Related Clues:
- Gunpowder ingredient
- White, granular powder
- Chemical compound
- K compound
- Chemical salt
- Saltpeter, for one
- Common cleanser
- Common fertilizer
- Glassmaking ingredient
- Suffocating solution
- Fertilizer ingredient
- Ammonia compound
- Compound in fireworks
- Explosive stuff
- Component used in making plastics and fertilizer