MilliporeSigma
All Photos(2)

39255

Sigma-Aldrich

4-Dimethylamino-4′-nitrostilbene

≥99.8% (T)

Synonym(s):
DANS, N,N-Dimethyl-4′-nitro-4-stilbenamine
Linear Formula:
(CH3)2NC6H4CH=CHC6H4NO2
CAS Number:
Molecular Weight:
268.31
Beilstein:
1379389
MDL number:
PubChem Substance ID:
NACRES:
NA.32

assay

≥99.8% (T)

form

solid

mp

256-259 °C (lit.)
256-259 °C

fluorescence

λex 500 nm; λem ~700 nm in methylene chloride

SMILES string

CN(C)c1ccc(\C=C\c2ccc(cc2)[N+]([O-])=O)cc1

InChI

1S/C16H16N2O2/c1-17(2)15-9-5-13(6-10-15)3-4-14-7-11-16(12-8-14)18(19)20/h3-12H,1-2H3/b4-3+

Inchi Key

NVLSIZITFJRWPY-ONEGZZNKSA-N

Looking for similar products? Visit Product Comparison Guide

Application

4-Dimethylamino-4′-nitrostilbene (DANS, DMANS) may be used as a proton/acid indicator and physical chemistry probe to study state energy and photoexcitation dynamics of molecules.

Packaging

500 mg in glass bottle

Other Notes

Standard for the correction of emission of fluorescence spectrometers

Pictograms

Exclamation mark

Signal Word

Warning

Hazard Statements

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

Certificate of Analysis

Enter Lot Number to search for Certificate of Analysis (COA).

Certificate of Origin

Enter Lot Number to search for Certificate of Origin (COO).

More Documents

SDS

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