fumed silica
a luting cement. synthetic amorphous silica (silicon dioxide) is produced by a vapor phase hydrolysis process using chlorosilanes or substituted silanes such as, silicon tetrachloride in a flame of hydrogen and oxygen. this material is formed and collected in a dry state. this product contains no detectable crystalline silica.
  • American International Chemical, LLC.
    • American International Chemical, Inc.
      Consistent sources
      North American supplier for globally sourced ingredients.
      AIC is a Framingham, MA based ISO Certified sales and marketing company serving the food, pharmaceutical, nutritional, personal care, biotech, and industrial markets of North America since 1972. Our success is a result of a company culture built on customer needs, along with partnerships with global manufacturers committed to the rigors and demands of the North American market. Our team of 30 Sales Representatives, along with our 19 strategically located warehouses are ready to supply product when and where you need it.
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      128233 Fumed Silica
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dioxosilane (Click)
CAS Number: 112945-52-5Picture of molecule
Other: 50926-93-7
MDL: MFCD00011232
Molecular Weight: 60.08370000
Formula: O2 Si
BioActivity Summary: listing
NMR Predictor: Predict (works with chrome or firefox)
Category: cosmetic agents
US / EU / FDA / JECFA / FEMA / FLAVIS / Scholar / Patent Information:
Google Scholar: Search
Google Books: Search
Google Scholar: with word "volatile"Search
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Google Patents: Search
US Patents: Search
EU Patents: Search
Pubchem Patents: Search
PubMed: Search
NCBI: Search
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Physical Properties:
Assay: 95.00 to 100.00 % 
Food Chemicals Codex Listed: No
Melting Point: 3110.00 °C. @ 760.00 mm Hg (est)
Boiling Point: 4046.00 °C. @ 760.00 mm Hg (est)
Flash Point: 32.00 °F. TCC ( 0.00 °C. ) (est)
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Organoleptic Properties:
Odor and/or flavor descriptions from others (if found).
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Cosmetic Information:
CosIng: cosmetic data
Cosmetic Uses: abrasives
anticaking agents
bulking agents
opacifying agents
viscosity controlling agents
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American International Chemical, LLC.
Fumed Silica
Sigma-Aldrich: Aldrich
For experimental / research use only.
fumed Silica powder, 0.007 Ám
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Safety Information:
Preferred SDS: View
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
Hazard statement(s)
None found.
Precautionary statement(s)
None found.
Oral/Parenteral Toxicity:
intravenous-rat LD50  15 mg/kg
Bolletino della Societe Italiana di Biologia Sperimentale. Vol. 44, Pg. 1685, 1968.

oral-rat LD50  3160 mg/kg
Agricultural Research Service, USDA Information Memorandum. Vol. 20, Pg. 9, 1966.

intraperitoneal-rat LDLo  50 mg/kg
Archiv fuer Hygiene und Bakteriologie. Vol. 136, Pg. 1, 1952.

intratracheal-rat LDLo  10 mg/kg
Archiv fuer Hygiene und Bakteriologie. Vol. 136, Pg. 1, 1952.

Dermal Toxicity:
Not determined
Inhalation Toxicity:
Not determined
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Safety in Use Information:
Category: cosmetic agents
Recommendation for fumed silica usage levels up to:
 not for fragrance use.
Recommendation for fumed silica flavor usage levels up to:
 not for flavor use.
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Safety References:
European Food Safety Authority (EFSA) reference(s):
Re-evaluation of silicon dioxide (E 551) as a food additive
View page or View pdf
EPI System: View
EPA ACToR: Toxicology Data
EPA Substance Registry Services (SRS): Registry
Laboratory Chemical Safety Summary : 24261
National Institute of Allergy and Infectious Diseases: Data
WGK Germany: 2
Chemidplus: 0007631869
RTECS: VV8850000 for cas# 112945-52-5
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NIST Chemistry WebBook: Search Inchi
Canada Domestic Sub. List: 112945-52-5
Pubchem (cid): 24261
Pubchem (sid): 134987421
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Other Information:
(IUPAC): Atomic Weights of the Elements 2009
(IUPAC): Atomic Weights of the Elements 2009 (pdf)
Videos: The Periodic Table of Videos
tgsc: Atomic Weights use for this web site
(IUPAC): Periodic Table of the Elements
HMDB (The Human Metabolome Database): Search
Export Tariff Code: 2811.22.5000
Household Products: Search
ChemSpider: View
Wikipedia: View
Wikipedia2: View2
RSC Learn Chemistry: View
•usepaopp pesticide code 072605; 46 active products contain amorphous silicon dioxide, celite, diatomaceous earth, or silicon dioxide. many of these products contain other additional active pesticide ingredients. trade names: chemsico insecticide de; crop guard; diafil 610; diasource diatomaceous earth crawling insect killer; diasource diatomaceous earth grain storage insecticide; diatect d-20; diatect insecticide v; diatect multipurpose insecticide; diatect multipurpose insecticide ii; diatect pet powder; diatom dust insect powder; diatomic earth; dry pyrocide insecticide; dryacide; eaton's answer ii; eaton's k.i.o. (kills insects only) system; enforcer insecticide powder; flea away; flea scare; garden-ville diatomaceous earth; grapple flea powder; harper valley diatomaceous earth; hi-yield crawling insect control; insecolo; insect dust; insect-aside p.p.d. multipurpose insecticide; insectaside d. e.; insectigone; insecto; melocide de-200; melocide de-100; organic resources multipurpose insecticide; perma guard garden and plant insecticide d-21; perma-guard commercial insecticide d-20; perma-guard grain or seed storage insecticide d-10; perma-guard household insecticide d-20; perma-guard kleen bin d-20; perma-guard pet and animal insecticide d-20; powdered insecticide; protect-it; pyrocide insecticide ii; shellshock insecticide; southwest select diatomaceous earth; speer dry insecticide; the graden guy diatomaceous earth; whitmire pt-239 tri-die insecticide •perma-guard grain or seed storage insecticide dust d-10--80% active ingredient. •wettable powder •wessalon is spray-dried precipitated silica; 98-99.5% silicon dioxide, amorphous; particle sizes 1-100 microns. other name: sipernat. •cab-o-sil* is 99.8% silicon dioxide, amorphous. a white powder, ultrafine particle size (.014 microns). other names: colloidal silicon dioxide, amorphous silica. water dispersible. combinations: synergistic effect with other thickeners. •technical grade, fcc grade, fda grade, high-purity, 0.03 micron grade, ground and whole grain sand grades, powder, pellets, fumed silica (hydrophobic), aqueous slurries of colloidal fumed silica, ground silica, silica flour, silica gel. a range of grades and mesh sizes. •diatomaceous earth (88% silica) composed of skeletons of small prehistoric aquatic plants related to algae (diatoms).
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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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 silica fumed
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