Nitrilotrimethylphosphonic Acid

Chemical Name: Nitrilotris[methylene]triphosphonic acid

Synonyms: Amino thrimethylenephosphonic (ATMP) acid; Aminotri(methylphosphonice acid); Nitrilotrimethylphosphonic (NTP) acid; Nitrilotris(methylphosphonic acid); Aminotris(methanephosphonic acid); Phosphonic acid, (nitrilotris(methylene))tris-

Trade Names:

• Briquest 301-500
• Briquest 301-50A (Rhodia)
• Ferrofos 509
• Sequion 20H45 (Bozetto)
  
• Budex 5130
• Masquol P 200
• Sequion OA
• Dowell L 37 NTPA
  
• Dequest 2000 (Solutia)
• Mayoquest 1320
• Tris(phosphonomethyl)amine
  
• Dequest 2000 LC(Solutia)
• NTF
• Turpinal MD2
  
• Dequest 2001
• NTMP
  

Empirical Formula: C₃H₁₂NO₉P₃

CAS Number: 6419-19-8
H.S. Code: 2931 00 950 0
№ UN: 3261
№ EC: 2291465

Main applications:

• in oil production as a regulator of physico-chemical properties of drilling and plugging solutions;
  
• in construction to reduce time of concrete mixture setting in monolithic and precast ferroconcrete production;
  
• in heat and power engineering as salts inhibitor in different heat exchangers;
  
• in pulp and paper industry in the process of cellulose bleaching at chelation stage.

Quality Data:

Storage Conditions: Store packed in dry storage rooms.

Storage Warranty: 36 months.

Packing: 30kg cardboard wound drums with PE liner, paper bags with PE liner.

Transport Type: Railway, road.

Labelling:

• С Symbol
• R: 34
  
• S: 26-36/37/39-45
• UN Hazard Class: 8
• UN Pack Group: II
• RID/ADR UN 3261 8/39b