PBTC·Na4

For Research Use Only.

Category

Corrosion and Scale Inhibitor

Cat.No.

WTA-045

CAS

40372-66-5

Product Name

PBTC·Na4

Structure

Product Details

Catalog Water Technology

WTA-045

Synonyms

2,4-butanetricarboxylic acid, 2-phosphono- sodiumsalt; 2-Phosphonobutane-1,2,4-tricarboxylic acid sodium salt

IUPAC Name

pentasodium;2-phosphonatobutane-1,2,4-tricarboxylate

Molecular Weight

358

Molecular Formula

C7H7O9P·Na4

Canonical SMILES

C(CC(CC(=O)[O-])(C(=O)[O-])P(=O)([O-])[O-])C(=O)[O-].[Na+].[Na+].[Na+].[Na+].[Na+]

InChI

InChI=1S/C7H11O9P.5Na/c8-4(9)1-2-7(6(12)13,3-5(10)11)17(14,15)16;;;;;/h1-3H2,(H,8,9)(H,10,11)(H,12,13)(H2,14,15,16);;;;;/q;5*+1/p-5

InChIKey

LIQLLUGYBKEWRJ-UHFFFAOYSA-I

Density

1.35 g/mL

EINECS

254-894-4

Properties

PBTC·Na4 has low content of phosphorus, it has good scale and corrosion inhibition, because of its structural properties of phosphonic acid and carboxylic acid. Its scale inhibition under high temperature is superior to common organic phosphonic acid. PBTC·Na4 can improve the solubility of zinc, and has good chlorine oxidation tolerance and good composite synergy. Its solid is easy to absorb moisture. PBTC·Na4 is the most widely used in the combination of high efficiency scale and corrosion inhibitor.

Storage

Storage in shady room and dry place.

pH of 1% solution

9.0-12.0; 4.0-6.0

Application

PBTC·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. PBTC·Na4 can be used in situations of high temperature, high hardness, high alkaline and high concentration index. PBTC·Na4 is used as chelating agent and metal detergent in lavation fields. PBTC·Na4 is usually used together with zinc salt, copolymer, organophosphine, imidazole and other Water Treatment Chemicals. When used alone, 4 to 15 mg/L is preferred.

Appearance

Colorless to yellowish transparent liquid; White crystal powder

Description

2-Phosphonobutane -1, 2, 4-Tricarboxylic Acid, Sodium salt (PBTC·Na4) can improve the solubility of zinc salt, has good chlorine oxidation tolerance and good composite synergy.

20.0 max

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