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83694

Sigma-Aldrich

Rhodamine 101 inner salt

for fluorescence

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About This Item

Empirical Formula (Hill Notation):
C32H30N2O3
CAS Number:
116450-56-7
Molecular Weight:
490.59
Beilstein:
5680006
MDL number:
MFCD00210089
UNSPSC Code:
12171500
PubChem Substance ID:
57652963
NACRES:
NA.32

grade

for fluorescence

form

solid

solubility

methanol: soluble

fluorescence

λex 560 nm; λem 589 nm in methanol

SMILES string

[O-]C(=O)c1ccccc1C2=C3C=C4CCC[N+]5=C4C(CCC5)=C3Oc6c7CCCN8CCCc(cc26)c78

InChI

1S/C32H30N2O3/c35-32(36)22-10-2-1-9-21(22)27-25-17-19-7-3-13-33-15-5-11-23(28(19)33)30(25)37-31-24-12-6-16-34-14-4-8-20(29(24)34)18-26(27)31/h1-2,9-10,17-18H,3-8,11-16H2

InChI key

MUSLHCJRTRQOSP-UHFFFAOYSA-N

General description

Rhodamine 101 (Rh101) is a highly stable fluorophore in the rhodamine family.

Application

Rhodamine 101 (Rh101, compound 1) has been used:
  • as a reference model for analysing extra fluorochromic properties of rhodamine derivatives
  • as a reference against thioflavin t (ThT) in the determination of ensemble photophysical properties
  • as reference compound for comparing the quantum yields of nanocrystals

Biochem/physiol Actions

Rhodamine 101 (Rh101) is useful as a reference material to measure the fluorescence quantum yield.

Pictograms

Exclamation mark
GHS07

Signal Word

Warning

Hazard Statements

H315,H319,H335

Hazard Classifications

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

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Photochemical & photobiological sciences : Official journal of the European Photochemistry Association and the European Society for Photobiology (2020-05-21)
Diarylethene derivatives having benzothiophene S,S-dioxide groups undergo turn-on mode fluorescence photoswitching. For the practical application to super-resolution fluorescence microscopy, photoswitchable fluorescent molecules are desired to be resistant against photodegradation. Here we synthesized turn-on mode fluorescent diarylethenes having electron-withdrawing (trifluoromethyl or
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