selanylidene

• ChemBase ID: 111293
• Molecular Formular: Se
• Molecular Mass: 78.96
• Monoisotopic Mass: 79.916521
• SMILES: [Se]
• Canonical SMILES: [Se]
• InChI: InChI=1S/Se
• InChIKey: BUGBHKTXTAQXES-UHFFFAOYSA-N

NAMES AND DATABASE IDS

Names

• IUPAC name: selanylidene
• IUPAC Traditional name: selanylidene; selenium
• Synonyms: Selenium; SELENIUM; Selenous acid solution; Selenium atomic spectroscopy standard concentrate 1.00 g Se; 硒; 亚硒酸 溶液; 硒原子光谱分析标准浓缩液 1.00g Se

Database IDs

• CAS Number: 7446-08-4; 7782-49-2
• EC Number: 231-957-4
• MDL Number: MFCD00134090
• PubChem SID: 24853754; 24852584; 162103242; 24845371; 24852251; 24852583
• PubChem CID: 6326970

CALCULATED PROPERTIES

• H Acceptors: 1
• H Donor: 0
• LogD (pH = 5.5): 0.1473
• LogD (pH = 7.4): 0.1473
• Log P: 0.1473
• Molar Refractivity: 13.1149 cm^3
• Polarizability: 1.4378842 Å^3
• Polar Surface Area: 0.0 Å^2
• Rotatable Bonds: 0
• Lipinski's Rule of Five: true

PROPERTIES

Physical Property

• Solubility: H2O: soluble
• Apperance: pellets; powder
• Melting Point: 217 °C(lit.)
• Boiling Point: 684.9 °C(lit.)
• Density: 4.81 g/mL at 25 °C(lit.)
• Resistivity: 1.2 μΩ-cm0°C

Safety Information

• RTECS: VS7700000
• European Hazard Symbols: Nature polluting (N); Toxic (T); Harmful (Xn)
• UN Number: 3077; 3440
• German water hazard class: 2; 3
• Hazard Class: 6.1; 9
• Packing Group: 3
• Risk Statements: 20/22-33-50/53; 23/25-33-53; R:23/25-33
• Safety Statements: 20/21-28-45-61; 61; S:28-45-20/21
• GHS Pictograms: GHS06; GHS08; GHS09
• GHS Signal Word: Danger
• GHS Hazard statements: H301-H331-H373-H413; H302-H331-H373-H410
• GHS Precautionary statements: P261-P273-P311-P501; P261-P301 + P310-P311
• Personal Protective Equipment: Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter; Eyeshields, Faceshields, Gloves, type P2 (EN 143) respirator cartridges
• RID/ADR: UN 3077 9/PG 3; UN 3440 6.1/PG 3

Product Information

• Purity: ≥99.5% trace metals basis; ≥99.99% trace metals basis; ≥99.999% trace metals basis; 99.99% trace metals basis; 99.999%
• Particle Size: <4 mm; <5 mm; -100 mesh
• Description: gray
• Shelf Life: (limited shelf life, expiry date on the label)
• Quality: ampule
• Empirical Formula (Hill Notation): Se

DETAILS

Sigma Aldrich - 209643

Packaging
50, 250 g in poly bottle

Sigma Aldrich - 229865

Packaging
5, 20, 100 g in poly bottle

Sigma Aldrich - 204307

Packaging
5, 20, 100 g in poly bottle

Sigma Aldrich - 209651

Packaging
50, 250 g in poly bottle

Sigma Aldrich - 02687

Preparation Note
prepared with H2SeO3 and H2O