Skip to Content
Merck
All Photos(1)

Documents

08715

Sigma-Aldrich

DAR-2

BioReagent, suitable for fluorescence, ≥97.0% (HPCE)

Synonym(s):

5,6-Diamino-N,N,N′,N′-tetraethylrhodamine, 5,6-Diamino-rhodamine B

Sign Into View Organizational & Contract Pricing
All Photos(1)

About This Item

Empirical Formula (Hill Notation):
C28H32N4O3
CAS Number:
261351-45-5
Molecular Weight:
472.58
MDL number:
MFCD08276989
UNSPSC Code:
12352200
PubChem Substance ID:
329748628
NACRES:
NA.32

product line

BioReagent

Assay

≥97.0% (HPCE)

form

powder

fluorescence

λex 562 nm; λem 579 nm in 0.1 M phosphate pH 7.4, NO

suitability

suitable for fluorescence

SMILES string

CCN(CC)c1ccc2c(Oc3cc(ccc3C24OC(=O)c5cc(N)c(N)cc45)N(CC)CC)c1

InChI

1S/C28H32N4O3/c1-5-31(6-2)17-9-11-20-25(13-17)34-26-14-18(32(7-3)8-4)10-12-21(26)28(20)22-16-24(30)23(29)15-19(22)27(33)35-28/h9-16H,5-8,29-30H2,1-4H3

InChI key

LJSMMWFTVBPRDS-UHFFFAOYSA-N

Application

Suitable as fluorescent NO-sensor.

Pictograms

Exclamation mark
GHS07

Signal Word

Warning

Hazard Statements

H302

Hazard Classifications

Acute Tox. 4 Oral

Storage Class Code

13 - Non 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’.

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library

H Kojima et al.
Analytical chemistry, 73(9), 1967-1973 (2001-05-17)
Diaminofluoresceins are widely used for detection and imaging of nitric oxide (NO), but for biological applications, they have the disadvantages that the fluorescence of the fluorescein chromophore is pH-sensitive and overlaps the autofluorescence of cells. We have developed a membrane-permeable
H. Kojima et al.
Tetrahedron Letters, 41, 69-69 (2000)

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service