Heading 2835: Phosphinates (hypophosphites), phosphonates (phosphites) and phosphates; polyphosphates, whether or not chemically defined:

From Chapter 28: Chapter 28

HTS Codes (10-Digit)

HTS Code Description General Duty
2835100000
Phosphinates (hypophosphites), phosphonates (phosphites) and phosphates; polyphosphates, whether or not chemically defined Phosphinates (hypophosphites) and phosphonates (phosphites)
3.1%
2835220000
Phosphates Of mono- or disodium
1.4%
2835240000
Phosphates Of potassium
3.1%
2835250000
Phosphates Calcium hydrogenorthophosphate ("Dicalcium phosphate")
Free
2835260000
Phosphates Other phosphates of calcium
Free
2835291000
Other Of aluminum
Free
2835292000
Other Of triammonium
1.5%
2835293000
Other Of trisodium
2.2%
2835295100
Other Other
4.1%
2835310000
Polyphosphates Sodium triphosphate (Sodium tripolyphosphate)
1.4%
2835391000
Other Of potassium
3.1%
2835395000
Other Other
3.7%