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796034

Sigma-Aldrich

Graphene oxide

powder, 15-20 sheets, 4-10% edge-oxidized

Synonym(s):
graphite oxide
Linear Formula:
CxOyHz
PubChem Substance ID:

Quality Level

form

powder

feature

avg. no. of layers 15 ‑ 20

solubility

water: dispersible (polar solvents)

bulk density

~1.8 g/cm3

SMILES string

O=C(O)C1C2=C3C4=C5C6=C7C8=C9C%10=C%11C(C%12=C%13C%10=C%14C8=C%15C6=C%16C4=C%17C2=CC(C(O)=O)C%18=C%17C%19=C%16C%20=C%15C%21=C%14C%22=C%13C(C%23=C%24C%22=C%25C%21=C%26C%20=C%27C%19=C%28C%18=CC(C(O)=O)C%29=C%28C%30=C%27C%31=C%26C%32=C%25C%33=C%24C(C%34=C%35C

InChI

1S/C140H42O20/c141-131(142)26-13-23-15-44-62(140(159)160)45-16-24-14-40-31(132(143)144)5-1-29-41-20-48(135(149)150)56-33-7-3-28-27-2-6-32-55-37(133(145)146)11-9-35-60(138(155)156)42-17-25-18-43-61(139(157)158)36-10-12-38(134(147)148)58-46-21-50(137(153)154)59-47-22-49(136(151)152)57-34-8-4-30-39(19-26)51(23)78-72(44)88-75(45)80-52(24)79(54(29)40)95-71(41)83(56)101-93-69(33)64(28)91-90-63(27)68(32)92-86(66(35)55)73(42)81-53(25)82-74(43)87(67(36)58)96-76(46)85(59)103-97-77(47)84(57)102-94-70(34)65(30)89(78)105-104(88)115-98(80)111(95)116(101)126-122-110(93)107(91)120-119-106(90)108(92)99(81)114-100(82)112(96)118(103)128(124(114)119)123-113(97)117(102)127(130(122)129(120)123)121(109(94)105)125(115)126/h2,5,7-10,12-22,26,38,48-50H,1,3-4,6,11H2,(H,141,142)(H,143,144)(H,145,146)(H,147,148)(H,149,150)(H,151,152)(H,153,154)(H,155,156)(H,157,158)(H,159,160)

InChI key

VTWITIAIMADGRM-UHFFFAOYSA-N

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1 of 4

This Item
794341900704763713
Graphene oxide powder, 15-20 sheets, 4-10% edge-oxidized

Sigma-Aldrich

796034

Graphene oxide

Graphene oxide 15-20 sheets, 4-10% edge-oxidized, 1 mg/mL, dispersion in H2O

Sigma-Aldrich

794341

Graphene oxide

Graphene oxide paste, non-exfoliated

Sigma-Aldrich

900704

Graphene oxide

Graphene oxide sheets

Sigma-Aldrich

763713

Graphene oxide

form

powder

form

dispersion in H2O

form

paste

form

powder or flakes

Quality Level

100

Quality Level

100

Quality Level

100

Quality Level

100

feature

avg. no. of layers 15 ‑ 20

feature

avg. no. of layers 15 ‑ 20

feature

-

feature

-

solubility

water: dispersible (polar solvents)

solubility

-

solubility

-

solubility

-

bulk density

~1.8 g/cm3

bulk density

-

bulk density

-

bulk density

-

General description

  • Form: Brown/Black powder
  • Bulk Density: ~1.8 g/cm3
  • Solubility: Dispersible in water and polar solvents
  • Number of layers: 15-20
  • Oxidation: 4-10%
The material basically consists of exfoliated graphene nanoplatelets containing functional organic groups. The oxygen content is less than 5%; the majority groups are hydroxyls (OH), which enables further chemical modifications to add new functionalities. The functionalization approach was designed to attach most of the groups on the border of the foils, aiming to preserve the intrinsic properties of graphene (e.g.: electric conductivity).

Application

The product is aimed for dispersion and/or incorporation in polar solvents (e.g.: water, THF and DMF) and polar polymeric matrices (e.g.: PLA, PA and PET). It is suitable for in situ polymerization, direct resin mixing and molding, solvent dissolution, extrusion processing after incorporation. Potential applications include:
  • Nanocomposites [1,2]
  • Anti-corrosion coatings [3,4]
  • Films with barrier properties [5,6]
  • Membranes for separation [7,8]
  • Conductive inks [9,10]
  • Energy storage [11,12]

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable


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