Merck
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01673

Sigma-Aldrich

Acriflavine

suitable for fluorescence, BioReagent, ≥90% (AT)

Synonym(s):
3,6-Diamino-10-methylacridinium chloride mixt. with 3,6-diaminoacridine (proflavine), Euflavine, Trypaflavine Neutral
Empirical Formula (Hill Notation):
C14H14ClN3
CAS Number:
Molecular Weight:
259.73
MDL number:
PubChem Substance ID:
NACRES:
NA.32

product line

BioReagent

Quality Level

assay

≥90% (AT)

form

powder

composition

Sum of components 3,6-diaminoacridinium chloride and 3,6-diamino-10-methylacridinium chloride, ≥70% HPLC

solubility

H2O: 0.33 g/mL (lit.)(lit.)

fluorescence

λex 463 nm; λem 490 nm in ethanol

suitability

suitable for fluorescence

SMILES string

[Cl-].Nc1ccc2cc3ccc(N)cc3nc2c1.C[n+]4c5cc(N)ccc5cc6ccc(N)cc46

InChI

1S/C14H13N3.C13H11N3.ClH/c1-17-13-7-11(15)4-2-9(13)6-10-3-5-12(16)8-14(10)17;14-10-3-1-8-5-9-2-4-11(15)7-13(9)16-12(8)6-10;/h2-8H,1H3,(H3,15,16);1-7H,14-15H2;1H

InChI key

PEJLNXHANOHNSU-UHFFFAOYSA-N

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Application

Acriflavine is used to fluorescently label high molecular weight RNA molecules .
Excitation and emission wavelengths in various solvents :
  • Methanol: λex = 424 nm; λem = 518 nm
  • Ethanol: λex = 426 nm; λem = 524 nm
  • Propanol: λex = 430 nm; λem = 512 nm
  • Butanol: λex = 430 nm; λem = 526 nm
  • Formamide: λex = 434 nm; λem = 524 nm
  • Glycerol: λex = 432 nm; λem = 540 nm
  • Water: λex = 416 nm; λem = 514 nm

Insoluble in ether, chloroform, and fixed oils. Utilized in fluorescence steady state measurements as a donor molecule (when paired with rhodamine 6G as the acceptor) to function as a pH sensor .

Other Notes

DNA fluorochrome. Application in dual fluorescence analysis of cellular DNA and protein simultaneously[75]

Pictograms

Exclamation markEnvironment

Signal Word

Warning

Hazard Classifications

Acute Tox. 4 Oral - Aquatic Acute 1 - 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

Certificate of Analysis

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Certificate of Origin

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