Chemicals as seen in game.
Chemicals are the 6th mineral unlocked in industrial buildings. They are unlocked at level 13 and sell for 60 Simoleons each or 300 Simoleons for 5. This gives it a Simoleon to minute ratio of 0.5.
Production time: 2 hours/120 minutes
Used to make: Cement, Glue, Paint, Refrigerator, Lighting System, and Watches.