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73225

Supelco

Butter Yellow

analytical standard

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Synonym(s):
Dimethyl yellow, 4-(Dimethylamino)azobenzene, N,N-Dimethyl-4-(phenylazo)aniline, Butter yellow, Methyl yellow
Linear Formula:
C6H5N=NC6H4N(CH3)2
CAS Number:
Molecular Weight:
225.29
Colour Index Number:
11020
Beilstein:
746016
EC Number:
MDL number:
UNSPSC Code:
85151701
PubChem Substance ID:
NACRES:
NA.24

grade

analytical standard

Quality Level

Assay

≥98.0% (HPLC)

shelf life

limited shelf life, expiry date on the label

technique(s)

HPLC: suitable
gas chromatography (GC): suitable

mp

111 °C (dec.) (lit.)

application(s)

cleaning products
cosmetics
food and beverages
personal care

format

neat

SMILES string

CN(C)c1ccc(cc1)N=Nc2ccccc2

InChI

1S/C14H15N3/c1-17(2)14-10-8-13(9-11-14)16-15-12-6-4-3-5-7-12/h3-11H,1-2H3

InChI key

JCYPECIVGRXBMO-UHFFFAOYSA-N

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General description

Butter Yellow is a food dye widely used in industrial food production and is found to be carcinogenic in nature.

Application

Butter Yellow may be used as an analytical reference standard for the quantification of the analyte in food products using gel permeation chromatography and liquid chromatography coupled to electrospray ionization-tandem mass spectrometry.
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

Skull and crossbonesHealth hazard

Signal Word

Danger

Hazard Statements

Precautionary Statements

Hazard Classifications

Acute Tox. 3 Oral - Carc. 2

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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A novel fluorescent sensor for the detection of Hg(2+) in aqueous media was developed. The method takes advantages of the highly selective thymine-Hg(2+)-thymine coordination and the sensitive "signal-on" structure-switching molecular beacon.
Vivek Mishra et al.
European journal of cancer (Oxford, England : 1990), 48(13), 2075-2085 (2011-11-11)
Carcinogenic potential of argemone oil (AO) and butter yellow (BY), the adulterants encountered in edible oil, in gall bladder of Swiss albino mice was undertaken to investigate the potential aetiological factors of gall bladder carcinoma (GBC) in the Indo-Gangetic basin.

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