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ATMP 50% liquid CAS 6419-19-8 Amino Trimethylene Phosphonic Acid ATMPA

Categories Phosphorus And Phosphate
Brand Name: Zhanjiu
Model Number: 50% ATMPA liquid
Place of Origin: China
MOQ: One full 20' container
Price: Please contact us
Payment Terms: T/T, D/P, D/A
Supply Ability: Please contact us
Delivery Time: Please contact us
Packaging Details: 30kg or 250KG or 270kg plastic drum, load 20~21.6mt per 20' container.
Appearance: Colorless or light yellow transparent liquid
Active content (HEDP): min 50%
Phosphorous acid (as PO33-): Max 3.5%
Phosphorous acid (as PO43-): Max 0.8%
PH (1%water solution): Max 2.0
Density (20ºC) g/cm3: min 1.3
Fe: Max 20ppm
Chlorides (as CI-): Max 2%
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ATMP 50% liquid CAS 6419-19-8 Amino Trimethylene Phosphonic Acid ATMPA

ATMP 50% liquid CAS 6419-19-8 Amino Trimethylene Phosphonic Acid ATMPA

Product Name:Amino tris(methylene phosphonic acid); Amino Trimethylene Phosphonic acid ( ATMPA); ATMP

Molecular formula: C3H12NO9P3

Molecular structure:

CAS No.: 6419-19-8

Quality standard: HG/T 2841-2005

IMO Class: 8

UN NO.: 3265


ATMP has good chelation, low limit inhibition and lattice distortion. It can prevent the formation of scaling salts in water, especially the formation of calcium carbonate scale. ATMP has stable chemical properties in water and is not easy to hydrolyze. When the concentration in water is high, it has good corrosion inhibition effect. ATMP is used for circulating cooling water and oilfield reinjection system in thermal power plants and refineries. It can reduce the corrosion and scaling of metal equipment or pipeline. ATMP is used as metal ion chelating agent in textile printing and dyeing industries, as well as metal surface treatment agent.

ATMP is often compounded with other organic phosphonic acids, polycarboxylic acids or salts to form organic water treatment agents, which are used in circulating cooling water systems under various water quality conditions. The best dosage is 1 ~ 20mg/L; When used as corrosion inhibitor, the dosage is 20 ~ 60mg/L.


AppearanceColorless or light yellow transparent liquid
Active content (ATMP)min 50%
Phosphorous acid (as PO33-)Max 3.5%
Phosphoric acid (as PO43- )Max 0.8%
Chloride (as Cl-)%Max 2%
pH (1% water solution)Max 2.0
Density (20℃)min 1.3 g/cm3
Fe, mg/LMax 20.0ppm


ATMP liquid is packed in plastic drums, 30kg or 250kg or 270kg per barrel; Store in a cool and ventilated place indoors, moisture-proof and sun proof, with a storage period of 12 months.

Safety protection:

ATMP is acidic. Pay attention to labor protection during operation. Avoid contact with skin and eyes. Wash with plenty of water immediately after contact.

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