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Sigma-Aldrich

Carbon

glassy, spherical powder, 2-12 μm, 99.95% trace metals basis

Synonym(s):

Carbon

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About This Item

Empirical Formula (Hill Notation):
C
CAS Number:
7440-44-0
Molecular Weight:
12.01
EC Number:
231-153-3
UNSPSC Code:
11101522
PubChem Substance ID:
24871935
NACRES:
NA.23

Quality Level

200

Assay

99.95% trace metals basis

form

glassy, spherical powder

mol wt

Mw 12.011 g/mol

composition

C

particle size

2-12 μm

density

1.8-2.1 g/cm3

application(s)

battery manufacturing

InChI

1S/C

InChI key

OKTJSMMVPCPJKN-UHFFFAOYSA-N

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General description

Glassy carbon shows only short range order in its structure. Photoacoustic doppler effect from the suspension of spherical carbon particles was investigated. Glassy carbon exhibits a specific conductivity of 700Scm-1. 4

Application

Amorphous carbon may be used to develop zero temperature coefficient of resistance (TCR) based systems. Glassy carbon has been used as a catalyst support for bimetallic Rh–ReOx. It may be used to enhance the accuracy of infrared (IR) surface temperature measurements on micro-electro-mechanical systems (MEMS).

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Certificates of Analysis (COA)

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Smart conducting polymer composites having zero temperature coefficient of resistance
Chu K, et al.
Nanoscale, 7, 471-478 (2015)
Use of carbon microparticles for improved infrared temperature measurement of CMOS MEMS devices.
Hopper RH, et al.
Measurement Science and Technology, 21 null
From 5-hydroxymethylfurfural (HMF) to polymer precursors: catalyst screening studies on the conversion of 1, 2, 6-hexanetriol to 1, 6-hexanediol.
Buntara T, et al.
Topics in Catalysis, 55(5-7), 612-619 (2012)
Photoacoustic doppler effect from flowing small light-absorbing particles.
Fang H, et al.
Physical Review Letters, 99, 184501-184501 null
I N Kurchenko et al.
Mikrobiolohichnyi zhurnal (Kiev, Ukraine : 1993), 75(3), 12-23 (2013-07-23)
The ability of soil and endophytic strains of P. funiculosum to accumulate biomass under cultivation conditions in media containing carbon sources from mono- to polysaccharides has been studied. It has been shown that the most favorable carbon sources for the
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