278882
1,1-Dimethyl-2-selenourea
97%
Synonym(s):
1,1-Dimethylselenourea, N,N-Dimethylselenourea
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About This Item
Linear Formula:
(CH3)2NC(Se)NH2
CAS Number:
Molecular Weight:
151.07
EC Number:
MDL number:
UNSPSC Code:
12352100
PubChem Substance ID:
NACRES:
NA.22
Quality Level
Assay
97%
mp
172-174 °C (lit.)
storage temp.
2-8°C
SMILES string
CN(C)C(N)=[Se]
InChI
1S/C3H8N2Se/c1-5(2)3(4)6/h1-2H3,(H2,4,6)
InChI key
NRTHBQJARHPPAU-UHFFFAOYSA-N
Related Categories
General description
One-electron oxidation of 1,1-dimethyl-2-selenourea (1,1′-dimethyl-2-selenourea) by hydroxyl radicals, one-electron-specific oxidants, was studied using pulse radiolysis technique.
Application
1,1-Dimethyl-2-selenourea was used as precursor to synthesize CdSe quantum dots in aqueous solution under simultaneous illumination with a diode-pumped solid state green laser and a Xe-Hg lamp.
Signal Word
Danger
Hazard Statements
Precautionary Statements
Hazard Classifications
Acute Tox. 3 Inhalation - Acute Tox. 3 Oral - Aquatic Acute 1 - Aquatic Chronic 1 - STOT RE 2
WGK
WGK 3
Flash Point(F)
Not applicable
Flash Point(C)
Not applicable
Personal Protective Equipment
dust mask type N95 (US), Eyeshields, Gloves
Regulatory Information
危险化学品
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Yang-Wei Lin et al.
Journal of nanoscience and nanotechnology, 6(4), 1092-1100 (2006-06-02)
This paper describes the synthesis of highly water-soluble and fluorescent core-shell-shell silica-CdSe/CdS-silica nanoparticles (CSS silica-QDs-silica NPs). We used cadmium nitrate and 1,1-dimethyl-2-selenourea precursors to synthesize CdSe quantum dots (QDs) in aqueous solution under simultaneous illumination with a diode-pumped solid state
Pulse and ?-radiolysis studies on aqueous solution of 1, 1'-dimethyl-2-selenourea.
Mishra BB, et al.
Radiation Physics and Chemistry, 77(2), 125-130 (2008)
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