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Merck

230499

Selenourea

98%

Synonym(s):

2-Selenourea, Carbamimidoselenoic acid, Isoselenourea, Selenouronium

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About This Item

Linear Formula:
NH2CSeNH2
CAS Number:
630-10-4
Molecular Weight:
123.02
UNSPSC Code:
12352100
NACRES:
NA.22
PubChem Substance ID:
24853808
EC Number:
211-129-9
Beilstein/REAXYS Number:
1734744
MDL number:
MFCD00008065
Assay:
98%
Form:
solid

Key Documents

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InChI key

IYKVLICPFCEZOF-UHFFFAOYSA-N

InChI

1S/CH4N2Se/c2-1(3)4/h(H4,2,3,4)

SMILES string

NC(N)=[Se]

assay

98%

form

solid

mp

210-215 °C (dec.)

functional group

amine

Quality Level

100

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Application

Selenourea [(SeC(NH2)2)] has been used as a selenium (Se) precursor for the insertion of Se into protein crystals.
It can also be used as a reagent to synthesize:
  • Selenazoles from α -bromo ketones presence of β -cyclodextrin.
  • Symmetrical diaryl selenides by C-Se cross coupling reaction in presence of coper oxide nanaoparticles as a catalyst.
  • CdSe nanocrystals.

signalword

Danger

Hazard Classifications

Acute Tox. 2 Oral - Acute Tox. 3 Inhalation - Aquatic Acute 1 - Aquatic Chronic 1 - STOT RE 2

Storage Class

6.1A - Combustible acute toxic Cat. 1 and 2 / very toxic hazardous materials

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Faceshields, Gloves, type P2 (EN 143) respirator cartridges

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Certificates of Analysis (COA)

Lot/Batch Number
BCCP3276
BCCN6956
BCCL9168
BCCK4577
BCCJ5328

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A novel synthesis of CdSe nanocrystals
Epifani M, et al.
Materials Letters, 58(19), 2429-2432 (2004)
Sung Min Kwon et al.
Science advances, 4(4), eaap9104-eaap9104 (2018-04-18)
We report a general strategy for obtaining high-quality, large-area metal-chalcogenide semiconductor films from precursors combining chelated metal salts with chalcoureas or chalcoamides. Using conventional organic solvents, such precursors enable the expeditious formation of chalco-gels, which are easily transformed into the
B Mishra et al.
The journal of physical chemistry. A, 110(5), 1894-1900 (2006-02-03)
Pulse radiolysis coupled with absorption detection has been employed to study one-electron oxidation of selenomethionine (SeM), selenocystine (SeCys), methyl selenocysteine (MeSeCys), and selenourea (SeU) in aqueous solutions. Hydroxyl radicals (*OH) in the pH range from 1 to 7 and specific
B Mishra et al.
The journal of physical chemistry. B, 109(26), 12718-12723 (2006-07-21)
Reactions of biological oxidizing agents, such as hydroxyl radicals ((*)OH), singlet oxygen ((1)O(2)), hydrogen peroxide (H(2)O(2)), and peroxynitrite (ONOO(-)) with selenourea were studied. The kinetics of the reactions was followed using time-resolved techniques, and the bimolecular rate constants were determined.
K P Kalyanikutty et al.
Journal of nanoscience and nanotechnology, 7(6), 1916-1922 (2007-07-28)
Two-dimensional nanostructures in the form of ultra-thin crystalline films of CdSe and CuSe have been prepared at the organic-aqueous interface by reacting toluene solutions of metal cupferronates with an aqueous solution of N,N-dimethyl selenourea. The films have been examined using
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