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22152

Sigma-Aldrich

Celite® 512 medium

filter aid, calcined

Synonym(s):

Diatomaceous earth, calcined

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About This Item

CAS Number:
MDL number:
UNSPSC Code:
11101527
PubChem Substance ID:
NACRES:
SB.54

Quality Level

form

powder

quality

calcined

composition

Al2O3, 4.0%
CaO, 0.6%
Fe2O3, 1.1%
Na2O + K2O, 1.1%
SiO2, 91.5%

median particle size

16.4 μm (acc. to granulometric method (laser sizer))

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® 512 medium is a filter aid derived from diatomaceous earth. 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.

Caution

Not Intended for cGMP Parenteral Pharmaceutical Manufacturing

Legal Information

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

Pictograms

Health hazard

Signal Word

Danger

Hazard Statements

Precautionary Statements

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

nwg

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable


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