Functional Roles
Industries Served
GHS / SDS Safety
Danger
Irritant
Corrosive
- H290 (46.4%): May be corrosive to metals [Warning Corrosive to Metals]
- H319 (59%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]
- H314 (10.3%): Causes severe skin burns and eye damage [Danger Skin corrosion/irritation]
Chemical Identity
| CAS Number | 37971-36-1 |
| IUPAC Name | 2-phosphonobutane-1,2,4-tricarboxylic acid |
| InChI Key | SZHQPBJEOCHCKM-UHFFFAOYSA-N |
| PubChem CID | 61973 |
| INCI Name | PHOSPHONOBUTANETRICARBOXYLIC ACID |
Synonyms & Trade Names
Full Description
Phosphonobutane Tricarboxylic Acid (PBTC) is an organophosphonate compound that functions as a chelating agent, scale inhibitor, and corrosion inhibitor in industrial applications. This phosphonate-based chemical effectively sequesters metal ions and prevents scale formation and corrosion in water treatment systems, oil and gas operations, mining processes, and industrial manufacturing facilities. PBTC provides reliable performance in controlling calcium, magnesium, and other metal ions that contribute to scaling and corrosion issues in industrial water systems.