chem-data European chemical and regulatory registry

Compound record

Tributyl phosphate

Also known as TNBP

126-73-8 · organophosphate flame retardant · flame retardant

flame retardantplasticizerextraction
Dossier

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

Lookup labels

TNBP TRIBUTYL PHOSPHATETri-n-butyl phosphateTributylphosphate
CAS 126-73-8
Formula C12H27O4P
Molecular weight 266.31 g/mol
InChIKey STCOOQWBFONSKY-UHFFFAOYSA-N

Current EU status

Regulatory snapshot for Tributyl phosphate

Tributyl 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 TNBP, 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 126-73-8 · Formula C12H27O4P · Molecular weight 266.31 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
126-73-8
EC
204-800-2
Formula
C12H27O4P
Molecular weight
266.31 g/mol
Primary class
organophosphate flame retardant
Synonym count
101

Search-friendly summary

Tributyl phosphate (TNBP) , CAS 126-73-8, is tracked here as a flame retardant substance in the organophosphate flame retardant class.

Common names and aliases

TRIBUTYL PHOSPHATETri-n-butyl phosphateTributylphosphatePhosphoric acid tributyl esterTributylphosphatCelluphos 4

What to do next

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