Skip to Content
Merck
All Photos(4)

Key Documents

View All Documentation

D0531

Sigma-Aldrich

5-([4,6-Dichlorotriazin-2-yl]amino)fluorescein hydrochloride

≥90% purity (HPLC), powder

Synonym(s):

DTAF

Sign Into View Organizational & Contract Pricing
All Photos(4)

About This Item

Empirical Formula (Hill Notation):
C23H12Cl2N4O5 · HCl
CAS Number:
21811-74-5
Molecular Weight:
531.73
MDL number:
MFCD00051407
UNSPSC Code:
12171500
PubChem Substance ID:
24893242
NACRES:
NA.47

product name

5-([4,6-Dichlorotriazin-2-yl]amino)fluorescein hydrochloride, ≥90% (HPLC)

Quality Level

200

Assay

≥90% (HPLC)

form

powder

color

yellow to orange

solubility

methanol: 20 mg/mL, clear to slightly hazy, yellow to orange

fluorescence

λex 495 nm; λem 516 nm

application(s)

diagnostic assay manufacturing
hematology
histology

storage temp.

2-8°C

SMILES string

Cl.Oc1ccc2c(Oc3cc(O)ccc3C24OC(=O)c5cc(Nc6nc(Cl)nc(Cl)n6)ccc45)c1

InChI

1S/C23H12Cl2N4O5.ClH/c24-21-27-22(25)29-23(28-21)26-10-1-4-13(16(7-10)20(32)33)19-14-5-2-11(30)8-17(14)34-18-9-12(31)3-6-15(18)19;/h1-9,30H,(H,32,33)(H,26,27,28,29);1H

InChI key

CEKSHCAIHGNWBK-UHFFFAOYSA-N

Looking for similar products? Visit Product Comparison Guide

Application

5-([4,6-Dichlorotriazin-2-yl]amino)fluorescein hydrochloride has been used for labeling of yeast cells to study the adhesion of yeast cells to the digestive tract of sea bass (Dicentrarchus labrax) larvae and leopard grouper (Mycteroperca rosacea). It has also been used to label bacteria (Vibrio spp.).
5-([4,6-Dichlorotriazin-2-yl]amino)fluorescein hydrochloride has been used to covalently label xanthan gum (XG) to study its gelatin behavior.
A fluorescein derivative which reacts with amino groups and N-terminal amino acids of proteins at neutral pH.

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

Choose from one of the most recent versions:

Certificates of Analysis (COA)

Lot/Batch Number
SHBQ6632
MKCC6912
MKBP7933V
29396AJV
29396AJ

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

A mechanism for the synergistic gelation properties of gelatin B and xanthan gum aqueous mixtures
Wang CS, et al.
Carbohydrate Polymers, 175, 484-492 (2017)
A gelation mechanism for gelatin/polysaccharide aqueous mixtures
Wang CS, et al.
Food Hydrocolloids, 79, 462-472 (2018)
Bruce L Granger
PloS one, 13(1), e0191194-e0191194 (2018-01-13)
Yeast wall protein 1 (Ywp1) is an abundant glycoprotein of the cell wall of the yeast form of Candida albicans, the most prevalent fungal pathogen of humans. Antibodies that bind to the polypeptide backbone of isolated Ywp1 show little binding
Assessment of fluorescent-labeled bacteria for evaluation of in vivo uptake of bacteria (Vibrio spp.) by crustacean larvae.
Soto-Rodriguez SA, et al.
Journal of Microbiological Methods, 52, 101-114 (2003)
Michael S Reid et al.
Carbohydrate polymers, 250, 116943-116943 (2020-10-15)
Fluorescently labeled cellulose nanofibrils (CNFs) were used to evaluate CNF leaching from paper according to standard safety assays for food contact materials. Enzymatically pretreated pulp was first labeled with 5-([4,6-Dichlorotriazin-2-yl]amino)fluorescein hydrochloride (DTAF), followed by homogenization to produce fluorescent CNFs of
View All Related Papers

Articles

Sensor Dyes

Nitric oxide (NO) as a signal transporter in neurons, endothelial cells and in the immune system.

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