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Sigma-Aldrich

Lumidot™ CdSe

640, core-type quantum dots, 5 mg/mL in toluene

Synonym(s):

Cadmium monoselenide, Cadmium selenide

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About This Item

Empirical Formula (Hill Notation):
CdSe
CAS Number:
1306-24-7
Molecular Weight:
191.37
MDL number:
MFCD00010917
UNSPSC Code:
26111700
PubChem Substance ID:
329760229

Quality Level

200

form

dispersion

concentration

5 mg/mL in toluene

particle size

6.2-7.7 nm

λmax

615-625 nm

fluorescence

λem 635-645 nm

storage temp.

2-8°C

InChI

1S/Cd.Se

InChI key

AQCDIIAORKRFCD-UHFFFAOYSA-N

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General description

Organically stabilized cadmium selenide quantum dots in toluene

Application

Commercial Volumes of Quantum Dots: Controlled Nanoscale Synthesis and Micron-Scale Applications

Analysis Note

Particle size was determined by TEM according to the procedure of Yu, W. W., et al., Chem. Mater., 2003, 15, 2854.
Quantum yield was measured following the procedure of Qu, L., Peng, X., J. Am. Chem. Soc., 2002, 124-2049.

Other Notes

Lifetime one year if stored properly

Legal Information

Product of Nanoco Technologies sold under US and worldwide patents and patents pending.
Lumidot is a trademark of Sigma-Aldrich Co. LLC

signalword

Danger

Hazard Classifications

Aquatic Chronic 2 - Asp. Tox. 1 - Flam. Liq. 2 - Repr. 2 - Skin Irrit. 2 - STOT RE 2 - STOT SE 3

target_organs

Central nervous system, Respiratory system

Storage Class

3 - Flammable liquids

wgk_germany

WGK 3

flash_point_f

39.2 °F

flash_point_c

4 °C

ppe

Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter

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Certificates of Analysis (COA)

Lot/Batch Number
MKBP6334V
MKBM7968V
MKBJ9381V
MKBH8232V
MKBH8232

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David T R Stewart et al.
Environmental toxicology and chemistry, 32(6), 1288-1294 (2013-02-19)
The present study addresses the bioaccumulation behavior of cadmium selenide quantum dots by Eisenia andrei earthworms in a terrestrial environment. Earthworms were exposed to quantum dot-treated soil for up to 4 wk and analyzed for cadmium and selenium concentration using
Haritz Etxeberria et al.
Journal of nanoscience and nanotechnology, 13(1), 643-648 (2013-05-08)
CdSe nanoparticles with polystyrene (PS) brushes are obtained by "grafting through" technique starting from solely aqueously synthesized nanoparticles. Mercaptoethanol (ME) capped nanoparticles are used to achieve double bond functional groups on the surface by condensation reaction with methacryloxypropyltrimethoxysilane (MPS). PS
Yuanyuan Wang et al.
Inorganic chemistry, 52(6), 2933-2938 (2013-03-06)
Four [(CdSe)13(RNH2)13] derivatives (R = n-propyl, n-pentyl, n-octyl, and oleyl) are prepared by reaction of Cd(OAc)2·2H2O and selenourea in the corresponding primary-amine solvent. Nanoclusters grow in spontaneously formed amine-bilayer templates and are characterized by elemental analysis, IR spectroscopy, UV-vis spectroscopy
Shancheng Yan et al.
Journal of nanoscience and nanotechnology, 13(1), 23-32 (2013-05-08)
Semiconducting nanowire heterostructures are of particular interest because of their fascinating properties and potential applications in the field of nanoscale science. CdS, with a direct bandgap of 2.42 eV, is considered to be an excellent material for various optoelectronic applications
Yong Li et al.
ACS nano, 7(3), 2240-2248 (2013-02-13)
Microbial cells have shown a great potential to biosynthesize inorganic nanoparticles within their orderly regulated intracellular environment. However, very little is known about the mechanism of nanoparticle biosynthesis. Therefore, it is difficult to control intracellular synthesis through the manipulation of
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