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55328

Sigma-Aldrich

8-Hydroxy-N,N,N′,N′,N″,N″-hexamethylpyrene-1,3,6-trisulfonamide

suitable for fluorescence, ≥95% (HPCE)

Synonym(s):

8-Hydroxypyrene-1,3,6-tris(dimethylsulfonamide)

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About This Item

Empirical Formula (Hill Notation):
C22H25N3O7S3
CAS Number:
Molecular Weight:
539.64
MDL number:
UNSPSC Code:
12171500
PubChem Substance ID:
NACRES:
NA.32

Quality Level

assay

≥95% (HPCE)

form

solid

pKa 

5.7

mp

276 °C (lit.)

solubility

DMF: soluble
DMSO: soluble
alcohols: soluble

fluorescence

λex 490 nm; λem 545 nm in 0.1 M Tris pH 9.0

suitability

suitable for fluorescence

SMILES string

CN(C)S(=O)(=O)c1cc(O)c2ccc3c(cc(c4ccc1c2c34)S(=O)(=O)N(C)C)S(=O)(=O)N(C)C

InChI

1S/C22H25N3O7S3/c1-23(2)33(27,28)18-11-17(26)13-7-8-15-19(34(29,30)24(3)4)12-20(35(31,32)25(5)6)16-10-9-14(18)21(13)22(15)16/h7-12,26H,1-6H3

InChI key

IMRMTOQIIAICNM-UHFFFAOYSA-N

Application

suitable as pH-indicator

Other Notes

Fluorescent pH indicator for the weakly acidic pH range and enzyme substrate reference standard

pictograms

Exclamation mark

signalword

Warning

Hazard Classifications

Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3

target_organs

Respiratory system

Storage Class

11 - Combustible Solids

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

dust mask type N95 (US), Eyeshields, Gloves


Certificates of Analysis (COA)

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E. Koller et al.
Appl. Fluoresc. Technol., 1, 15-15 (1989)

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