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901019

Sigma-Aldrich

Carbon nanotube, multi-walled

greener alternative

50-90 nm diameter, >95% carbon basis

Synonym(s):
Multiwall carbon nanotube, MWCNT, MWNT
CAS Number:

Quality Level

description

D/G ratio: 0.1 (by Raman spectroscopy)
Real density: 2.1 g/cm^3 (by Pycnometer)

assay

>95% carbon basis

greener alternative product characteristics

Design for Energy Efficiency
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aspect ratio

>100 , by FE-SEM

diameter

50-90 nm
65 nm (by FE-SEM)

surface area

spec. surface area 28 m2/g (by N2 adsorption)

mp

3652-3697 °C (lit.)

density

~2.1 g/mL at 25 °C (lit.)

bulk density

0.007 g/cm3 (by HCC method)

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Preparation Note

Chemical Vapor Deposition (CVD) Method

Storage Class Code

13 - Non Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Certificate of Analysis

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Certificate of Origin

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