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CAS 37971-36-1, PBTCA 50% 2-Phosphonobutane-1,2,4-tricarboxylic acid, C7H11O9P
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CAS No.:
37971-36-1 -
Molecular Formula:
C7H11O9P -
Quality Standard:
50% -
Packing:
250kg/plastic drum -
Mininmum Order:
250kg -
Price Update:
-
Market:
*If you want to download the TDS and MSDS(SDS) , please click here to view or download online.
Product Name 2-Phosphonobutane-1,2,4-tricarboxylic acid
Synonyms Phosphino butane tricarboxylic acid; PBTCA 50%
CAS Number 37971-36-1
EINECS/ELINCS 253-733-5
Molecular Formula C7H11O9P
Molecular Weight 270.13
Properties
Appearance Clear to pale yellow liquid
Solubility Miscible in water
Stability Stable under ordinary conditions
Specification
| Item | Specification |
| Appearance | Clear to pale yellow liquid |
| Active Acid | 49.0-51.0% |
| pH at 25ºC (1% solution) | 2.0 max |
| Phosphorous acid as PO33- | 0.8% max |
| Phosphoric acid as PO43- | 0.5% max |
| Iron content (Fe) | 35ppm max |
| Density at 20ºC | 1.270g/cm3 min |
| Color (APHA) | 125 max |
Application
PBTCA is designed as a 50% aqueous solution to control calcium scale formation and precipitation in highly stressed alkaline Industrial water treatment and boiler systems. PBTCA has been widely used in industry as a sequestering agent and calcium carbonate scale inhibitor for applications in industrial water treatment and industrial cleaning.
Recommended Uses: Industrial water treatment and boiler systems. Controls scale where halogen-based biocides or hypochlorite bleach are employed.
Packing and Storage
Packing: In 250kgs net plastic drum.
Storage: Keep tightly closed.
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