as effective agents for CO2 sequestration by carbonation.
PubMed: Biocompatibility of surfactant-templated polyurea-nanoencapsulated macroporous silica aerogels with plasma platelets and endothelial cells.
PubMed: A transmission electron microscopy study of Fe-Co alloy nanoparticles in silica aerogel matrix using HREM, EDX, and EELS.
PubMed: Combining silica-based adsorbents and SPME fibers in the extraction of the volatiles of beer: an exploratory study.
PubMed: [Ambient pressure synthesis and characterization of silica aerogel as adsorbent for dieldrin].
PubMed: Removal of BTEX vapours from waste gas streams using silica aerogels of different hydrophobicity.
PubMed: Formation and cation distribution in supported manganese ferrite nanoparticles: an X-ray absorption study.
PubMed: Immobilization of lipase on methyl-modified silica aerogels by physical adsorption.
PubMed: Impregnated silica nanoparticles for the reactive removal of sulphur mustard from solutions.
PubMed: Preparation and application of nanoglued binary titania-silica aerogel.
PubMed: Optimization of instantaneous solvent exchange/surface modification process for ambient synthesis of monolithic silica aerogels.
PubMed: The influence of composition and porosity on the magnetic properties of FeCo-SiO2 nanocomposite aerogels.
PubMed: Mechanisms of atomic layer deposition on substrates with ultrahigh aspect ratios.
PubMed: Structural characterization study of FeCo alloy nanoparticles in a highly porous aerogel silica matrix.
PubMed: Bioactivity of wollastonite/aerogels composites obtained from a TEOS-MTES matrix.
PubMed: Small-angle x-ray scattering measurements of the microstructure of liquid helium mixtures adsorbed in aerogel.
PubMed: Background-free coherent anti-stokes Raman scattering of gas- and liquid-phase samples in a mesoporous silica aerogel host.
PubMed: Comparison of neurofuzzy logic and decision trees in discovering knowledge from experimental data of an immediate release tablet formulation.
PubMed: Adsorption of toxic organic compounds from water with hydrophobic silica aerogels.
PubMed: Silicon based materials for drug delivery devices and implants.
PubMed: Critical scaling properties at the superfluid transition of 4He in aerogel.
PubMed: Absorption and desorption of organic liquids in elastic superhydrophobic silica aerogels.
PubMed: FTIR investigation of the H2, N2, and C2H4 molecular complexes formed on the Cr(II) sites in the Phillips catalyst: a preliminary step in the understanding of a complex system.
PubMed: Polymer-filled nanoporous silica aerogels as hosts for highly stable solid-state dye lasers.
PubMed: Dynamics of capillary condensation in aerogels.
PubMed: Multiphase imaging of gas flow in a nanoporous material using remote-detection NMR.
PubMed: Helium condensation in aerogel: avalanches and disorder-induced phase transition.
PubMed: FTIR spectroscopic study of titanium-containing mesoporous silicate materials.
PubMed: NMR measurements of hyperpolarized 3He gas diffusion in high porosity silica aerogels.
PubMed: Investigating the interface of superhydrophobic surfaces in contact with water.
PubMed: Pillaring effects in macroporous carrageenan-silica composite microspheres.
PubMed: Fractal dimensions of silica gels generated using reactive molecular dynamics simulations.
PubMed: Ultraporous single phase iron oxide-silica nanostructured aerogels from ferrous precursors.
PubMed: Transport of liquids using superhydrophobic aerogels.
PubMed: Assembly of silica nanowires on silica aerogels for microphotonic devices.
PubMed: Contamination affects the performance of insecticidal baits against German cockroaches (Dictyoptera: Blattellidae).
PubMed: Dissolution rate enhancement by adsorption of poorly soluble drugs on hydrophilic silica aerogels.
PubMed: Carbothermal transformation of a graphitic carbon nanofiber/silica aerogel composite to a SiC/silica nanocomposite.
PubMed: Phase diagram of superfluid 3He in 99.3% porosity aerogel.
PubMed: Specific heat of disordered superfluid 3He.
PubMed: Silver-colloid-nucleated cytochrome c superstructures encapsulated in silica nanoarchitectures.
PubMed: Interfacial pinning in the superfluid 3He A-B transition in aerogel.
PubMed: Fluid biomembranes supported on nanoporous aerogel/xerogel substrates.
PubMed: Density fluctuations near the liquid-gas critical point of a confined fluid.
PubMed: Dissipation mechanisms near the superfluid 3He transition in aerogel.
PubMed: Terahertz time-domain spectroscopy of submonolayer water adsorption in hydrophilic silica aerogel.
PubMed: Dynamics of quantum liquids in confinement, theory and experiment.
PubMed: Granulated activated carbon modified with hydrophobic silica aerogel-potential composite materials for the removal of uranium from aqueous solutions.
PubMed: Behavior of silica aerogel networks as highly porous solid solvent media for lipases in a model transesterification reaction.
PubMed: Effects of quenched disorder on the orientational order of the octylcyanobiphenyl liquid crystal.
PubMed: Nucleation and interfacial coupling between pure and dirty superfluid phases of 3He.
PubMed: Universality and scaling in the disordering of a smectic liquid crystal.
PubMed: Modification of the superfluid 3He phase diagram by impurity scattering.
PubMed: NMR diffusion of hyperpolarised 3He in aerogel: a systematic pressure study.
PubMed: Phase diagram of the A and B phases of superfluid 3He in aerogel.
PubMed: Nitrogen Sorption Studies of Silica Particles Obtained in Emulsion and Microemulsion Media.
PubMed: Aerosil dispersed in a liquid crystal: magnetic order and random silica disorder.
PubMed: High-frequency acoustics of 3He in aerogel
PubMed: Scaling of the superfluid fraction and T(c) of 3He in aerogel
PubMed: Observation of a superfluid He-3 A- B phase transition in silica aerogel
PubMed: Electronic connection to the interior of a mesoporous insulator with nanowires of crystalline RuO2
PubMed: Visualization of gas flow and diffusion in porous media.
PubMed: Effects of the metal type and the roughness of the die wall on the expended work for tablet ejection.
PubMed: Silica sol as a nanoglue: flexible synthesis of composite aerogels
PubMed: Pitfalls of artificial neural networks (ANN) modelling technique for data sets containing outlier measurements using a study on mixture properties of a direct compressed dosage form.
PubMed: Advantages of Artificial Neural Networks (ANNs) as alternative modelling technique for data sets showing non-linear relationships using data from a galenical study on a solid dosage form.
PubMed: Comparison of artificial neural networks (ANN) with classical modelling techniques using different experimental designs and data from a galenical study on a solid dosage form.
PubMed: Preparation of Silica Aerogel from TEOS
PubMed: STARDUST: finessing expensive cometary sample returns.
PubMed: Silica-aerogel thermal expansion induced by submonolayer helium adsorption.
PubMed: Thermalization of free positronium atoms by collisions with silica-powder grains, aerogel grains, and gas molecules.
PubMed: Dynamic Light Scattering Study of Nematic and Smectic-A Liquid Crystal Ordering in Silica Aerogel.
PubMed: X-ray scattering study of smectic ordering in a silica aerogel.
PubMed: Deuterium NMR of a pentylcyanobiphenyl liquid crystal confined in a silica aerogel matrix.
PubMed: Phase behavior of the liquid crystal 8CB in a silica aerogel.
PubMed: Structure of random porous materials: Silica aerogel.
PubMed: [Changes in the respiratory organs in experimental dust inhalation with silica aerogel].
PubMed: THE USE OF THE SILICA AEROGEL INSECTICIDES, DRI-DIE 67 AND DRIONE, IN NEW AND EXISTING STRUCTURES FOR THE PREVENTION AND CONTROL OF COCKROACHES.
PubMed: The use of silica aerogel compounds for the control of ectoparasites.
PubMed: [Features of dust formation in the production of silica aerogel and measures for the improvement of working conditions].
PubMed: Control of the spinose ear tick, Otobius megnini (Duges), with an organic phosphate insecticide combined with a silica aerogel.
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