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242241

Sigma-Aldrich

Activated charcoal

greener alternative

DARCO®, 12-20 mesh, granular

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Synonym(s):
Charcoal activated
Empirical Formula (Hill Notation):
C
CAS Number:
7440-44-0
Molecular Weight:
12.01
EC Number:
231-153-3
MDL number:
MFCD00133992
UNSPSC Code:
11101522
PubChem Substance ID:
329752603
NACRES:
SB.52

vapor pressure

<0.1 mmHg ( 20 °C)

Quality Level

100

form

granular

autoignition temp.

842 °F

manufacturer/tradename

DARCO®

greener alternative product characteristics

Design for Energy Efficiency
Learn more about the Principles of Green Chemistry.

sustainability

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resistivity

1375 μΩ-cm, 20°C (graphite)

impurities

≤0.40% dust
≤12% moisture content

particle size

12-20 mesh

mp

3550 °C (lit.)

greener alternative category

SMILES string

[C]

InChI

1S/C

InChI key

OKTJSMMVPCPJKN-UHFFFAOYSA-N

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General description

We are committed to bringing you Greener Alternative Products, which adhere to one or more of The 12 Principles of Greener Chemistry. This product has been enhanced for energy efficiency. Click here for more details.

Application

Activated charcoal (DARCO®, 12-20 mesh, granular) can be used in the effective adsorption of cadmium from aqueous solution. It can also be used in selective adsorption of phenanthrene with a selectivity of ~57.

Other Notes

Acid-washed lignite carbon for general uses.

Legal Information

DARCO is a registered trademark of Cabot Norit Americas, Inc.

WGK

WGK 3

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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  1. Which document(s) contains shelf-life or expiration date information for a given product?

    If available for a given product, the recommended re-test date or the expiration date can be found on the Certificate of Analysis.

  2. How do I get lot-specific information or a Certificate of Analysis?

    The lot specific COA document can be found by entering the lot number above under the "Documents" section.

  3. How do I find price and availability?

    There are several ways to find pricing and availability for our products. Once you log onto our website, you will find the price and availability displayed on the product detail page. You can contact any of our Customer Sales and Service offices to receive a quote.  USA customers:  1-800-325-3010 or view local office numbers.

  4. What is the Department of Transportation shipping information for this product?

    Transportation information can be found in Section 14 of the product's (M)SDS.To access the shipping information for this material, use the link on the product detail page for the product. 

  5. What is the typical apparent density of Product 242241, DARCO Acid Washed Activated charcoal?

    The typical apparent density of Product 242241 is 0.38 g/mL, or 23.5 lb/ft3.

  6. What is the typical pore volume of Product 242241, DARCO Acid Washed Activated charcoal?

    The typical pore volume of Product 242241 is 0.95 mL/g.

  7. What is the purpose of the acid washing performed on Product 242241, DARCO Acid Washed Activated charcoal?

    The acid washing performed on Product 242241 removes minute impurities from the surface of the particles and from the pores.

  8. What is the typical surface area of Product 242241, DARCO Acid Washed Activated charcoal?

    The typical surface area of Product 242241 is 650 m2/g.

  9. My question is not addressed here, how can I contact Technical Service for assistance?

    Ask a Scientist here.

Cadmium and copper removal by a granular activated carbon in laboratory column systems.
Gabaldon C, et al.
Separation Science and Technology, 35(7), 1039-1053 (2000)
Cadmium and zinc adsorption onto activated carbon: influence of temperature, pH and metal/carbon ratio
Marzal P, et al.
Journal of Chemical Technology and Biotechnology, 66(3), 279-285 (1996)
Effect of pH, cation concentration and sorbent concentration on cadmium and copper removal by a granular activated carbon.
Seco A, et al.
Journal of Chemical Technology and Biotechnology, 74(9), 911-918 (1999)
Selective adsorption of phenanthrene dissolved in surfactant solution using activated carbon
Ahn CK, et al.
Chemosphere, 69(11), 1681-1688 (2007)
The effects of the surface oxidation of activated carbon, the solution pH and the temperature on adsorption of ibuprofen
Guedidi H, et al.
Carbon, 54, 432-443 (2013)
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