22139
Celite® Filter Cel
filter aid, slightly calcined
Synonym(s):
Diatomaceous earth, calcined
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About This Item
CAS Number:
NACRES:
SB.54
PubChem Substance ID:
UNSPSC Code:
11101527
EC Number:
293-303-4
MDL number:
Quality Level
form
powder
quality
slightly calcined
composition
Al2O3, 3.3% , CaO, 0.8% , Fe2O3, 1.4% , Na2O + K2O, 1.0% , SiO2, 89.0%
technique(s)
ion chromatography: suitable
loss
~1.5% loss on ignition, 900 °C
matrix
Kieselguhr base material
median particle size
≤45.3 μm (82% (acc. to Cilas))
pH
~8.0 (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
signalword
Danger
hcodes
Hazard Classifications
STOT RE 1 Inhalation
target_organs
Lungs
Storage Class
6.1C - Combustible acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects
wgk
nwg
flash_point_f
Not applicable
flash_point_c
Not applicable
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Carotenoid pigment loss of freeze-dried plant samples under different storage conditions.
Cinar I.
LWT--Food Science and Technology, 37(3), 363-367 (2004)
Manipulating surface wettability and oil absorbency of diatomite depending on processing and ambient conditions.
Ozen I, et al.
Applied Surface Science, 332, 22-31 (2015)
H Checkoway et al.
British journal of industrial medicine, 50(7), 586-597 (1993-07-01)
A cohort mortality study was conducted among workers from two plants in the diatomaceous earth mining and processing industry in California. Diatomaceous earth consists of the skeletal remains of diatoms. Exposure to amorphous (non-crystalline) and crystalline silica in the form
Global Trade Item Number
| SKU | GTIN |
|---|---|
| 22139-1KG-F | 04061838777263 |
| 22139-5KG-F | 04061835561698 |