22141
Celite® 545 AW
filter aid, acid washed, treated with sodium carbonate, flux calcined
동의어(들):
Diatomaceous earth, flux-calcined
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제품정보 (DICE 배송 시 비용 별도)
CAS 번호:
NACRES:
SB.54
PubChem Substance ID:
UNSPSC Code:
11101527
MDL number:
Quality Segment
form
powder
quality
acid washed, flux calcined, treated with sodium carbonate
composition
Al2O3, 4.0% , CaO, 0.5% , Fe2O3, 1.3% , Na2O + K2O, 3.3% , SiO2, 89.5%
loss
~0.3% loss on ignition, 900 °C
particle size
≤113 μm (82% (acc. to Cilas))
pH
<7 (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
저장 등급
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