Product Name

  • Name

    2-hydroxy-1,3-propylenediamine-N,N,N',N'-tetra(methylenephosphonic acid)

  • EINECS
  • CAS No. 54622-43-4
  • Article Data2
  • CAS DataBase
  • Density 1.999g/cm3
  • Solubility
  • Melting Point
  • Formula C7H22 N2 O13 P4
  • Boiling Point 917.9°C at 760 mmHg
  • Molecular Weight 466.152
  • Flash Point 508.9°C
  • Transport Information
  • Appearance
  • Safety Moderately toxic by ingestion. Experimental reproductive effects. When heated to decomposition it emits toxic fumes of POx and NOx. See also NITRILES.
  • Risk Codes
  • Molecular Structure Molecular Structure of 54622-43-4 (2-hydroxy-1,3-propylenediamine-N,N,N',N'-tetra(methylenephosphonic acid))
  • Hazard Symbols
  • Synonyms Phosphonicacid, [(2-hydroxy-1,3-propanediyl)bis[nitrilobis(methylene)]]tetrakis- (9CI);Phosphonic acid, [(2-hydroxytrimethylene)bis(nitrilodimethylene)]tetra- (7CI);2-Hydroxy-1,3-propylenediamine-N,N,N',N'-tetramethylenephosphonic acid;2-Hydroxypropylene-1,3-diamino-N,N,N',N'-tetrakis(methylenephosphonic acid);2-Hydroxypropylenediamine-N,N',N,N'-tetra(methylenephosphonic acid);2-Hydroxytrimethylenedinitrilotetrakisphosphonic acid; DPF 1
  • PSA 296.07000
  • LogP -2.50790

DPF Chemical Properties


IUPAC Name:  [[3-[bis(Phosphonomethyl)amino]-2-hydroxypropyl]-(phosphonomethyl)amino]methylphosphonic acid
InChI:  InChI=1/C7H22N2O13P4/c10-7(1-8(3-23(11,12)13)4-24(14,15)16)2-9(5-25(17,18)19)6-26(20,21)22/h7,10H,1-6H2,(H2,11,12,13)(H2,14,15,16)(H2,17,18,19)(H2,20,21,22)
CAS NO:54622-43-4
Molecular Formula:C7H22N2O13P4                                                      
Molecular Weight :466.1502                                                            
Classification Code: Reproductive Effect
Index of Refraction: 1.632    
Surface Tension: 137.6 dyne/cm 
Density: 1.999 g/cm3 
Flash Point: 508.9 °C 
Enthalpy of Vaporization: 144.77 kJ/mol 
Boiling Point: 917.9 °C at 760 mmHg 
Vapour Pressure of DPF (CAS NO.54622-43-4) : 0 mmHg at 25 °C

DPF Toxicity Data With Reference

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
guinea pig LD50 oral 3800mg/kg (3800mg/kg)   Gigiena Truda i Professional'nye Zabolevaniya. Labor Hygiene and Occupational Diseases. Vol. 29(4), Pg. 45, 1985.
mammal (species unspecified) LC inhalation > 500mg/m3 (500mg/m3)   Gigiena Truda i Professional'nye Zabolevaniya. Labor Hygiene and Occupational Diseases. Vol. 29(4), Pg. 45, 1985.
mouse LD50 oral 2800mg/kg (2800mg/kg)   Gigiena i Sanitariya. For English translation, see HYSAAV. Vol. 49(5), Pg. 81, 1984.
rat LD50 oral 4300mg/kg (4300mg/kg)   Gigiena Truda i Professional'nye Zabolevaniya. Labor Hygiene and Occupational Diseases. Vol. 29(4), Pg. 45, 1985.

DPF Consensus Reports

Cyanide and its compounds are on the Community Right-To-Know List.

DPF Safety Profile

Moderately toxic by ingestion. Experimental reproductive effects. When DPF (CAS NO.54622-43-4) is heated to decomposition, it emits toxic fumes of POx and NOx. See also NITRILES.

DPF Specification

  DPF (CAS NO.54622-43-4), its Synonyms are ((2-Hydroxy-1,3-propanediyl)bis(nitrilobis(methylene)))tetrakisphosphonic acid ; 2-Hydroxy-1,3-propylenediamine-N,N,N'(sup 1),N'(sup 1)-tetramethylenephosphoric acid ; 2-Oxy-1,3-propylenediamine-N,N,N',N'-tetramethylenephosphonic acid ; Phosphonic acid, ((2-hydroxy-1,3-propanediyl)bis(nitrilobis(methylene)))tetrakis- .

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