Selenium

$29.34 - $4361.66

Price

Brand	Packaging	Price	Product name
American Custom Chemicals Corporation ING0004860	50G	$2466.01	SELENIUM METAL
American Custom Chemicals Corporation ING0004860	250G	$4361.66	SELENIUM METAL
Apolloscientific IN3160	50g	$69	Selenium, amorphous powder
Apolloscientific IN3160	25g	$55	Selenium, amorphous powder
Biosynth FS153706	0.5kg	$767	Selenium
Biosynth FS153706	0.25kg	$531	Selenium
Biosynth FS153706	1kg	$1121	Selenium
Chem-Impex 33419	1KG	$607.71	Selenium powder, -325 mesh, >= 99.99% (Metals basis)
Chem-Impex 33417	250G	$130.2	Selenium powder, -100 mesh, >= 99.9% (Metals basis)
Chem-Impex 33418	250G	$130.2	Selenium powder, -200 mesh, >= 99.9% (Metals basis)

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Melting point	217 °C (lit.)
Boiling point	684.9 °C (lit.)
Density	4.81 g/mL at 25 °C (lit.)
bulk density	1270kg/m3
vapor pressure	<1 Pa (20 °C)
storage temp.	no restrictions.
solubility	H₂O: soluble
form	powder
Specific Gravity	4.81
color	White to creamy white
Flame Color	Azure blue
Resistivity	1.2 μΩ-cm, 0°C
Water Solubility	Insoluble
Thermal Conductivity	0.52 W/(m·K)
Specific Heat Capacity	Cp(crystal): 0.32 J/(g·K); Cp(gas): 0.26 J/(g·K), at 25℃
Merck	13,8505
Exposure limits	ACGIH:TLV-TWA 0.2 mg/m3,as Se OSHA:PEL-TWA 0.2 mg/m3 NIOSH:REL-TWA 0.2 mg/m3
Dielectric constant	6.1（Ambient）
Stability	Stable. Incompatible with strong acids, strong oxidizing agents and most common metals. Combustible.
InChI	1S/Se
InChIKey	SPVXKVOXSXTJOY-UHFFFAOYSA-N
SMILES	[Se]
Modulus of Elasticity	57.9 GPa
Shear Modulus	6.46 GPa
Knoop Microhardness	350, N/mm2 Microhardness Gray Selenium
CAS DataBase Reference	7782-49-2(CAS DataBase Reference)
IARC	3 (Vol. 9, Sup 7) 1987
NIST Chemistry Reference	Selenium atom(7782-49-2)
EPA Substance Registry System	Selenium (7782-49-2)