20199-U
Celite® 545 AW
reagent grade
Synonym(s):
Diatomaceous earth, flux-calcined, Celite® Filter Aid
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About This Item
CAS Number:
MDL number:
UNSPSC Code:
23201100
PubChem Substance ID:
NACRES:
SB.52
Recommended Products
grade
reagent grade
Quality Level
Agency
suitable for EPA 1613
form
powder
packaging
pkg of 454 g
technique(s)
LPLC: suitable
surface area
2-3.5 m2/g
matrix
Silica
matrix active group
silica
particle size
26 μm
pore size
170000 Å mean pore size
separation technique
hydrophilic interaction (HILIC)
SMILES string
O=[Si]=O
InChI
1S/O2Si/c1-3-2
InChI key
VYPSYNLAJGMNEJ-UHFFFAOYSA-N
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General description
Diatomaceous earth [Celite 545 AW] is considered as skeletal remains of single-celled algae/diatoms formed due to sedimentary deposits. DE is a surface-active agent which causes abrasion and adsorption of the cuticular lipids. DE is an effective alternative to chemical pesticides. DE, amorphous silica which is crushed and calcined to form cristobalite.
Reagent-grade Celite® 545 AW. Acid-washed, high-purity fluxcalcined diatomaceous silica, especially prepared for chromatography and other laboratory applications.
Application
- Celite® 545 AW was used as stationary phase in purification of fagopyritols using preparative chromatography.
- Celite® 545 AW was used as packing material for fractionating procedure and the fractions were analysed using GC-ECD, GC/ECNI-MS and IC-MS/MS.
Legal Information
Celite is a registered trademark of Imerys Minerals California, Inc.
Signal Word
Danger
Hazard Statements
Precautionary Statements
Hazard Classifications
STOT RE 1 Inhalation
Target Organs
Lungs
Storage Class Code
6.1D - Non-combustible, acute toxic Cat.3 / toxic hazardous materials or hazardous materials causing chronic effects
WGK
nwg
Flash Point(F)
Not applicable
Flash Point(C)
Not applicable
Personal Protective Equipment
dust mask type N95 (US), Eyeshields, Gloves
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Mewis et al.
Journal of stored products research, 37(2), 153-164 (2000-12-22)
Environmental and human health problems associated with the use of synthetic pesticides have prompted the demand for non-polluting, biologically specific insecticides. The current study tested the use and action of diatomaceous earth against several stored product pests. Fossil Shield(R) applied
R L Obendorf et al.
Carbohydrate research, 328(4), 623-627 (2000-11-28)
The molecular structure of fagopyritol A1, a novel galactopyranosyl cyclitol from buckwheat seeds, was determined to be O-alpha-D-galactopyranosyl-(1 --> 3)-D-chiro-inositol by 1H and 13C NMR. Fagopyritol A1 is a positional isomer of fagopyritol B1 (O-alpha-D-galactopyranosyl-(1 --> 2)-D-chiro-inositol), representing a different
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This research tested the suppressive ability of Beauveria bassiana (Balsamo) Vuillemin alone and in combination with diatomaceous earth against the red flour beetle, Tribolium castaneum (Herbst). Adults did not show a dose response to B. bassiana, and the addition of
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