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Merck
CN

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
Beilstein:
1734744
EC Number:
211-129-9
MDL number:
MFCD00008065
UNSPSC Code:
12352100
PubChem Substance ID:
24853808
NACRES:
NA.22

Key Documents

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Quality Level

100

Assay

98%

form

solid

mp

210-215 °C (dec.)

functional group

amine

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:
  • 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

H300,H331,H373,H410

Hazard Classifications

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

Storage Class Code

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

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Regulatory Information

危险化学品
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Certificates of Analysis (COA)

Lot/Batch Number
BCCN6956
BCCL9168
BCCK4577
BCCJ5328
BCCG5429

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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
A novel synthesis of CdSe nanocrystals
Epifani M, et al.
Materials Letters, 58(19), 2429-2432 (2004)
Zakhele Ndala et al.
Nanomaterials (Basel, Switzerland), 10(9) (2020-09-13)
Herein we report on the use of different metal precursors in the synthesis of MoSe2 nanomaterials in order to control their morphology. The use of Mo(CO)6 as the metal precursor resulted in the formation of wrinkled few-layer nanosheets, while the
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.
Sang Keun Ha et al.
Biological & pharmaceutical bulletin, 28(5), 838-840 (2005-05-03)
This study investigated inhibitory effects of N,N-unsubstituted selenourea derivatives on tyrosinase activity. Three types of N,N-unsubstituted selenoureas derivatives exhibited inhibitory effect on dopa (3,4-dihydroxyphenylalanine) oxidase activity of mushroom tyrosinase. Compound D at a concentration of 200 microM exhibited 55.5% of
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