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Celite® 503

filter aid, treated with sodium carbonate, calcined

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Synonym(s):
Diatomaceous earth, flux-calcined
CAS Number:
68855-54-9
MDL number:
MFCD00132803
UNSPSC Code:
11101527
PubChem Substance ID:
329752274
NACRES:
SB.54

Quality Level

200

form

powder

quality

calcined
treated with sodium carbonate

composition

Al2O3, 4.0%
CaO, 0.5%
Fe2O3, 1.3%
Na2O + K2O, 3.3%
SiO2, 89.6%

loss

~0.2% loss on ignition, 900 °C

particle size

≤85.1 μm (80% (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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Application

Celite® 503 may be used as filter aid for the purification and isolation of crystalline desoxyribonuclease.

Caution

Not Intended for cGMP Parenteral Pharmaceutical Manufacturing

Legal Information

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

pictograms

Health hazard
GHS08

signalword

Danger

hcodes

H372

Hazard Classifications

STOT RE 1 Inhalation

target_organs

Lungs

Storage Class

6.1D - Non-combustible, acute toxic Cat.3 / toxic hazardous materials or hazardous materials causing chronic effects

wgk_germany

WGK 1

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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Celpure® P1000 meets USP/NF testing specifications

Sigma-Aldrich

525227

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

Supelco

1.02686

Celite® 281

Standard Super Cel® fine filter aid, calcined

Sigma-Aldrich

85665

Standard Super Cel® fine

M KUNITZ
The Journal of general physiology, 33(4), 349-362 (1950-03-01)
A crystalline enzyme capable of digesting thymus nucleic acid (desoxyribonucleic acid) has been isolated from fresh beef pancreas. The enzyme called "desoxyribonuclease" is a protein of the albumin type. Its molecular weight is about 60,000 and its isoelectric point is
Guodong Sheng et al.
Environmental science and pollution research international, 20(6), 3708-3717 (2012-11-13)
This work determined the influence of humic acid (HA) and fulvic acid (FA) on the interaction mechanism and microstructure of Ni(II) onto diatomite by using batch experiments, X-ray photoelectron spectroscopy (XPS), and extended X-ray absorption fine structure (EXAFS) methods. Macroscopic
Baiyang Hu et al.
Journal of hazardous materials, 217-218, 85-91 (2012-04-03)
We developed a spongiform adsorbent that contains Prussian blue, which showed a high capacity for eliminating cesium. An in situ synthesizing approach was used to synthesize Prussian blue inside diatomite cavities. Highly dispersed carbon nanotubes (CNTs) were used to form
Guodong Sheng et al.
Journal of environmental radioactivity, 113, 108-115 (2012-06-09)
Clay minerals have been extensively studied because of their strong sorption and complexation ability. In this work, diatomite was characterized by using acid-base titration. Retention of radionuclide (60)Co(II) from aqueous solution by sorption onto diatomite was investigated by using batch
Junhua Li et al.
Journal of chromatography. B, Analytical technologies in the biomedical and life sciences, 917-918, 30-35 (2013-01-29)
A basic polypeptide L2 (252-273) derived from Escherichia coli ribosomal protein L2 was used as a purification tag. In order to develop faster, less expensive methods for expression and purification of proteins, the L2 (252-273)-small ubiquitin like modifier (SUMO) fusion
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