| CAS No. | 40372-66-5 | EINECE NO. | 254-894-4 |
| Molecular Formula | C7H7O9P.Na4 | Molecular Weight | 358 |
PBTC.Na4 is tetrasodium salt of 2-phosphonobutane-1, 2, 4-tricarboxylic acid (PBTC). PBTC.Na4 is a highly effective scale inhibitor for calcium carbonate and calciumphosphate. PBTC.Na4 scale inhibition property under high temperature is far better than that of organophosph-ines.
| Parameter | Standard | |
|---|---|---|
| Liquid | Solid | |
| Appearance | Colorless to yellowish transparent liquid | White crystal powder |
| Active content (PBTC), % | 30.0min | 64.0min |
| Active content (PBTC•Na4), % | 40.0min | 85.0min |
| Fe, mg/L | - | 20 max |
| Density (20℃),g/cm3 | 1.35min | - |
| pH (1% water solution) | 9.0-12.0 | 4.0-6.0 |
PBTC.Na4 is mainly used in the field of cooling & process water treatment and cleaning formulations. PBTC.Na4 can be used without adding acid, such as at any pH.
PBTC.Na4 is usually used together with zinc salt, copolymer, organophosphine, imidazole and other Water Treatment Chemicals.
PBTC.Na4 powder is recommended as dry mix ingredient in chlorine bleach cleaning formulations and in dish wash formulations. PBTC.Na4 powder also functions as a retardant in cement.
| CaCO3 inhibition | CaSO4 inhibition | CaF2 inhibition | Iron control | Sequestration |
|---|---|---|---|---|
| Very Good | Excellent | Very Good | Very Good | Very Good |
| Calcium tolerance | Iron Control | Sequestration | Steel corrosion inhibition | |
| Good | Yes | Excellent | Very Good | |
| PBTC.Na4 Solid | PBTC.Na4 Liquid | ||||
|---|---|---|---|---|---|
| 25L Drum | Bulk Bag | 25L Drum | 200L Drum | 1000L IBC | ISO Tank |
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| Storage for ten months in shady room and dry place. | |||||
| Hazard Information | Safety Precaution |
|---|---|
|
Not regulated |
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| Once contacted with eye and skin, flush with plenty of clean water | |
