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69143

Supelco

Orange II sodium salt

analytical standard

Synonym(s):

4-(2-Hydroxy-1-naphthylazo)benzenesulfonic acid sodium salt, Acid Orange 7, Acid Orange A, Orange II, Tropaeolin 000 No. 2

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About This Item

Empirical Formula (Hill Notation):
C16H11N2NaO4S
CAS Number:
633-96-5
Molecular Weight:
350.32
Colour Index Number:
15510
Beilstein/REAXYS Number:
3898201
EC Number:
211-199-0
MDL number:
MFCD00011657
UNSPSC Code:
85151701
PubChem Substance ID:
329761408
NACRES:
NA.24

grade

analytical standard

Quality Level

100

assay

≥98.0% (HPLC)

technique(s)

HPLC: suitable
gas chromatography (GC): suitable

application(s)

cleaning products
cosmetics
food and beverages
personal care

format

neat

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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Application

Orange II sodium salt can undergo oxidation by hydrogen peroxide, which is catalyzed by ferric ion complexed to tetra amido macrocyclic ligands(FeIII–TAML activators) to give out carbon dioxide, carbon monoxide, small aliphatic carboxylic acids and phthalic acid as the major products.
Refer to the product′s Certificate of Analysis for more information on a suitable instrument technique. Contact Technical Service for further support.

Packaging

Bottomless glass bottle. Contents are inside inserted fused cone.

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Find a digital Reference Material for this product available on our online platform ChemisTwin® for NMR. You can use this digital equivalent on ChemisTwin® for your sample identity confirmation and compound quantification (with digital external standard). An NMR spectrum of this substance can be viewed and an online comparison against your sample can be performed with a few mouseclicks. Learn more here and start your free trial.

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

dust mask type N95 (US), Eyeshields, Gloves

Choose from one of the most recent versions:

Certificates of Analysis (COA)

Lot/Batch Number
1398441V
1398441

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Fe III?TAML-catalyzed green oxidative degradation of the azo dye Orange II by H 2 O 2 and organic peroxides: products, toxicity, kinetics, and mechanisms
Chahbane N, et al.
Green Chemistry, 9, 49-57 (2007)
Waheeba Ahmed Al-Amrani et al.
Water research, 46(19), 6419-6429 (2012-10-16)
In this study, the operational factors affecting the bioregeneration of AO7-loaded MAMS particles in batch system, namely redox condition, initial acclimated biomass concentration, shaking speed and type of acclimated biomass were investigated. The results revealed that with the use of
Mohammad A Behnajady et al.
Journal of nanoscience and nanotechnology, 13(1), 548-553 (2013-05-08)
In this study, monometallic and bimetallic silver and copper doped TiO2 nanoparticles were prepared by sol-gel method. Structural and morphological characterizations of prepared nanoparticles were performed by X-ray diffraction (XRD), transmission electron microscopy (TEM), scanning electron microscopy (SEM), energy dispersive
Hiromi Urano et al.
Biocontrol science, 16(3), 123-126 (2011-09-29)
The effect of sodium hypochlorite (NaOCl) on the decolorization of azo dye orange II (4-[(2-hydroxy-1-naphthalenyl) azo]-benzenesulfonic acid, monosodium salt) in aqueous solution was studied as a function of pH. The first-order rate constant of color reduction (k) was evaluated from
Fathollah Gholami-Borujeni et al.
Applied biochemistry and biotechnology, 165(5-6), 1274-1284 (2011-09-06)
A crude preparation of horseradish roots was used as a low-purity source of horseradish peroxidase (HRP) in dye decolorization experiments. The technical feasibility of the process was studied in bench scale for enzymatic removal of acid orange 7 (AO7), a
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