Skip to Content
Merck
CN
All Photos(1)

Key Documents

View All Documentation

Safety Information

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

Quality Level

100

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.

Not finding the right product?  

Try our Product Selector Tool.

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

Regulatory Information

新产品

Choose from one of the most recent versions:

Certificates of Analysis (COA)

Lot/Batch Number
BCBJ9954V

Don't see the Right Version?

If you require a particular version, you can look up a specific certificate by the Lot or Batch number.

Search for a COA

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