PBTC is 2-phosphonobutane-1,2,4-tricarboxylic acid, an organophosphonate scale inhibitor, chelating agent and corrosion inhibitor. It is used in cooling water, boiler water treatment and industrial cleaning and bleaching agents. Applications include the food-processing and textile industries. The catalogue describes stability at high pH and elevated temperatures. The material is a clear, colourless to pale yellow aqueous solution. Recorded packaging includes 250 kg plastic drums, 1250 kg IBCs and bulk tankers.
Full specification
- Molecular formula
- C7H11O9P
- Grades
- technical
- Packaging
- 250 kg plastic drum · 1250 kg IBC · bulk tanker
- Appearance
- Clear colourless to pale yellow aqueous solution
- Synonyms
- PBTC · PBTCA · CAS 37971-36-1 · 37971-36-1 · 2-phosphonobutane-1,2,4-tricarboxylic acid · PBTC acid · phosphonobutanetricarboxylic acid
Compliance & regulatory
Region: EU — Chemotto S.r.l., Milano
- REACH-aligned supply
- CLP-labelled
REACH REACHRegistration, Evaluation, Authorisation and Restriction of Chemicals — the EU chemicals regulation (EC 1907/2006). CLP CLPClassification, Labelling and Packaging — the EU regulation (EC 1272/2008) for hazard communication. SVHC SVHCSubstance of Very High Concern — flagged on the REACH Candidate List for possible authorisation or restriction.
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