Metals Documentation
Sb51
Antimony
Metalloid
Last updated: January 2026Overview
A metalloid primarily used in flame retardants, lead-acid batteries, and specialty alloys. China and Russia dominate global production, creating extreme supply concentration risk.
Strategic Relevance
Subject to Chinese export ban since December 2024. Critical for fire safety regulations and military applications. Combined China-Russia-Tajikistan control exceeds 91%.
Applications
01Flame retardants
02Lead-acid batteries
03Alloys
04Semiconductors
05Ammunition
Price History
Historical price trend (USD/kg or USD/tonne)
Physical Properties
- Density
- 6.68 g/cm³
- Melting Point
- 630.6°C
- Atomic Number
- 51
- Category
- Metalloid
Supply Concentration
- China48%
- Russia25%
- Tajikistan18%
- Turkey5%
- Other4%