59818
8-Isothiocyanatopyrene-1,3,6-trisulfonic acid trisodium salt
suitable for fluorescence, ≥95.0% (HPCE)
Synonym(s):
Trisodium 8-isothiocyanatopyrene-1,3,6-trisulfonate
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About This Item
Empirical Formula (Hill Notation):
C17H6NNa3O9S4
CAS Number:
Molecular Weight:
565.46
MDL number:
UNSPSC Code:
12352200
PubChem Substance ID:
Assay
≥95.0% (HPCE)
solubility
DMSO: soluble
H2O: soluble
fluorescence
λex 401 nm; λem 421 nm in 0.1 M phosphate pH 7.0
suitability
suitable for fluorescence
storage temp.
−20°C
SMILES string
[Na+].[Na+].[Na+].[O-]S(=O)(=O)c1cc(N=C=S)c2ccc3c(cc(c4ccc1c2c34)S([O-])(=O)=O)S([O-])(=O)=O
Application
8-Isothiocyanatopyrene-1,3,6-trisulfonic acid, an analogue of 8-Methoxypyrene-1,3,6-trisulfonic acid, is used as a photoacid with potential value to study excited state proton transfer.
Other Notes
For epsilon-labeling of peptides
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
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[On epsilon-labelling of peptides: automatic sequence analysis of insulin (author's transl)].
G Braunitzer et al.
Hoppe-Seyler's Zeitschrift fur physiologische Chemie, 354(12), 1563-1566 (1973-12-01)
Pavel Leiderman et al.
The journal of physical chemistry. A, 110(17), 5573-5584 (2006-04-28)
Time-resolved emission and steady-state fluorescence techniques are used to study the excited-state intermolecular proton transfer from 8-hydroxypyrene-1,3,6-trisulfonate (HPTS or pyranine) to water in the presence of inert salts, NaCl and MgCl(2). At low salt concentrations, up to about 0.5 M
D B Spry et al.
The journal of physical chemistry. B, 113(30), 10210-10221 (2009-07-04)
Proton transfer in protonated Nafion fuel cell membranes is studied using several pyrene derivative photoacids. Proton transfer in the center of the Nafion nanoscopic water channels is probed with the highly charged photoacid 8-hydroxypyrene-1,3,6-trisulfonate (HPTS). At high hydration levels, both
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