Skip to Content
Merck
All Photos(2)

Key Documents

View All Documentation

525235

Sigma-Aldrich

Celpure® P65

meets USP/NF testing specifications

Synonym(s):

Diatomaceous earth, Diatomaceous silica, Kieselguhr

Sign Into View Organizational & Contract Pricing
All Photos(2)

About This Item

CAS Number:
61790-53-2
MDL number:
MFCD00132803
UNSPSC Code:
11101527
PubChem Substance ID:
329757849
NACRES:
NA.21

Agency

meets USP/NF testing specifications

Quality Level

200

form

solid

specific activity

≤1 EU/g (endotoxin)

composition

SiO2, 98%

parameter

0.065 (Permeability)

particle size

~0.20 mm

SMILES string

O=[Si]=O

InChI

1S/O2Si/c1-3-2

InChI key

VYPSYNLAJGMNEJ-UHFFFAOYSA-N

Looking for similar products? Visit Product Comparison Guide

General description

Celpure® P65 (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 an 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
Highly insoluble, inert material for use as a filtration aid.

Legal Information

Product of Imerys Filtration Minerals
Celpure is a registered trademark of Advanced Minerals Corporation

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’.

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library

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)
C D Martin et al.
Medical and veterinary entomology, 26(3), 323-333 (2012-03-31)
Hen housing (cage or cage-free) did not impact overall abundances of northern fowl mites, Ornithonyssus sylviarum (Canestrini & Fanzago) (Acari: Macronyssidae), or chicken body lice, Menacanthus stramineus (Nitzsch) (Phthiraptera: Menoponidae). Cage-free hens received a dustbox with sand plus diatomaceous earth
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
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
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
View All Related Papers

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service