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SIL350

Sigma-Aldrich

Silicic acid

BioReagent, suitable for column chromatography, 100-200 mesh (75 - 150 μm)

Sinónimos:

hydrated silica, metasilcic, silica acid

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About This Item

Fórmula empírica (notación de Hill):
H2O3Si
Número de CAS:
7699-41-4
Peso molecular:
78.10
EC Number:
231-716-3
MDL number:
MFCD00054122
UNSPSC Code:
23201100
PubChem Substance ID:
24899864
NACRES:
SB.54

product line

BioReagent

Quality Level

100

assay

≥99.8% Si (as SiO2) basis

form

solid

particle size

100-200 mesh (75 - 150 μm)

suitability

suitable for column chromatography

SMILES string

O[Si](O)=O

InChI

1S/H2O3Si/c1-4(2)3/h1-2H

InChI key

IJKVHSBPTUYDLN-UHFFFAOYSA-N

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Application

For general chromatographic use.
Silicic acid has been used as a column material for the purification of polyunsaturated fatty acids, fatty acid methyl ester, nucleic acid extraction from Suillus bovinus and lipid fractionation from soy milk powder.
Silicic acid is used in protein chromatography. Silicic acid has been used in a study to demonstrate the anti-biofilm potential of a glycolipid surfactant produced by a tropical marine strain of Serratia marcescens. Silicic acid has also been used to study the antioxidant activity of fresh and processed Jalapeño and Serrano peppers.

Biochem/physiol Actions

Silicic acid polymers are employed in water treatment systems, drug encapsulation cum delivery and for soluble nanoparticle generation. Silicic acid interacts with aluminum and reduces its bioavailability. It is an effective antidote for aluminum poisoning.

Preparation Note

Acid-washed.

pictograms

Exclamation mark
GHS07

signalword

Warning

hcodes

H319,H335

Hazard Classifications

Eye Irrit. 2 - STOT SE 3

target_organs

Respiratory system

Storage Class

11 - Combustible Solids

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

dust mask type N95 (US), Eyeshields, Gloves

Certificados de análisis (COA)

Busque Certificados de análisis (COA) introduciendo el número de lote del producto. Los números de lote se encuentran en la etiqueta del producto después de las palabras «Lot» o «Batch»

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Silicic acid: its gastrointestinal uptake and urinary excretion in man and effects on aluminium excretion
Reffitt DM, et al.
Journal of Inorganic Biochemistry, 76(2), 141-147 (1999)
Marlena C Kruger et al.
Prostaglandins, leukotrienes, and essential fatty acids, 73(5), 327-334 (2005-09-13)
Experimental animal and human studies have indicated that long chain polyunsaturated fatty acids (LCPUFA) may enhance calcium absorption, reduce urinary calcium excretion, and increase bone calcium content. In the present study, the effect of LCPUFA, as provided in evening primrose
<I>Suillus bovinus</I> glutamine synthetase gene organization, transcription and enzyme activities in the Scots pine mycorrhizosphere developed on forest humus.
Juuti, J.T., et al.
The New phytologist, 164(2), 389-399 (2004)
Leroy S Pakkiri et al.
Glycobiology, 15(3), 291-302 (2004-10-16)
Based on recent analytical and enzymological studies, a topological model for the role of alpha-D-mannosyl-(1-->3)-alpha-D-mannosyl-(1-->3)-diacylglycerol (Man(2)-DAG) as a lipid anchor precursor and mannosylphosphorylundecaprenol (Man-P-Und) as a mannosyl donor in the assembly of a membrane-associated lipomannan (LM) in Micrococcus luteus has
Koki Nagayama et al.
The Journal of antimicrobial chemotherapy, 50(6), 889-893 (2002-12-04)
The bactericidal activity of phlorotannins from brown algae against food-borne pathogenic bacteria (25 strains), methicillin-resistant Staphylococcus aureus (MRSA) (nine strains) and Streptococcus pyogenes (one strain) was examined and compared with that of catechins. In addition, the effect of the oral
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