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Phosphonates Antiscalants, Corrosion
Inhibitors and Chelating Agents
- 1-Hydroxy Ethylidene-1,1-Diphosphonic Acid (HEDP)
- 2-Phosphonobutane -1,2,4-Tricarboxylic Acid (PBTC)
- Amino Trimethylene Phosphonic Acid (ATMP)
- Diethylene Triamine Penta (Methylene Phosphonic Acid) (DTPMPA)
- 2-Hydroxy Phosphonoacetic Acid (HPAA)
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Salts of Phosphonates
- Tetra Sodium Salt of 1-Hydroxy Ethylidene-1,1-Diphosphonic Acid (HEDP?Na₄)
- Tetra Sodium Salt of 1-Hydroxy Ethylidene-1,1-Diphosphonic Acid (HEDP?Na₄)
- 2-Phosphonobutane -1,2,4-Tricarboxylic Acid, Sodium salt (PBTC?Na₄)
- Penta sodium salt of Amino Trimethylene Phosphonic Acid (ATMP?Na₅)
- Hepta sodium salt of Diethylene Triamine Penta (Methylene Phosphonic Acid) (DTPMP?Na₇)
- Potassium Salt of HexaMethylene-DiamineTetra (MethylenePhosphonic Acid) HMDTMPA?K₆
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Polycarboxylic antiscalant and dispersant
- Polyacrylic Acid (PAA) 50%
- Polyacrylic Acid Sodium Salt (PAAS) 45%
- Hydrolyzed Polymaleic Anhydride (HPMA)
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- Copolymer of Maleic and Acrylic Acid (MA/AA)
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Biodegradable antiscalant and dispersant
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- Sodium Salt of Polyaspartic Acid (PASP)
Biocide and Algicide
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- Isothiazolinones (CMIT/MIT)
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Built Scale & Corrosion Inhibitors and Pretreatment Filming Agents
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- TH-604 Scale and Corrosion Inhibitor for Power Plant
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Corrosion Inhibitor
- Sodium salt of Tolyltriazole (TTA?Na)
- Tolyltriazole (TTA)
- Sodium salt of 1,2,3-Benzotriazole (BTA?Na)
- 1,2,3-Benzotriazole (BTA)
- Corrosion Inhibitor for Hydrochloric Acid Cleaning
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Oxygen Scavenger
- Cyclohexylamine
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Reverse Osmosis Chemicals
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- TH-150 Antiscalant and Dispersant for RO Membrane
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Other
- Sodium Diethylhexyl Sulfosuccinate
- Acetyl chloride
- TH-GC Green Chelating Agent (Glutamic Acid,N,N-diacetic Acid, Tetra Sodium Salt)

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HOME >> Water Treatment Chemicals >> Salts of Phosphonates

2-Phosphonobutane -1,2,4-Tricarboxylic Acid, Sodium salt
(PBTCA?Na4)

CAS No. 40372-66-5

Molecular Formula: C₇H₇O₉P?Na4 Molecular weight: 358

Structural Formula:

2-Phosphonobutane -1,2,4-Tricarboxylic Acid, Sodium salt (PBTC?Na4)

Properties:

2-Phosphonobutane -1,2,4-Tricarboxylic Acid, Sodium salt has low content of phosphoric, its structure contains both phosphonic acid and carboxylic acid group, which enable its good scale and corrosion inhibition properties. Its scale inhibition property under high temperature is far better than that of organophosph-ines. 2-Phosphonobutane -1,2,4-Tricarboxylic Acid, Sodium salt can improve the solubility of zinc salt, has good chlorine oxidation tolerance and good composite synergy. The solid state is easy deliquescence.

Specification:

Items	Index
Appearance	Colorless to yellowish transparent liquid	White crystal powder
Active content (as PBTCA, % )	30.0 min	64.0 min
Active content (as PBTC?Na4, %)	40.0 min	85.0 min
Total phosphoric acid(PO₄^3-%, )	10.5 min	22.5 min
Fe, mg/L	-	20.0 max
Density (20℃) g/cm³	1.35 min	-
PH (1% water solution)	9.0-12.0	4.0-6.0

Usage:

2-Phosphonobutane -1,2,4-Tricarboxylic Acid, Sodium salt is the widely used and high effective agent as composite scale and corrosion inhibitor, it is also the excellent stabilizer for zinc salt. 2-Phospho