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Merck
CN

22153

Sigma-Aldrich

Celite® 560

filter aid, treated with sodium carbonate, flux calcined

Synonym(s):

Diatomaceous earth, flux-calcined

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About This Item

CAS Number:
68855-54-9
MDL number:
MFCD00132803
UNSPSC Code:
11101527
PubChem Substance ID:
329752276
NACRES:
SB.54

Key Documents

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form

powder

quality

flux calcined
treated with sodium carbonate

composition

Al2O3, 1.1%
CaO, 6.54%
Fe2O3, 0.39%
Na2O + K2O, 1.28%
SiO2, 89.5%

loss

~0.2% loss on ignition, 900 °C

particle size

≤148.5 μm (56% (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

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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

Pictograms

Health hazard
GHS08

Signal Word

Danger

Hazard Statements

H372

Precautionary Statements

P260 - P264 - P270 - P314 - P501

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

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

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G D Pegrum et al.
Journal of clinical pathology, 20(1), 65-69 (1967-01-01)
Methods of platelet adhesiveness to glass and celite have been developed. The technical merits of these methods have been compared with a method using adenosine diphosphate (ADP). The aspects of platelet stickiness measured by the various techniques may be somewhat
Enzymic interesterification of fats: factors influencing the choice of support for immobilized lipase.
Wisdom RA, et al.
Enzyme and Microbial Technology, 6(10), 443-446 (1984)
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
Induction of p53-independent growth inhibition in lung carcinoma cell A549 by gypenosides.
Journal of cellular and molecular medicine (2015).
Liu JS, et al.
Journal of Cellular and Molecular Medicine, 19(7), 1697-1709 (2015)
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)
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