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O3756

Sigma-Aldrich

Orange G

for NA electrophoresis

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Synonym(s):
1-Phenylazo-2-naphthol-6,8-disulfonic acid disodium salt, 7-Hydroxy-8-phenylazo-1,3-naphthalenedisulfonic acid disodium salt, Acid Orange 10, Wool Orange 2G
Empirical Formula (Hill Notation):
C16H10N2Na2O7S2
CAS Number:
Molecular Weight:
452.37
Colour Index Number:
16230
Beilstein/REAXYS Number:
4120705
EC Number:
MDL number:
PubChem Substance ID:
NACRES:
NA.52

grade

for molecular biology

Quality Level

form

powder

technique(s)

nucleic acid detection: suitable

solubility

water: 1 mg/mL, clear, orange to red

suitability

suitable for gel electrophoresis

storage temp.

room temp

SMILES string

[Na+].[Na+].Oc1ccc2cc(cc(c2c1\N=N\c3ccccc3)S([O-])(=O)=O)S([O-])(=O)=O

InChI

1S/C16H12N2O7S2.2Na/c19-13-7-6-10-8-12(26(20,21)22)9-14(27(23,24)25)15(10)16(13)18-17-11-4-2-1-3-5-11;;/h1-9,19H,(H,20,21,22)(H,23,24,25);;/q;2*+1/p-2/b18-17+;;

InChI key

HSXUHWZMNJHFRV-QIKYXUGXSA-L

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This Item
861286O7252A6014
Orange G for NA electrophoresis

O3756

Orange G

Orange G certified by the Biological Stain Commission, Dye content 80 %

861286

Orange G

Orange G certified by the Biological Stain Commission

O7252

Orange G

grade

for molecular biology

grade

certified by the Biological Stain Commission

grade

certified by the Biological Stain Commission

grade

-

technique(s)

nucleic acid detection: suitable

technique(s)

-

technique(s)

-

technique(s)

nucleic acid detection: suitable

solubility

water: 1 mg/mL, clear, orange to red

solubility

H2O: 1 mg/mL

solubility

water: 1 mg/mL, clear

solubility

ethanol: 2 mg/mL, 4 mg/mL (2-methoxyethanol (EGME)), water: 6 mg/mL (Forms a clear, dark orange or amber solution at 1mg/mL.)

form

powder

form

powder

form

powder

form

powder

storage temp.

room temp

storage temp.

room temp

storage temp.

room temp

storage temp.

room temp

General description

Orange G is an azo dye that is acidic in nature. It is widely used as a tracking dye for nucleic acid gel electrophoresis to track DNA front in agarose gels. Typically runs at 50bp in up to 2.5% agarose.

Application

Orange G has been used as a DNA gel loading dye.
Orange G is a tracking dye used in nucleic acid electrophoresis to track DNA front in agarose gels. Also used in SDS-capillary electrophoresis as a standard. Typically runs at 50bp in up to 2.5% agarose.

Storage Class

11 - Combustible Solids

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)


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Proteins of low molecular (M(r)) in human cerebrospinal fluid (CSF) were analyzed by capillary electrophoresis in a sodium dodecyl sulfate-containing polymer solution. Under the conditions employed, peaks of beta 2-microglobulin (beta MG) (M(r): 11,700), gamma-trace protein (12,300), myelin basic protein
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