chem-data European chemical and regulatory registry

Compound record

Trimethyl phosphate

Also known as TZZ

512-56-1 · organophosphate flame retardant · flame retardant

flame retardantintermediatesolvent
Dossier

Identity-first dossier for exact-name, CAS, and use-context lookups.

Lookup labels

TZZ TRIMETHYL PHOSPHATETrimethylphosphateTrimethyl orthophosphate
CAS 512-56-1
Formula C3H9O4P
Molecular weight 140.07 g/mol
InChIKey WVLBCYQITXONBZ-UHFFFAOYSA-N

Current EU status

Regulatory snapshot for Trimethyl phosphate

Trimethyl phosphate is currently surfaced as no current candidate list row imported in the EU.

The current imported view anchors this substance in CandidateList. The live rationale focuses on No positive Candidate List entry captured in the current imported source set, and this page is designed for fast status checks before deeper source review.

Searchers usually land here for the chemical name, CAS number, abbreviation TZZ, and the question of whether the substance is tied to SVHC, REACH, POPs, or SCIP-style compliance work.

No current Candidate List row importedcurrent statuslatest imported framework state
8 Mar 2026latest anchor datelisted, effective, or checked date

Identity

CAS, formula, aliases, and use context

Fast lookup

CAS 512-56-1 · Formula C3H9O4P · Molecular weight 140.07 g/mol · Current status No current Candidate List row imported

If you landed here for formula, molecular weight, or exact substance identity, this block gives the shortest route before you branch into status, obligations, or sources.

CAS
512-56-1
EC
208-144-8
Formula
C3H9O4P
Molecular weight
140.07 g/mol
Primary class
organophosphate flame retardant
Synonym count
75

Search-friendly summary

Trimethyl phosphate (TZZ) , CAS 512-56-1, is tracked here as a flame retardant substance in the organophosphate flame retardant class.

Common names and aliases

TRIMETHYL PHOSPHATETrimethylphosphateTrimethyl orthophosphatePhosphoric acid, trimethyl esterTMPOTrimethoxyphosphine oxide

What to do next

Use the right route for status, SCIP, and source questions