All Photos(1)
Synonym(s):
2-Selenourea, Carbamimidoselenoic acid, Isoselenourea, Selenouronium
Linear Formula:
NH2CSeNH2
CAS Number:
Molecular Weight:
123.02
Beilstein:
1734744
EC Number:
MDL number:
UNSPSC Code:
12352100
PubChem Substance ID:
NACRES:
NA.22
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Quality Level
Assay
98%
form
solid
mp
210-215 °C (dec.)
SMILES string
NC(N)=[Se]
InChI
1S/CH4N2Se/c2-1(3)4/h(H4,2,3,4)
InChI key
IYKVLICPFCEZOF-UHFFFAOYSA-N
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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:
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.
Signal Word
Danger
Hazard Statements
Precautionary Statements
Hazard Classifications
Acute Tox. 2 Oral - Acute Tox. 3 Inhalation - 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
Certificates of Analysis (COA)
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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
Milind Devidas Deore et al.
Veterinary and human toxicology, 44(5), 260-263 (2002-10-04)
Selenium (SC) toxicity was experimentally induced in male buffalo calves following repeated oral administration of 0.3 mg selenourea/kg (providing 0.19 mg/Se kg) for 75 d. On the basis of the major toxic effects produced in the experimental animals, 10 additional
M Narender et al.
The Journal of organic chemistry, 72(5), 1849-1851 (2007-02-03)
Selenazoles were synthesized from alpha-bromo ketones and selenourea in the presence of beta-cyclodextrin in water at 50 degrees C under atmospheric pressure.
V Prakash Reddy et al.
The Journal of organic chemistry, 75(24), 8720-8723 (2010-11-26)
Selenourea is used as an effective selenium surrogate in the C-Se cross-coupling reaction catalyzed by copper oxide nanoparticles under ligand free conditions. This protocol has been utilized for the synthesis of a variety of symmetrical diaryl selenides in good to
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