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 2931.41 — Dimethyl methylphosphonate
HS code
2931.41.00 Dimethyl methylphosphonate
Last Verified Date - 1 October 2026
Common commodities
Pure Dimethyl methylphosphonate (DMMP) for flame retardancyC3H9O3P-based organic flame retardantDimethyl methylphosphonate plasticizer in pellet formHigh purity DMMP for chemical synthesisFlame resistant Dimethyl methylphosphonate solventIndustrial grade Dimethyl methylphosphonate (DMMP)Organic compound: Pure Dimethyl methylphosphonate C3H9O3PPharmaceutical-grade Dimethyl methylphosphonate (DMMP)Pure DMMP for use as a fire retardant additiveLaboratory grade Dimethyl methylphosphonate (C3H9O3P)