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410497

Sigma-Aldrich

4-(Dicyanomethylen)-2-methyl-6-(4-dimethylaminostyryl)-4H-pyran

Dye content 98 %

Synonym(e):

DCM

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250 MG
€ 55,80
1 G
€ 182,00

About This Item

Empirische Formel (Hill-System):
C19H17N3O
CAS-Nummer:
51325-91-8
Molekulargewicht:
303.36
EG-Nummer:
257-137-6
MDL-Nummer:
MFCD00051341
UNSPSC-Code:
12352103
PubChem Substanz-ID:
24865530
NACRES:
NA.23

€ 55,80

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Form

solid

Qualitätsniveau

200

Zusammensetzung

Dye content, 98%

mp (Schmelzpunkt)

215-220 °C (lit.)

λmax

468 nm

Leistung von OLED-Bauelementen

ITO/Alq3:DCM/Alq3/Mg:Ag

  • Color: red
  • Max. EQE: 1.3 %

ITO/TPD/Alq3:DCM (10%)/Alq3/Mg:Ag
  • Color: red
  • Max. Luminance: 150 Cd/m2

SMILES String

CN(C)c1ccc(\C=C\C2=CC(\C=C(C)O2)=C(\C#N)C#N)cc1

InChI

1S/C19H17N3O/c1-14-10-16(17(12-20)13-21)11-19(23-14)9-6-15-4-7-18(8-5-15)22(2)3/h4-11H,1-3H3/b9-6+

InChIKey

YLYPIBBGWLKELC-RMKNXTFCSA-N

Verwandte Kategorien

Allgemeine Beschreibung

4-(Dicyanomethylene)-2-methyl-6-(4-dimethylaminostyryl)-4H-pyran (DCM) is a red laser dye that consists of dicyanomethylene as an electron acceptor and dimethylaniline group as an electron donor. It has a π-conjugated 4H-pyran-4-ylidiene which bridges both the acceptor/donor groups. It can be used as a dopant and also in organic solid state lasers.[1][2]

Anwendung

DCM can be used as a laser dye to enhance the emission of distributed feedback (DFB) device by FÖrster resonance energy transfer (FRET).[3] It may be used as a capping layer that allows the conversion of blue to red colored emission in organic light emitting diodes (OLED).[4] DCM may also find potential applications in the enhancement of energy transfer of different devices like metal organic frameworks (MOFs),[5] dye sensitized solar cells (DSSCs)[6] and polarity sensors.[7]

Leistungsmerkmale und Vorteile

Voltage-tunable multicolor emission with enhanced luminance (~1000 cd/m2) was observed using varying amounts of DCM dye in a polymer light-emitting diode (PLED).[8]

Piktogramme

FlameExclamation mark
GHS02,GHS07

Signalwort

Danger

Gefahreneinstufungen

Acute Tox. 4 Inhalation - Eye Irrit. 2 - Flam. Sol. 1 - Skin Irrit. 2 - STOT SE 3

Zielorgane

Respiratory system

Lagerklassenschlüssel

4.1B - Flammable solid hazardous materials

WGK

WGK 3

Flammpunkt (°F)

109.4 °F - closed cup

Flammpunkt (°C)

43 °C - closed cup

Persönliche Schutzausrüstung

Eyeshields, Gloves, type P3 (EN 143) respirator cartridges

Hier finden Sie alle aktuellen Versionen:

Analysenzertifikate (COA)

Lot/Batch Number
SHBM8496
MKBX0728V
MKBP5232V
79396PJV
79396PJ

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Marco Leonetti et al.
Optics letters, 34(24), 3764-3766 (2009-12-18)
We present a detailed study of the gain length in an active medium obtained by doping of DNA strands with 4-(dicyanomethylene)-2-methyl-6-(4-dimethylaminostyryl)-4H-pyran dye molecules. The superior thermal stability of the composite and its low quenching permit one to obtain an optical
Panchromatic quasi-solid-state squaraine dye sensitized solar cells enhanced by Forster resonance energy transfer of DCM-pyran.
Yun H, et al.
Dyes and Pigments, 113(3), 675-681 (2015)
Kaur, A. et al.
Synt. Metals, 126, 283-283 (2002)
Pratik Sen et al.
The journal of physical chemistry. B, 109(8), 3319-3323 (2006-07-21)
Solvation dynamics of 4-(dicyanomethylene)-2-methyl-6(p-dimethylaminostyryl) 4H-pyran (DCM) has been studied in a dipalmitoyl-phosphatidylcholine (DPPC) vesicle entrapped in a sodium silicate derived sol-gel glass. Solvation dynamics in DPPC in a sol-gel glass is described by two components of 350 +/- 50 ps
C D Tran et al.
Analytical chemistry, 65(13), 1675-1681 (1993-07-01)
Advantages of the acousto-optic tunable filter (AOTF), namely its ability for fast scanning and multiple-wavelength diffraction, were exploited to develop a novel, all solid-state, nonmoving parts spectrofluorometer. This instrument is based on the use of two AOTFs: one for excitation
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  1. How can I determine the shelf life / expiration / retest date of this product?

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    1. If this product has an expiration or retest date, it will be shown on the Certificate of Analysis (COA, CofA). If there is no retest or expiration date listed on the product's COA, we do not have suitable stability data to determine a shelf life. For these products, the only date on the COA will be the release date; a retest, expiration, or use-by-date will not be displayed.
      For all products, we recommend handling per defined conditions as printed in our product literature and website product descriptions. We recommend that products should be routinely inspected by customers to ensure they perform as expected.
      For products without retest or expiration dates, our standard warranty of 1 year from the date of shipment is applicable.
      For more information, please refer to the Product Dating Information document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/449/386/product-dating-information-mk.pdf

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  2. How is shipping temperature determined? And how is it related to the product storage temperature?

    1 answer

    1. Products may be shipped at a different temperature than the recommended long-term storage temperature. If the product quality is sensitive to short-term exposure to conditions other than the recommended long-term storage, it will be shipped on wet or dry-ice. If the product quality is NOT affected by short-term exposure to conditions other than the recommended long-term storage, it will be shipped at ambient temperature. As shipping routes are configured for minimum transit times, shipping at ambient temperature helps control shipping costs for our customers. For more information, please refer to the Storage and Transport Conditions document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/316/622/storage-transport-conditions-mk.pdf

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