Selenium

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Selenium
Chemical formula Se
Atomic Number 24 
OTP appearance red, gray, or black crystal 
Molar Mass(g/mol) 74 
Melting Point(°C) 221 
Boiling Point(°C) 685 
Density(g/cc) 4.81
NFPA 704
NFPA704.png
0
2
0
 

Uses

Primary

Natural occurrence

Hazards

Production

Extraction

Synthesis

Testing

Purification

Storage

Disposal

See Also

  • Astragalus bisulcatus, commonly called two-grooved milkvetch or silver-leafed milkvetch, a hyperaccumulator of selenium.[1]

References

  1. Pickering, Ingrid J.; Wright, Carrie; Bubner, Ben (2003) "Chemical Form and Distribution of Selenium and Sulfur in the Selenium Hyperaccumulator Astragalus bisulcatus"
    Plant Physiol. 131(3); pp1460–1467.. 
    DOI:10.1104/pp.014787
    link courtesy United States National Institutes of Health.