526266
Celpure® P100
meets USP/NF testing specifications
Synonym(s):
Diatomaceous earth, calcined
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About This Item
CAS Number:
NACRES:
NA.21
PubChem Substance ID:
UNSPSC Code:
11101527
EC Number:
293-303-4
MDL number:
agency
meets USP/NF testing specifications
Quality Level
form
powder
specific activity
≤1 EU/g (endotoxin)
composition
SiO2, 98%
parameter
0.100 (Permeability(Darcy))
technique(s)
ion chromatography: suitable
impurities
≤0.2% water solubles, ≤2.0% acid solubles
particle size
0.20-0.45 mm
cation traces
As: ≤10 ppm (leachable), Fe: ≤8 ppm (acid soluble), Pb: ≤10 ppm (leachable)
SMILES string
O=[Si]=O
InChI
1S/O2Si/c1-3-2
InChI key
VYPSYNLAJGMNEJ-UHFFFAOYSA-N
General description
Celpure®P100 (Diatomaceous earth, DE) is natural amorphous silica formed from the fossilized skeletons of diatoms. It is extracted, crushed, dried and calcined with or without flux material. DE is widely used as filler in construction materials, paints and as anti-caking agent for agricultural chemicals. It has high water and oil absorption ability. The potential toxicity of different samples of DE has been assessed. DE is also employed as an adsorbent for column chromatography.
Application
For high-purity, high-throughput processes
Legal Information
Product of Imerys Filtration Minerals
Celpure is a registered trademark of Advanced Minerals Corporation
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
flash_point_f
Not applicable
flash_point_c
Not applicable
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The global variability of diatomaceous earth toxicity: a physicochemical and in vitro investigation.
Nattrass C, et al.
Journal of Occupational Medicine and Toxicology (London, England), 10(1), 25-25 (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
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)