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364835

Sigma-Aldrich

Disperse Yellow 7

Dye content 95 %

Synonym(s):

4-[4-(Phenylazo)phenylazo]-o-cresol

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About This Item

Linear Formula:
C6H5N=NC6H4N=NC6H3(CH3)OH
CAS Number:
6300-37-4
Molecular Weight:
316.36
Colour Index Number:
26090
EC Number:
228-587-0
MDL number:
MFCD00002230
UNSPSC Code:
12352103
PubChem Substance ID:
24862460

composition

Dye content, 95%

mp

146-148 °C (dec.) (lit.)

λmax

385 nm

SMILES string

Cc1cc(ccc1O)\N=N\c2ccc(cc2)\N=N\c3ccccc3

InChI

1S/C19H16N4O/c1-14-13-18(11-12-19(14)24)23-22-17-9-7-16(8-10-17)21-20-15-5-3-2-4-6-15/h2-13,24H,1H3/b21-20+,23-22+

InChI key

VGKYEIFFSOPYEW-RLJRJAJVSA-N

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Application

NLO material

Pictograms

Exclamation mark
GHS07

Signal Word

Warning

Hazard Statements

H315,H319,H335

Hazard Classifications

Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3

Target Organs

Respiratory system

Storage Class Code

11 - 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

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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[Experimental study of the blastomogenic properties of the disperse dye fast yellow 4K].
N M Kuz'menko et al.
Gigiena i sanitariia, (7)(7), 6-8 (1983-07-01)
Davide Tamburro et al.
Journal of the American Chemical Society, 133(47), 19178-19188 (2011-10-18)
Many low-abundance biomarkers for early detection of cancer and other diseases are invisible to mass spectrometry because they exist in body fluids in very low concentrations, are masked by high-abundance proteins such as albumin and immunoglobulins, and are very labile.

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