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282863

Sigma-Aldrich

Graphite

powder, <20 μm, synthetic

Synonym(s):

carbon allotrope

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About This Item

Empirical Formula (Hill Notation):
C
CAS Number:
7782-42-5
Molecular Weight:
12.01
EC Number:
231-955-3
MDL number:
MFCD00144065
UNSPSC Code:
12352103
PubChem Substance ID:
24857078
NACRES:
NA.23
Pricing and availability is not currently available.

Quality Level

200

form

powder

mol wt

Mw 12.011 g/mol

composition

C

particle size

<20 μm

mp

3652-3697 °C (lit.)

density

2.26 g/cm3 (lit.)

application(s)

battery manufacturing

SMILES string

[C]

InChI

1S/C

InChI key

OKTJSMMVPCPJKN-UHFFFAOYSA-N

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General description

Graphite is an allotrope of carbon. Graphite is a nonmetallic showing high electrical conductivity. Synthetic graphite can be prepared by heating carbonaceous precursor in an inert atmosphere.
Graphite is the most stable allotrope of carbon under standard conditions.The only nonmetallic conductor of electricity. Graphite powder is used as an additive to alter the magnetorheology and electrical conductivity of magnetorheological elastomers (MREs).[1][2]

Application

Graphite powder has been used:
  • in the synthesis of single sheet graphene nanoflakes[3]
  • in the preparation of graphite based magnetorheological elastomers[4]
  • free standing film like cantilever sensor in piezoelectric device[5]
  • to study its use as a catalyst for wet peroxide oxidation.[6]

Oxidation of carbon dust was studied.
Synthesis of graphite based MR elastomers have been reported.[2] It may be used in the preparation of graphite oxide[7] and anode in lithium ion battery.[8]

Storage Class Code

11 - Combustible Solids

WGK

nwg

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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Certificates of Analysis (COA)

Lot/Batch Number
BCCM8396
0000411394
0000411394
0000375841
0000375860

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Ruben Sanchez-Hidalgo et al.
Polymers, 11(3) (2019-04-10)
Multifunctional elastomer nanocomposites have been applied in several high-tech fields. The design of materials with tailored properties capable of tuning their performance is a topical challenge. Here, we demonstrate that it is possible to modulate the mechanical and transport properties
Microstructure and magnetorheology of graphite based MR elastomers.
Tian TF, et al.
Rheologica Acta, 50, 825-836 (2011)
Sensing capabilities of graphite based MR elastomers
Tian TF, et al.
Smart Materials and Structures, 20(2) (2011)
Effect of mechanical milling of graphite powder on lithium intercalation properties
Natarajan C, et al.
The Journal of Practical Nursing, 92(1), 187-192 (2001)
Layer-by-Layer Assembly of Ultrathin Composite Films from Micron-Sized Graphite Oxide Sheets and Polycations
Kovtyukhova NI, et al.
Chemistry of Materials, 11, 771-778 (1999)
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Questions

1–7 of 7 Questions  

  1. How is shipping temperature determined? And how is it related to the product storage temperature?

    1 answer

    1. Products may be shipped at a different temperature than the recommended long-term storage temperature. If the product quality is sensitive to short-term exposure to conditions other than the recommended long-term storage, it will be shipped on wet or dry-ice. If the product quality is NOT affected by short-term exposure to conditions other than the recommended long-term storage, it will be shipped at ambient temperature. As shipping routes are configured for minimum transit times, shipping at ambient temperature helps control shipping costs for our customers. For more information, please refer to the Storage and Transport Conditions document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/316/622/storage-transport-conditions-mk.pdf

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  2. How can I determine the shelf life / expiration / retest date of this product?

    1 answer

    1. If this product has an expiration or retest date, it will be shown on the Certificate of Analysis (COA, CofA). If there is no retest or expiration date listed on the product's COA, we do not have suitable stability data to determine a shelf life. For these products, the only date on the COA will be the release date; a retest, expiration, or use-by-date will not be displayed.
      For all products, we recommend handling per defined conditions as printed in our product literature and website product descriptions. We recommend that products should be routinely inspected by customers to ensure they perform as expected.
      For products without retest or expiration dates, our standard warranty of 1 year from the date of shipment is applicable.
      For more information, please refer to the Product Dating Information document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/449/386/product-dating-information-mk.pdf

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  3. What are the particle size distributions? First capacity? First efficiency? Tap Density?

    1 answer

    1. The capacity, efficiency, and tap density of this material are not determined. The particle size distribution is also not determined; the particles are simply screened to be 20 microns or less.

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  4. what is the percentage of carbon?

    1 answer

    1. Unfortunately, the carbon content of this material has not been determined. However, this is synthetic graphite. The carbon content for synthetically produced material tends to be quite high.

      Helpful?

  5. What is the purity of the product?

    1 answer

    1. Unfortunately, the purity of this product is not determined.

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  6. Do you have any battery performance data for this material https://www.sigmaaldrich.com/SE/en/product/aldrich/282863#product-documentation

    1 answer

    1. This product is not tested for its battery performance. All data acquired can be seen on the lot-specific COA and product page. In this case, that includes the particle size and appearance.

      Helpful?

  7. I have a question regarding graphite powder with this code :282863. Could you please provide me with its surface area

    1 answer

    1. The estimated surface area range is 6.5 - 10.5 m2/gm.

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