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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:
Molecular Weight:
350.32
Colour Index Number:
15510
Beilstein:
3898201
EC Number:
MDL number:
UNSPSC Code:
85151701
PubChem Substance ID:
NACRES:
NA.24

grade

analytical standard

Quality Level

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(FeIIIā€“TAML activators) to give out carbon dioxide, carbon monoxide, small aliphatic carboxylic acids and phthalic acid as the major products.
Refer to the productā€²s 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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Storage Class Code

13 - Non Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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Certificates of Analysis (COA)

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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)
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
Pengfei Ji et al.
Environmental technology, 33(4-6), 467-472 (2012-05-29)
CeO2 nanoparticles were prepared by a simple precipitation method, followed by calcination treatment. By selecting photocatalytic degradation of acid orange 7 (AO7) as a probe reaction, the influences of calcination temperature of catalyst, the concentration of AO7, initial pH value
Tadashi Ohashi et al.
Molecules (Basel, Switzerland), 17(12), 14219-14229 (2012-12-04)
Azo dyes are generally resistant to biodegradation due to their complex structures. Acid orange II is one of the most widely used dyes in the textile industry. The influence of bovine serum albumin (BSA) in different concentrations, pH, and time
Soon-An Ong et al.
Journal of environmental sciences (China), 24(2), 291-296 (2012-06-05)
We investigated the decolorization of Orange II with and without the addition of co-substrates and nutrients under an anaerobic sequencing batch reactor (ASBR). The increase in COD concentrations from 900 to 1750 to 3730 mg/L in the system treating 100

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