CAS 40372-66-5 2-Phosphonobutane-1,2,4-Tricarboxylic Acid PBTC Na4 for Water Treatment

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Molecular Formula: C7H7O9P•Na4

CAS No.  40372-66-5

Alias: PBTC•Na4

Molecular weight: 358

Structural Formula:

CAS 40372-66-5 2-Phosphonobutane-1,2,4-Tricarboxylic Acid PBTC Na4 for Water Treatment

Properties & Use

PBTCA•Na4 is the widely used and high effective agent as composite scale and corrosion inhibitor, it is also the excellent stabilizer for zinc salt. PBTCA•Na4 is used as scale and corrosion inhibitor in circulating cool water system and oilfield refill water system, especially used together with zinc salt and copolymer. PBTCA•Na4 can be used in situations of high temperature, high hardness, high alkaline and high concentration index, PBTCA•Na4 is used as chelating agent and metal detergent in lavation fields.


PBTCA•Na4 is usually used together with zinc salt, copolymer, organophosphine, imidazole and other Water Treatment Chemicals.

Specification:

Items	Index
Appearance	White crystal powder	White powder
Active component (PBTC, % )	64.0 min	67.0 min
Active component (PBTC•Na4, %)	84.8 min	88.8 min
Total phosphoric acid(PO43-%, )	22.5 min	23.5 min
Fe, mg/L	35 max	35 max
PH (1% water solution)	4.0-6.0	6.5-8.0

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2-Phosphonobutane -1,2,4-Tricarboxylic Acid ,PBTC·Na4