22140
Celite® 545
filter aid, treated with sodium carbonate, flux calcined
Synonym(s):
Diatomaceous earth, flux-calcined
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About This Item
CAS Number:
NACRES:
SB.54
PubChem Substance ID:
UNSPSC Code:
11101527
EC Number:
272-489-0
MDL number:
Quality Level
form
powder
quality
flux calcined, treated with sodium carbonate
composition
Al2O3, 1.0% , CaO, 6.73% , Fe2O3, 0.46% , Na2O + K2O, 1.88% , SiO2, 89.0%
median particle size
≤125.30 μm (71% (acc. to Cilas))
pH
>8.5 (25 °C, 10% in aq. suspension)
SMILES string
O=[Si]=O
InChI
1S/O2Si/c1-3-2
InChI key
VYPSYNLAJGMNEJ-UHFFFAOYSA-N
General description
Diatomaceous earth is made up of natural amorphous silica formed from the fossilized skeletons of diatoms. It is extracted, crushed, dried and calcined with flux material. DE is widely used as filler in construction materials, paints and as an anti-caking agent for agricultural chemicals. It has high water and oil absorption ability.
Application
Diatomaceous earth may be used as an adsorbent for column chromatography.
Legal Information
Celite is a registered trademark of Imerys Minerals California, Inc.
Disclaimer
Not Intended for cGMP Parenteral Pharmaceutical Manufacturing
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signalword
Danger
hcodes
Hazard Classifications
STOT RE 1 Inhalation
target_organs
Lungs
Storage Class
6.1D - Non-combustible acute toxic Cat.3 / toxic hazardous materials or hazardous materials causing chronic effects
wgk
WGK 1
flash_point_f
Not applicable
flash_point_c
Not applicable
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Direct immobilization of polyphenol oxidases on Celite 545 from ammonium sulphate fractionated proteins of potato (Solanum tuberosum).
Khan AA, et al.
Journal of Molecular Catalysis. B, Enzymatic, 40(1), 58-63 (2006)
Lactose hydrolysis from milk/whey in batch and continuous processes by concanavalin A-Celite 545 immobilized Aspergillus oryzae ? galactosidase.
Ansari SA and Husain Q.
Food and Bioproducts Processing, 90(2), 351-359 (2012)
Immobilization of lipases on clay, Celite 545, diethylaminoethyl-, and carboxymethyl-Sephadex and their interesterification activity.
Ansari SA and Husain Q.
Biotechnol. Tech., 12(5), 381-384 (1998)
Global Trade Item Number
| SKU | GTIN |
|---|---|
| 22140-1KG-F | 04061835561704 |
| 22140-5KG-F | 04061838777287 |