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44426

Supelco

Metanil Yellow

analytical standard

Synonym(s):

3-(4-Anilinophenylazo)benzenesulfonic acid sodium salt, Acid Yellow 36

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About This Item

Empirical Formula (Hill Notation):
C18H14N3NaO3S
CAS Number:
587-98-4
Molecular Weight:
375.38
Colour Index Number:
13065
Beilstein:
3831568
EC Number:
209-608-2
MDL number:
MFCD00007486
UNSPSC Code:
85151701
PubChem Substance ID:
329756506
NACRES:
NA.24

grade

analytical standard

Quality Level

100

Assay

≥98.0% (HPLC)

shelf life

limited shelf life, expiry date on the label

technique(s)

HPLC: suitable
gas chromatography (GC): suitable

application(s)

cleaning products
cosmetics
food and beverages
personal care

format

neat

SMILES string

[Na+].[O-]S(=O)(=O)c1cccc(c1)\N=N\c2ccc(Nc3ccccc3)cc2

InChI

1S/C18H15N3O3S.Na/c22-25(23,24)18-8-4-7-17(13-18)21-20-16-11-9-15(10-12-16)19-14-5-2-1-3-6-14;/h1-13,19H,(H,22,23,24);/q;+1/p-1/b21-20+;

InChI key

NYGZLYXAPMMJTE-ANVLNOONSA-M

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General description

Metanil Yellow (MY) belongs to the azo group of dyes.

Application

Metanil Yellow (MY) may be used as an analytical reference standard for the determination of MY in:
  • Lipsticks and eye shadows by microwave-assisted dispersive liquid-liquid microextraction (MA-DLLME) using solidification of the floating organic droplet (SFOD) clean-up followed by analysis using high performance liquid chromatography-diode array detection (HPLC-DAD).
  • Ball-point pen ink, in paper ink and in turmeric raw materials as well as finished products by HPLC-DAD.

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.

Recommended products

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.

Pictograms

Corrosion
GHS05

Signal Word

Danger

Hazard Statements

H318 - H412

Hazard Classifications

Aquatic Chronic 3 - Eye Dam. 1

Storage Class Code

11 - Combustible Solids

WGK

WGK 2

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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Certificates of Analysis (COA)

Lot/Batch Number

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Microwave-assisted dispersive liquid-liquid microextraction coupling to solidification of floating organic droplet for colorants analysis in selected cosmetics by liquid chromatography.
Zhong Z, et al.
Talanta, 194, 46-54 (2019)
Curcuminoids in Turmeric Roots and Supplements: Method Optimization and Validation.
Mudge E, et al.
Food Analytical Methods, 9(5), 1428-1435 (2017)
Gas chromatography-mass spectrometry and high-performance liquid chromatography-diode array detection for dating of paper ink.
Diaz-Santana O, et al.
Microchemical Journal, Devoted to the Application of Microtechniques in All Branches of Science, 1515, 187-195 (2017)
Comparison of the main dating methods for six ball-point pen inks.
Diaz-Santana O, et al.
Microchemical Journal, Devoted to the Application of Microtechniques in All Branches of Science, 138, 550-561 (2018)
O Anjaneya et al.
Journal of hazardous materials, 190(1-3), 351-358 (2011-04-08)
Two different bacterial strains capable of decolorizing a highly water soluble azo dye Metanil Yellow were isolated from dye contaminated soil sample collected from Atul Dyeing Industry, Bellary, India. The individual bacterial strains Bacillus sp. AK1 and Lysinibacillus sp. AK2
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