ATMP·Na4 Sodium salt of aminotrimethylene phosphonic acid CAS 20592-85-2

ATMP·Na4 is the neutral sodium salt of ATMP, which can prevent scale-forming salts in water from forming scale, especially calcium carbonate scale.

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Model:
20592-85-2
Brand:
futurechemical
Code:
20592-85-2

Product Description

Tetra sodium salt of Amino Trimethylene Phosphonic Acid (ATMP·Na4)

CAS No. 20592-85-2

Alias:Tetrasodium aminotrimethylenephosphonate

Molecular formula:C₃H₈NO₉P₃Na₄

Relative molecular mass:387

Structural formula:

氨基三甲叉膦酸四钠（ATMP·Na4）结构式

1. Performance and use:

ATMP·Na4 is the neutral sodium salt of ATMP, which can prevent scale-forming salts in water from forming scale, especially calcium carbonate scale. ATMP·Na4 is suitable for circulating cooling water in thermal power plants and refineries, oil field reinjection water systems, and scale inhibitors for reverse osmosis membranes. ATMP·Na4 also has good compatibility with some other additives. ATMP·Na4 is particularly suitable for neutral to acidic formulations, and does not produce ammonia odor.

2. Technical indicators

Item	Indicator
Appearance	Colorless or light yellow transparent liquid
Active ingredient(ATMP)/%	≥30.0
Active ingredient(ATMP·Na₄)/%	≥38.8
pH（1%Aqueous solution）	6.0-8.0
Density(20℃)/g·cm^-3	1.35～1.45
Fe(/mg·L^-1	≤10.0
Chloride (Cl^-) /%	≤1.0

3. Usage

ATMP·Na4 is compounded with other organic phosphonic acids, polycarboxylates or polycarboxylates to form organic alkaline water treatment agents, which are used in circulating cooling water systems with various water quality conditions.

4. Packaging and storage

ATMP·Na4 is packed in plastic barrels, 30Kg or 250Kg per barrel, which can also be determined according to user needs. ATMP·Na4 is stored in a cool place indoors, and the storage period is twelve months.

5. Safety protection

ATMP·Na4, pay attention to labor protection when handling, avoid contact with skin, eyes, etc., rinse with plenty of water after contact.

Related keywords：

Water treatment chemicals

Water treatment manufacturer

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Organic phosphorus

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Organic phosphonic acid

Scale inhibitor dispersant

Scale inhibitor

Organic phosphorus scale inhibitor

Sodium salt of aminotrimethylene phosphonic acid CAS 20592-85-2 C3H13NNaO9P3 Water treatment chemicals Water treatment manufacturer Organic phosphonate Corrosion inhibitor Scale inhibitors and dispersant ATMP·Na4

Quality Assurance

Full-Process Quality Control: From incoming raw material inspection to in-process monitoring and final outgoing checks, every batch is inspected at each production stage against strict acceptance standards.
Third-Party Certified & Tested: Our quality management system is certified to ISO 9001, and products are regularly tested by accredited laboratories (e.g. SGS, TÜV). Test reports are available on request.
100% Batch Traceability: Each batch carries a unique lot number that links raw material records, production parameters, and test results, enabling complete traceability from factory to final delivery.
Pre-Shipment Inspection: Every order passes a final pre-shipment inspection, with inspection photos and reports shared before dispatch.

FAQ From Customers

Q1: What is the minimum order quantity?

A: There is no quantity limit for the first sample or trial order. Just tell us the actual quantity you need.
Q2: How can I confirm that the quality meets the requirements?

A: Provide your specifications, and our technical team will check them or customize them for you; we can provide TDS, MSDS, and COA, and accept third-party testing.
Q3: How do you ensure stable quality?

A: We manufacture under an ISO 9001 quality system, test every batch before release, and retain samples for 24 months for traceability.
Q4: Do you provide samples?

A: Yes — Free samples are available; freight is at buyer's expense for express delivery.