A crystalline inorganic acid acting as a strong reducing agent and a crucial intermediate in the synthesis of phosphonates. It is heavily used in the production of water treatment chemicals, agricultural formulations, and specialized PVC stabilizers.
Full specification
- Molecular formula
- H3PO3
- Grades
- technical
- Packaging
- 25 kg bag · 1000 kg big bag
- Appearance
- White crystalline deliquescent solid or colourless solution
- Synonyms
- 13598-36-2 · H3PO3 · phosphonic acid · orthophosphorous 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.
A quote in hours, not days.
Tell us what you need, and we'll work out the right option for you, then follow up with the details.
A quick response, with quotes and documentation when you need them.