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39255

Sigma-Aldrich

4-二甲基氨基-4′-硝基苯乙烯

≥99.8% (T)

别名:

N,N-Dimethyl-4′-nitro-4-stilbenamine, DANS

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About This Item

线性分子式:
(CH3)2NC6H4CH=CHC6H4NO2
CAS号:
2844-15-7
分子量:
268.31
Beilstein:
1379389
MDL编号:
MFCD00041877
UNSPSC代码:
12352108
PubChem化学物质编号:
57649889
NACRES:
NA.32

方案

≥99.8% (T)

表单

solid

mp

256-259 °C (lit.)
256-259 °C

荧光

λex 500 nm; λem ~700 nm in methylene chloride

SMILES字符串

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

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应用

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.

其他说明

Standard for the correction of emission of fluorescence spectrometers

象形图

Exclamation mark
GHS07

警示用语：

Warning

危险声明

H315,H319,H335

危险分类

Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3

靶器官

Respiratory system

储存分类代码

11 - Combustible Solids

WGK

WGK 3

闪点(°F)

Not applicable

闪点(°C)

Not applicable

个人防护装备

dust mask type N95 (US), Eyeshields, Gloves

历史批次信息供参考:

分析证书(COA)

Lot/Batch Number
0000413670
0000413670
0000308594
0000308594
0000189542

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I D Petsalakis et al.
The journal of physical chemistry. A, 114(17), 5580-5587 (2010-04-14)
A theoretical investigation on the electronic structure of 4-dimethylamino-4'-nitrostilbene (DANS), 4-(dicyanomethylene)-2-methyl-6-p-(dimethylamino) styryl-4H-pyran (DCM), and their protonated forms is presented in an effort to rationalize recent experimental results on the tuning of the emitted color of organic light-emitting diodes through photochemically
Lenhart et al.
Journal of colloid and interface science, 221(1), 75-86 (2000-01-07)
Silane coupling agents are commonly applied to glass fibers to promote fiber/resin adhesion and enhance durability in composite parts. In this study, a coupling agent multilayer on glass was doped with trace levels of the dimethylaminonitrostilbene (DMANS) fluorophore. The fluorophore
Antonios M Douvas et al.
Inorganic chemistry, 48(11), 4896-4907 (2009-05-02)
The capability of ammonium 18-molybdodiphosphate, (NH(4))(6)P(2)Mo(18)O(62) (Mo(18)(6-)), and ammonium 18-tungstodiphosphate, (NH(4))(6)P(2)W(18)O(62) (W(18)(6-)), to photochemically generate acid within films of a polymer with hydroxylic functional groups (namely, within poly(2-hydroxyethyl methacrylate) (PHEMA) films) is demonstrated. Upon UV irradiation, both 2:18 polyoxometalates (POMs)
Antonio Barbon et al.
Physical chemistry chemical physics : PCCP, 8(43), 5069-5078 (2006-11-09)
Two dyes (4-nitrostilbene, NST and 4-N,N-dimethylamino-4'-nitrostilbene, DANS) included in zeolites with nanometric channels and different Si : Al ratios have been photoexcited and their triplet state studied by time resolved EPR (TR-EPR). This is the first time that a TR-EPR
E. Lippert et al.
Z. Anal. Chem., 170, 1-1 (1959)
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