Section VI — Products of the chemical or allied industries
Chapter 29 — Organic chemicals
Heading 2931 — Other organoinorganic compounds.
National subdivision 2931.4 — Nonhalogenated organophosphorous derivatives:
Subheading 2931.44 — Methylphosphonic acid
HS code
2931.44.00 Methylphosphonic acid
Last Verified Date - 1 October 2026
Common commodities
Pure Methylphosphonic acidMethylphosphonic acid crystalsLiquid Methylphosphonic acidAnhydrous Methylphosphonic acidHigh purity Methylphosphonic acidOrganic Phosphonic acid - MethylphosphonicAcid H3CPO(OH)2Unreacted Methylphosphonic acidMethylphosphonous acid crystalsPharmaceutical grade Methylphosphonic acid