PERIODIC TABLE
Arsenic
Atomic No. 33
As
Arsenic
About Arsenic
Arsenic is a metalloid with atomic number 33 that commonly occurs in the −3, +3 and +5 oxidation states. Gallium arsenide is a compound semiconductor used in electronic and optoelectronic devices, and arsenic is also used as a dopant in silicon. These applications require precise control of composition and purity, while the toxicity of arsenic and many of its compounds requires careful handling.
Properties
- Atomic Number
- 33
- Atomic Symbol
- As
- Atomic Mass
- 74.9216
- CAS No.
- 7440-38-2
- Density
- 5.727 g/cm³
- Series
- metalloid
- Melting Point
- 817°C
- Boiling Point
- 614°C
- Thermal Conductivity
- 0.5 W/cm °C
- Heat of Fusion
- 27.7 kJ/mol
- Heat of Vaporization
- 32.4 kJ/mol
- Electronegativity
- 2.18 pauling
- Crystal Structure
- Trigonal
- Electrical Conductivity
- 3.3×106 S/m
Arsenic Products
Browse Lorad materials associated with Arsenic and refine the list by chemistry, application, or availability.
No matching Arsenic products
Try adjusting the available filters, or browse the complete product catalog.
View All Products