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Xylene Cyanole FF

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Xylene Cyanole FF Basic information

Product Name:
Xylene Cyanole FF
Synonyms:
  • 1,3-benzenedisulfonicacid,4-[[4-(ethylamino)-3-methylphenyl][4-(ethylimino)-3
  • 1,3-Benzenedisulfonicacid,4-[[4-(ethylamino)-3-methylphenyl][4-(ethylimino)-3-methyl-2,5-cyclohexadien-1-ylidene]methyl]-,monosodiumsalt
  • 5-cyclohexadien-1-ylidene]methyl]--methyl-monosodiumsalt
  • XC
  • XYLENE CYANOL
  • XYLENE CYANOLE FF
  • ACID BLUE 147
  • Acid Blue 147(42135)
CAS:
2650-17-1
MF:
C25H29N2NaO6S2
MW:
540.62
EINECS:
220-167-5
Mol File:
2650-17-1.mol
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Xylene Cyanole FF Chemical Properties

Melting point:
295°C
storage temp. 
room temp
solubility 
H2O: complete1mg/mL, clear, blue
Colour Index 
42135
form 
Solid
color 
Green
PH Range
2.9 (purple) - 4.6 (green)(Methyl Orange - Xylene Cyanol)
Water Solubility 
Soluble in water.
Stability:
Stable. Moisture-sensitive. Incompatible with strong oxidizing agents.
CAS DataBase Reference
2650-17-1(CAS DataBase Reference)
EPA Substance Registry System
1,3-Benzenedisulfonic acid, 4-[[4-(ethylamino)-3-methylphenyl][4-(ethylimino)-3-methyl-2,5-cyclohexadien-1-ylidene]methyl]-, monosodium salt (2650-17-1)
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Safety Information

Hazard Codes 
Xi
Risk Statements 
36/37/38
Safety Statements 
26-36-24/25
WGK Germany 
3
TSCA 
Yes
HS Code 
32041900
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Xylene Cyanole FF Usage And Synthesis

Chemical Properties

dark green or blue-grey crystals

Uses

Suitable as a tracking dye for DNA sequencing.

Uses

Xylene Cyanol FF is a tracking dye commonly used for nucleic acids. The compound has been used in both electrophoresis polyacrylamide and agarose gels for various evaluations including DNA sequencing. The compound has also been used in a mobility shift analysis of ssDNA. In addition, two highly sensitive spectrophotometric assays have been developed for the detection of platinum (IV) (sc-250738, Platinum(IV) chloride) and Chromium (sc-214714) with the use of Xylene Cyanol FF. As an organic dye-inactivated Sendai virus vaccine, Xylene Cyanol FF displayed strong protection against the virus.

Preparation

4-Formylbenzene-1,3-disulfonic acid (1 Moore) and N-ethyl-2-methylbenzenamine (2 Moore) condensation, garnish with heavy chromate salt-oxalic acid oxidation its product.

General Description

Xylene cyanol is often used as a tracking dye during agarose or polyacrylamide gel electrophoresis. It has a slightly negative charge and will migrate in the same direction as DNA, allowing the user to monitor the progress of molecules moving through the gel. The tracking dye typically migrates with the DNA molecules around 5kb. Xylene cyanol may also be used in loading buffer that facilitates the observation of the sample during gel loading and electrophoresis.

Biochem/physiol Actions

Xylene Cyanol FF acts as nucleic acid stain.

Properties and Applications

bright blue. Soluble in water to blue.

Standard Light Fastness Soaping Persperation Fastness Oxygen bleaching Fastness to seawater
Fading Stain Fading Stain Fading Stain
ISO 2 2 3-4 2-3 1 2-3 1
AATCC 2 4-5 4-5 2-3 1 2 2

Xylene Cyanole FFSupplier

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