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Merck
CN

364835

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

Key Documents

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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

Regulatory Information

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Certificates of Analysis (COA)

Lot/Batch Number
MKBQ4690V
MKBL6047V
MKBH3046V
07515CH
10105MS

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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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