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06858

Sigma-Aldrich

Celite® S

filter aid, dried, untreated

Synonym(s):

Diatomaceous earth, Diatomaceous silica, Kieselguhr

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About This Item

CAS Number:
61790-53-2
MDL number:
MFCD00132803
UNSPSC Code:
11101527
PubChem Substance ID:
329748291
NACRES:
SB.52

form

powder

quality

dried
untreated

composition

Al2O3, 4.1%
CaO, 0.4%
Fe2O3, 1.6%
MgO, 0.2%
Na2O + K2O, 1.4%
P2O5, 0.3%
SiO2, 90.2%
TiO2, 0.2%

loss

3.2-10.0% loss on ignition, 900°C

pH

~7 (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

Celite® S is composed of SiO2 and is also known as diatomite or diatomaceous earth. It is used as a filter aid for rapid filtration in an aqueous solution.

Application

Highly insoluble, inert material for use as a filtration aid.

Legal Information

Celite is a registered trademark of Imerys Minerals California, Inc.

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

6.1C - 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

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Celite® 545 AW filter aid, acid washed, treated with sodium carbonate, flux calcined

Sigma-Aldrich

22141

Celite® 545 AW

Celite® 281 Celite® 281. CAS 68855-54-9, pH 10 (100 g/l, H₂O, 20 °C).

Supelco

1.02686

Celite® 281

Manpreet Bariana et al.
International journal of pharmaceutics, 443(1-2), 230-241 (2013-01-05)
Diatomaceous earth (DE), or diatomite silica microparticles originated from fossilized diatoms are a potential substitute for its silica-based synthetic counterparts to address limitations in conventional drug delivery. This study presents the impact of engineered surface chemistry of DE microparticles on
Messaouda Safa et al.
Water science and technology : a journal of the International Association on Water Pollution Research, 65(10), 1729-1737 (2012-05-02)
The adsorption of Cu(2+), Zn(2+), Cd(2+) and Pb(2+) ions from aqueous solution by Algerian raw diatomite was studied. The influences of different sorption parameters such as contact pH solution, contact time and initial metal ions concentration were studied to optimize
James F Meadow et al.
Microbial ecology, 65(1), 171-179 (2012-08-29)
Geothermal influenced soils exert unique physical and chemical limitations on resident microbial communities but have received little attention in microbial ecology research. These environments offer a model system in which to investigate microbial community heterogeneity and a range of soil
Goran G Andrić et al.
Journal of economic entomology, 105(2), 670-678 (2012-05-23)
Insecticidal potential of natural zeolites and diatomaceous earths originating from Serbia against Sitophilus oryzae (L.) and Tribolium castaneum (Herbst) was evaluated. Two natural zeolite formulations (NZ and NZ Modified) were applied to wheat at rates of 0.50, 0.75, and 1.0
Heezoo Kim et al.
Anesthesia and analgesia, 115(2), 244-252 (2012-05-16)
The activated clotting time (ACT) is widely used for monitoring heparin anticoagulation during cardiac surgery. Celite-based ACT values are prolonged when aprotinin is administered. MDCO-2010, a novel serine protease inhibitor, is currently being evaluated as a possible alternative to aprotinin.
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