230499

Selenourea

98%

• Synonym(s): 2-Selenourea, Carbamimidoselenoic acid, Isoselenourea, Selenouronium
• 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

Properties

• 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

Description

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.

Safety Information

• Pictograms: GHS06,GHS08,GHS09
• Signal Word: Danger
• Hazard Statements: H300,H331,H373,H410
• Precautionary Statements: P260 - P264 - P273 - P301 + P310 - P304 + P340 + P311 - P314
• 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