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Merck

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:
分子量:
268.31
Beilstein:
1379389
MDL號碼:
分類程式碼代碼:
12352108
PubChem物質ID:
NACRES:
NA.32

化驗

≥99.8% (T)

形狀

solid

mp

256-259 °C (lit.)
256-259 °C

螢光

λex 500 nm; λem ~700 nm in methylene chloride

SMILES 字串

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 密鑰

NVLSIZITFJRWPY-ONEGZZNKSA-N

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應用

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.

其他說明

Standard for the correction of emission of fluorescence spectrometers

象形圖

Exclamation mark

訊號詞

Warning

危險聲明

危險分類

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

標靶器官

Respiratory system

儲存類別代碼

11 - Combustible Solids

水污染物質分類(WGK)

WGK 3

閃點(°F)

Not applicable

閃點(°C)

Not applicable

個人防護裝備

dust mask type N95 (US), Eyeshields, Gloves


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Charles A Schmuttenmaer
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Z. Anal. Chem., 170, 1-1 (1959)
Takakazu Nakabayashi et al.
Journal of the American Chemical Society, 127(19), 7041-7052 (2005-05-12)
External electric field effects on state energy and photoexcitation dynamics have been examined for para-substituted and unsubstituted all-trans-diphenylpolyenes doped in a film, based on the steady-state and picosecond time-resolved measurements of the field effects on absorption and fluorescence. The substitution
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
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Inorganic chemistry, 48(11), 4896-4907 (2009-05-02)
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