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/418/501/product-dating-information-06-25-mk.pdf
Fortfahren mit
719781
Kohlenstoff-Nanofasern
graphitized (iron-free), composed of conical platelets, D × L 100 nm × 20-200 μm
Synonym(e):
Kohlenstoff Nanofasern, konisch
Über diesen Artikel
form
powder
greener alternative product characteristics
Design for Energy Efficiency
Learn more about the Principles of Green Chemistry.
sustainability
Greener Alternative Product
D × L
100 nm × 20-200 μm
surface area
24 m2/g
impurities
iron-free, <100 ppm Iron content
average diameter
130 nm
pore size
0.075 cm3/g average pore volume, 124 Å average pore diameter
mp
3652-3697 °C
density
1.9 g/mL at 25 °C
bulk density
0.5‑3.5 lb/cu.ft
greener alternative category
SMILES string
[C]
InChI
1S/C
InChI key
OKTJSMMVPCPJKN-UHFFFAOYSA-N
General description
Application
Preparation Note
Legal Information
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signalword
Warning
hcodes
Hazard Classifications
Eye Irrit. 2 - STOT SE 3
target_organs
Respiratory system
Lagerklasse
11 - Combustible Solids
wgk
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
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How can I determine the shelf life / expiration / retest date of this product?
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How is shipping temperature determined? And how is it related to the product storage temperature?
1 answer-
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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What is the electrical conductivity of this carbon nanofiber?
1 answer-
Unfortunately, no electrical conductivity test has been performed for this product.
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What kind of solvents can i use to get a good distribution?
1 answer-
Please review the Product Information Sheet at the link below. Dispersion in several systems is described: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/product/documents/559/770/719781bul.pdf
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