Pure Chromium, Pure Chrome, 7440-47-3

Pure Chromium, Pure Chrome, 7440-47-3

Technical Information

• Symbol: Cr

• Atomic Number: 24

• Atomic Weight: 51.996

• Element Series: Transition Metal

• State: Solid

• Appearance: Silver metallic

Physical and Chemical Properties

• Density: 7.19 g/cm³

• Melting Point: 1907°C

• Boiling Point: 2671°C

• CAS Number: 7440-47-3

• Oxidation States: +2, +3, +6

• Crystal Structure: Body-centered cubic (BCC)

• Magnetic Ordering: Antiferromagnetic at 38°C

Uses

• Metallurgy: Used to harden steel and produce stainless steel.

• Electroplating: Provides a shiny, corrosion-resistant coating.

• Pigments: Chromium compounds are used in dyes and pigments.

• Refractories: Used in high-temperature applications due to its high melting point.

• Catalysts: Chromium compounds are used in various chemical reactions.

Other Names

• Chromium

• Cr

Common Names

• Chrome

Chromium is a versatile element with a wide range of applications in various industries.