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791431

Sigma-Aldrich

Carbon nanotube, multi-walled

greener alternative

avg. no. of layers, 6 ‑ 8

Synonym(s):

SMW 210, SWeNT®, multiwall carbon nanotubes, MWCNT, MWNT, Multiwall carbon nanotube

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About This Item

CAS Number:
308068-56-6
UNSPSC Code:
12352103

description

Aspect ratio (L/D) 350-550
Tubes typically have 6-8 tube walls.

Assay

70-80% (Carbon content, TGA)

form

powder or granules

feature

avg. no. of layers 6 ‑ 8

greener alternative product characteristics

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

surface resistivity

700-900 Ω/sq (by 4-point probe method)

O.D. × I.D. × L

10 nm × 4.5 nm × 4 μm

mp

3652-3697 °C (lit.)

density

~2.1 g/mL at 25 °C (lit.)

bulk density

0.06‑0.08 g/cm3

greener alternative category

Enabling

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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. Find details here.

Application

A specialty multiwall material primarily intended to impart conductivity to polymers and resins at very low loading and where cost is critical.

Preparation Note

CoMoCat™ Catalytic Chemical Vapor Deposition (CVD) Method

Legal Information

Product of SouthWest NanoTechnologies; Inc.
CoMoCAT is a trademark of Chasm Advanced Materials
SWeNT is a registered trademark of Chasm Advanced Materials

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

JAN Code

791431-25G:
791431-BULK:
791431-100G:
791431-VAR:

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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