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Key Documents

SILAW

Sigma-Aldrich

Silicic acid

BioReagent, suitable for column chromatography, 200-400 mesh (38 - 75 μm)

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About This Item

Empirical Formula (Hill Notation):
H2O3Si
CAS Number:
Molecular Weight:
78.10
EC Number:
MDL number:
UNSPSC Code:
23201100
PubChem Substance ID:
NACRES:
SB.54

product line

BioReagent

Quality Level

Assay

≥99.9% Si (as SiO2) basis

form

solid

impurities

≤0.2% % nonvolatile with HF

particle size

200-400 mesh (38 - 75 μm)

anion traces

chloride (Cl-): ≤0.01%
sulfate (SO42-): ≤0.02%

cation traces

Fe: ≤0.01%
heavy metals (as Pb): ≤0.001%

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

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.

Preparation Note

Acid-washed.

Pictograms

Exclamation mark

Signal Word

Warning

Hazard Statements

Hazard Classifications

Eye Irrit. 2 - STOT SE 3

Target Organs

Respiratory system

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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