652474

Sigma-Aldrich

Carbon nanotube, single-walled, poly(ethylene glycol) functionalized

>80% carbon basis, D × L 4-5 nm × 0.5-0.6 μm , bundle dimensions

Synonym(s):
Carbon nanotube, single-walled, PEG functionalized, SWNT, PEG functionalized
MDL number:
NACRES:
NA.23

Quality Level

assay

>80% carbon basis

form

powder

mol wt

Mw ~600 g/mol (PEG)

D × L

4-5 nm × 0.5-0.6 μm , bundle dimensions

impurities

4-5% trace metals

solubility

H2O: 5 mg/mL

functional group

PEG

Related Categories

Packaging

100 mg in glass insert

Preparation Note

Electric Arc Discharge Method
Procedure for dispersion of this PEG-functionalized SWNTs product in water:
Typically after this procedure, the material is completely dispersed according to visual observation.
Sonicate 50 mg of material in 5 mL water for 30 min. (A bath sonicator with a sonic power between 45 W and 270 W works fine. A sonic power of 270 W is preferable for faster dispersion).
Add 45 mL of water and sonicate for additional 60 min (or until the material appears well-dispersed).
Dilute the dispersion to the desired concentration and sonicate if necessary. If aggregates are still visible continue to sonicate until satisfactory dispersion is obtained. Note: If unable to achieve a satisfactory dispersion, reduce the initial amount of 50 mg of material in 5 mL of water.
This procedure is to be used as a basis and additional procedures can be researched. Results may vary if this is the first time working with this material. Solubility of this PEG-functionalized SWNTs product can reach 5.0 mg/mL in water.

Analysis Note

Carbonaceous content

Pictograms

Exclamation mark

Signal Word

Warning

Hazard Statements

Precautionary Statements

Target Organs

Respiratory system

Personal Protective Equipment

dust mask type N95 (US),Eyeshields,Gloves

RIDADR

NONH for all modes of transport

WGK Germany

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Nano Letters, 3, 309-309 (2003)
Functionalized carbon nanomaterials: exploring the interactions with Caco-2 cells for potential oral drug delivery
Coyuco JC, et al.
International journal of nanomedicine, 6, 2253-2253 (2011)
Articles
Carbon nanotubes are materials that possess remarkable properties and offer extraordinary possibilities.
Read More
Carbon nanotubes (CNTs) have received much attention since their discovery in 1991 by Sumio lijima1 due to their excellent mechanical, electrical, and optical properties.
Read More
A nanocomposite is typically defined as a mixture between a host material (e.g., polymer matrix) and nanofillers with at least one dimension of less than 100 nm.
Read More
Single-walled carbon nanotubes (SWCNTs) are promising materials for use in the active channel of field-effect transistors (FETs), photoabsorbing layers of solar cells and photodetectors because of their ultrafast charge transport mobility.
Read More

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