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Merck

195235

Sigma-Aldrich

Orange II sodium salt

(Certified by the Biological Stain Commission), Dye content ≥85 %

Sinónimos:

Orange II

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About This Item

Fórmula empírica (notación de Hill):
C16H11N2NaO4S
Número de CAS:
Peso molecular:
350.32
Colour Index Number:
15510
Beilstein/REAXYS Number:
3898201
EC Number:
MDL number:
UNSPSC Code:
12171500
PubChem Substance ID:
NACRES:
NA.47

product line

BioXtra

Quality Level

form

powder

composition

Dye content, ≥85%

λmax

483 nm

ε (extinction coefficient)

≥17000 at 480-486 nm in water at 0.01 g/L
≥26500 at 225-231 nm in water at 0.01 g/L
≥7500 at 307-313 nm in water at 0.01 g/L

application(s)

diagnostic assay manufacturing
hematology
histology

storage temp.

room temp

SMILES string

[Na+].Oc1ccc2ccccc2c1\N=N\c3ccc(cc3)S([O-])(=O)=O

InChI

1S/C16H12N2O4S.Na/c19-15-10-5-11-3-1-2-4-14(11)16(15)18-17-12-6-8-13(9-7-12)23(20,21)22;/h1-10,19H,(H,20,21,22);/q;+1/p-1/b18-17+;

Inchi Key

CQPFMGBJSMSXLP-ZAGWXBKKSA-M

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Suitability

Certified for use in the Wilson-Ezrin method for pituitary acidophils, as a counterstain following Heidenhain′s or Weigert′s hematoxylin on paraffin sections, and as a substitute for orange G in Floemming′s triple stain.

Storage Class

13 - Non Combustible Solids

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

dust mask type N95 (US), Eyeshields, Gloves


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Jie Wu et al.
Journal of hazardous materials, 215-216, 138-145 (2012-03-17)
A novel process in which electrochemistry (EC) was coupled with ferrous ion activation of peroxydisulfate (Fe(2+)/S(2)O(8)(2-)) was proposed for the decolorization of Acid Orange 7. In this process, the reaction between peroxydisulfate and externally added ferrous ion results in the
Yan-Qing Wang et al.
Journal of photochemistry and photobiology. B, Biology, 113, 14-21 (2012-05-30)
The interactions between human hemoglobin and orange I (or orange II) were investigated by UV/vis absorption, circular dichroism, fluorescence spectra techniques, and molecular modeling method. Orange I and orange II effectively quenched the intrinsic fluorescence of human hemoglobin by static
Deepika Parasuraman et al.
Chemphyschem : a European journal of chemical physics and physical chemistry, 13(10), 2507-2515 (2012-04-28)
We review our recent efforts utilizing poly(N-isopropylacrylamide)-co-acrylic acid (pNIPAm-co-AAc) microgels and their assemblies for the removal of an azo-dye molecule, 4-(2-Hyrodxy-1-napthylazo) benzenesulfonic acid sodium salt (Orange II), from aqueous solutions. First, the ability of dispersed, single microgels to remove Orange
Ashish Yadav et al.
Toxicology letters, 208(3), 239-245 (2011-12-06)
Orange II, an azo dye, is not permitted in food preparations, but high levels of the dye have been detected in different food commodities. Though there are reports on the toxicity of Orange II but knowledge based on the immunomodulatory
Penghui Shi et al.
Journal of hazardous materials, 229-230, 331-339 (2012-06-29)
The current paper investigated the removal of the azo dye Orange II from water using advanced oxidation processes based on sulfate radicals. The cobalt oxide catalyst immobilized on graphene oxide (GO) can activate peroxymonosulfate (PMS) for the degradation of Orange

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