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755168

Sigma-Aldrich

Carbon nanotube, double-walled

<10% Metal Oxide(TGA)

Synonym(s):

NC-2100, DWNT, Double wall carbon nanotubes

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About This Item

CAS Number:
308068-56-6
MDL number:
MFCD06411993
UNSPSC Code:
12352103
Pricing and availability is not currently available.
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form

powder

avg. diam. × L

3.5 nm × 1-10 μm , TEM

surface area

>500 m2/g , BET

impurities

<10% Metal Oxide (TGA)

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Vitamins Kit ~98% (Components, TLC)

V1

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Vitamin K4 &#8805;98% (HPLC)

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Vitamin D2 solution 100&#160;&#956;g/mL in ethanol, 98% (CP)

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705470

Vitamin K-d7 (5,6,7,8-d4, 2-methyl-d3)

Quality Level

200

Quality Level

200

Quality Level

200

Quality Level

200

form

powder

form

powder

form

solution

form

liquid

assay

~98% (Components, TLC)

assay

≥98% (HPLC)

assay

98% (CP)

assay

97% (CP Sum of E & Z Isomers)

color

light yellow to dark yellow

color

white to off-white

color

colorless

color

yellow to orange

storage temp.

−20°C

storage temp.

2-8°C

storage temp.

−20°C

storage temp.

−20°C

General description

Structure of double walled carbon nanotubes (DWNTs) can be imagined as a two coaxial concentric single walled carbon nanotubes (SWNTs). It has been prepared by catalytic chemical vapor deposition. DWNTs exhibit excellent field emission properties and may be potentially useful as field emission displays (FEDs) and field emission transistors (FETs).[1][2]

Application

Applications include:
  • Electronics[3]
  • Sensors[4]
  • Composites
  • Energy Storage
  • Study of Life Science systems[5]

Preparation Note

Catalytic Carbon Vapor Deposition (CCVD) Method

Legal Information

Product of Nanocyl, Inc.

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

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    Certificates of Analysis (COA)

    Lot/Batch Number
    MKCC2277
    MKBZ1952V
    MKBK2364V

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