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6,8-Dihydroxy-1,3-pyrenedisulfonic acid disodium salt

SIGMA/37920 - BioReagent, suitable for fluorescence, ≥97.0% (HPCE)

Synonym: DHPDS; Disodium 6,8-dihydroxy-1,3-pyrenedisulfonate

CAS Number: 61255-63-8
Empirical Formula (Hill Notation): C16H8Na2O8S2
Molecular Weight: 438.34
MDL Number: MFCD00800283
Linear Formula: C16H8Na2O8S2
Product Type: Chemical
Catalog Number PKG Qty. Price Quantity
45-37920-100MG 100 mg
 $324.00
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assay ≥97.0% (HPCE)
fluorescence λex 405 nm; λem 456 nm in 0.1 M citrate pH 3.0
  λex 458 nm; λem 498 nm in 0.1 M Tris pH 8.0
form powder
InChI 1S/C16H10O8S2.2Na/c17-11-5-12(18)8-2-4-10-14(26(22,23)24)6-13(25(19,20)21)9-3-1-7(11)15(8)16(9)10;;/h1-6,17-18H,(H,19,20,21)(H,22,23,24);;/q;2*+1/p-2
InChI key JISMNCQKTAIERN-UHFFFAOYSA-L
mp ≥250 °C (lit.)
pKa  7.33
  8.53
product line BioReagent
Quality Level 100 
SMILES string [Na+].[Na+].Oc1cc(O)c2ccc3c(cc(c4ccc1c2c34)S([O-])(=O)=O)S([O-])(=O)=O
solubility DMF: soluble
  H2O: soluble
  methanol: soluble
suitability suitable for fluorescence
Application: 6,8-Dihydroxy-1,3-pyrenedisulfonic acid (DHPDS) is a pH-sensitive dye that may be used to measure pH changes inside cells (pHi). DHPDS is used to create charge transfer complexes for studies on nanostructure assembly.
Other Notes: Highly water soluble pH indicator for the physiological range
Packaging: Bottomless glass bottle. Contents are inside inserted fused cone.
Purity ≥97.0% (HPCE)
mp ≥250 °C (lit.)
UNSPSC 12352106

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