Product Name

  • Name

    Diethylenetriaminepenta(methylene-phosphonic acid)

  • EINECS 239-931-4
  • CAS No. 15827-60-8
  • Article Data9
  • CAS DataBase
  • Density 1.945 g/cm3
  • Solubility miscible with water
  • Melting Point
  • Formula C9H28N3O15P5
  • Boiling Point 1003.3 °C at 760 mmHg
  • Molecular Weight 573.201
  • Flash Point 560.6 °C
  • Transport Information UN 1789 8/PG 2
  • Appearance amber viscous liquid
  • Safety 26-36-33-28-23-16-9
  • Risk Codes 36/37/38-51/53-41
  • Molecular Structure Molecular Structure of 15827-60-8 (Diethylenetriaminepenta(methylene-phosphonic acid))
  • Hazard Symbols IrritantXi,CorrosiveC
  • Synonyms Phosphonicacid, [[(phosphonomethyl)imino]bis[2,1-ethanediylnitrilobis(methylene)]]tetrakis-(9CI);Briquest 543-45AS;DETPMP;DTPF;DTPMP;DTPPA;Dequest 2060A;Diethylenetriaminepentakis(methylphosphonic acid);
  • PSA 346.42000
  • LogP -2.43160

Synthetic route

formaldehyd
50-00-0

formaldehyd

1,5-diamino-3-azapentane
111-40-0

1,5-diamino-3-azapentane

diethylenetriamine penta(methylenephosphonic acid)
15827-60-8

diethylenetriamine penta(methylenephosphonic acid)

Conditions
ConditionsYield
With hydrogenchloride; phosphonic Acid In water at 115℃; for 2h; Large scale;98.3%
With phosphorous acid; methanesulfonic acid In water at 105 - 130℃; for 2.05 - 6.33333h; Product distribution / selectivity; Heating / reflux;0 - 60.0 %Spectr.
Stage #1: 3-azapentane-1,5-diamine With hydrogenchloride; phosphorus(III) oxide; water at 93℃; Inert atmosphere;
Stage #2: formaldehyd; hydrogenchloride In water at 105 - 110℃; for 2.25h;
Stage #1: formaldehyd; 3-azapentane-1,5-diamine With hydrogenchloride; phosphorous acid In water at 93 - 97℃; for 0.666667h; Flow reactor;
Stage #2: at 80 - 100℃; for 2h; Time; Autoclave;
Stage #1: 3-azapentane-1,5-diamine With hydrogenchloride; phosphonic Acid In water at 5 - 20℃; for 2h; Large scale;
Stage #2: formaldehyd In water at 90 - 95℃; for 3h; Large scale;
diethylenetriaminopentaacetic acid
67-43-6

diethylenetriaminopentaacetic acid

diethylenetriamine penta(methylenephosphonic acid)
15827-60-8

diethylenetriamine penta(methylenephosphonic acid)

Conditions
ConditionsYield
With phosphorus(III) oxide; methanesulfonic acid at 55 - 90℃; for 2h;89.6 %Spectr.
N,N',N',N'',N''-hydroxymethyl-(2-aminoethyl)ethane-1,2-diamine
1542224-36-1

N,N',N',N'',N''-hydroxymethyl-(2-aminoethyl)ethane-1,2-diamine

diethylenetriamine penta(methylenephosphonic acid)
15827-60-8

diethylenetriamine penta(methylenephosphonic acid)

Conditions
ConditionsYield
Stage #1: N,N',N',N'',N''-hydroxymethyl-(2-aminoethyl)ethane-1,2-diamine With phosphorus(III) oxide; trifluoroacetic acid In acetonitrile at 35 - 60℃; for 0.333333h; Inert atmosphere;
Stage #2: With water In acetonitrile at 85℃; for 0.25h; pH=5.4; Inert atmosphere;
gadolinium(III) oxide

gadolinium(III) oxide

diethylenetriamine penta(methylenephosphonic acid)
15827-60-8

diethylenetriamine penta(methylenephosphonic acid)

3Na(1+)*Gd(3+)*(PO3CH2)2NC2H4N(CH2PO3)C2H4N(CH2PO3)2(10-)*4H(1+)=Na3[Gd((HPO3CH2)2NC2H4N(CH2PO3)C2H4N(CH2PO3H)2)]

3Na(1+)*Gd(3+)*(PO3CH2)2NC2H4N(CH2PO3)C2H4N(CH2PO3)2(10-)*4H(1+)=Na3[Gd((HPO3CH2)2NC2H4N(CH2PO3)C2H4N(CH2PO3H)2)]

Conditions
ConditionsYield
With sodium hydroxide In water the phosphonic acid was suspd. in water, pH was adjusted to 5.0 by addn. of NaOH, addn. of Gd2O3, heated at 90°C for 2 h, pH was adjusted with NaOH to 7.5; filtered, evapd. under reduced pressure; elem. anal.;96%
diethylenetriamine penta(methylenephosphonic acid)
15827-60-8

diethylenetriamine penta(methylenephosphonic acid)

nickel diacetate
373-02-4, 14998-37-9, 33025-09-1, 94044-50-5, 98268-31-6

nickel diacetate

Ni5(diethylene triamine-N,N,N',N',N'',N''-penta(methylenephosphonic acid)(-10H))2*20H2O

Ni5(diethylene triamine-N,N,N',N',N'',N''-penta(methylenephosphonic acid)(-10H))2*20H2O

Conditions
ConditionsYield
With Na2CO3 In water to soln. of ligand and metal salt in H2O added aq. soln. of Na2CO3 dropwise with stirring; ppt. filtered; washed (hot H2O, aq. acetone, acetone); dried on water bath; elem. anal.;81%
With aq. Na2CO3 In water slow addn. of aq. soln. of ligand to soln. of metal salt with constant stirring, pptn. on addn. of aq. Na2CO3; addn. of acetone, filtration, washing (hot water, aq. acetone, acetone), drying (60-70°C); elem. anal.;
tetrakis(tetrabutylammonium) octamolybdate

tetrakis(tetrabutylammonium) octamolybdate

diethylenetriamine penta(methylenephosphonic acid)
15827-60-8

diethylenetriamine penta(methylenephosphonic acid)

water
7732-18-5

water

N,N-dimethyl-formamide
68-12-2, 33513-42-7

N,N-dimethyl-formamide

2(C4H9)4N(1+)*(NH2CH2PO3)2Mo5O15(2-)*2CH3NHCH3*H2O=((C4H9)4N)2(NH2CH2PO3)2Mo5O15*2CH3NHCH3*H2O

2(C4H9)4N(1+)*(NH2CH2PO3)2Mo5O15(2-)*2CH3NHCH3*H2O=((C4H9)4N)2(NH2CH2PO3)2Mo5O15*2CH3NHCH3*H2O

Conditions
ConditionsYield
In water; acetonitrile Mo complex dissolved in CH3CN under stirring, treated with H2O, treated dropwise under vigorous stirring with ligand and DMF, stirred at 65°C for 5 h; cooled to room temp., crystd. for 4 weeks, elem. anal.;25%
...Expand
diethylenetriamine penta(methylenephosphonic acid)
15827-60-8

diethylenetriamine penta(methylenephosphonic acid)

C9H28N3O18P5

C9H28N3O18P5

Conditions
ConditionsYield
With sodium hydroxide; dihydrogen peroxide In water at 60℃; pH 9;
diethylenetriamine penta(methylenephosphonic acid)
15827-60-8

diethylenetriamine penta(methylenephosphonic acid)

BDH

BDH

diethylenetriamine-N,N,N',N",N"-pentaacetic acid pentasodium salt
140-01-2

diethylenetriamine-N,N,N',N",N"-pentaacetic acid pentasodium salt

chromium(III) nitrate

chromium(III) nitrate

diethylenetriamine penta(methylenephosphonic acid)
15827-60-8

diethylenetriamine penta(methylenephosphonic acid)

4Cr(3+)*(C9H18N3O15P5)(10-)*2OH(1-)*H2O = Cr4(C9H18N3O15P5)(OH)2*H2O

4Cr(3+)*(C9H18N3O15P5)(10-)*2OH(1-)*H2O = Cr4(C9H18N3O15P5)(OH)2*H2O

Conditions
ConditionsYield
With aq. Na2CO3 In water slow addn. of aq. soln. of ligand to soln. of metal salt with constant stirring, pptn. on addn. of aq. Na2CO3; addn. of acetone, filtration, washing (hot water, aq. acetone, acetone), drying (60-70°C); elem. anal.;
diethylenetriamine penta(methylenephosphonic acid)
15827-60-8

diethylenetriamine penta(methylenephosphonic acid)

iron(II) acetate
1834-30-6, 2140-52-5, 3094-87-9

iron(II) acetate

5Fe(2+)*C9H18N3O15P5(10-)*12H2O = Fe5(C9H18N3O15P5)*12H2O

5Fe(2+)*C9H18N3O15P5(10-)*12H2O = Fe5(C9H18N3O15P5)*12H2O

Conditions
ConditionsYield
With aq. Na2CO3 In water slow addn. of aq. soln. of ligand to soln. of metal salt with constant stirring, pptn. on addn. of aq. Na2CO3; addn. of acetone, filtration, washing (hot water, aq. acetone, acetone), drying (60-70°C); elem. anal.;
diethylenetriamine penta(methylenephosphonic acid)
15827-60-8

diethylenetriamine penta(methylenephosphonic acid)

cadmium(II) acetate
543-90-8

cadmium(II) acetate

Cd5(diethylene triamine-N,N,N',N',N'',N''-penta(methylenephosphonic acid)(-10H))2*16H2O

Cd5(diethylene triamine-N,N,N',N',N'',N''-penta(methylenephosphonic acid)(-10H))2*16H2O

Conditions
ConditionsYield
With aq. Na2CO3 In water slow addn. of aq. soln. of ligand to soln. of metal salt with constant stirring, pptn. on addn. of aq. Na2CO3; addn. of acetone, filtration, washing (hot water, aq. acetone, acetone), drying (60-70°C); elem. anal.;
diethylenetriamine penta(methylenephosphonic acid)
15827-60-8

diethylenetriamine penta(methylenephosphonic acid)

cobalt(II) acetate
71-48-7, 917-69-1, 5931-89-5, 55881-15-7, 68931-68-0, 68931-69-1, 93029-27-7

cobalt(II) acetate

5Co(2+)*C9H18N3O15P5(10-)*16H2O = Co5(C9H18N3O15P5)*16H2O

5Co(2+)*C9H18N3O15P5(10-)*16H2O = Co5(C9H18N3O15P5)*16H2O

Conditions
ConditionsYield
With aq. Na2CO3 In water slow addn. of aq. soln. of ligand to soln. of metal salt with constant stirring, pptn. on addn. of aq. Na2CO3; addn. of acetone, filtration, washing (hot water, aq. acetone, acetone), drying (60-70°C); elem. anal.;
diethylenetriamine penta(methylenephosphonic acid)
15827-60-8

diethylenetriamine penta(methylenephosphonic acid)

copper diacetate
142-71-2

copper diacetate

5Cu(2+)*C9H18N3O15P5(10-)*15H2O = Cu5(C9H18N3O15P5)*15H2O

5Cu(2+)*C9H18N3O15P5(10-)*15H2O = Cu5(C9H18N3O15P5)*15H2O

Conditions
ConditionsYield
With aq. Na2CO3 In water slow addn. of aq. soln. of ligand to soln. of metal salt with constant stirring, pptn. on addn. of aq. Na2CO3; addn. of acetone, filtration, washing (hot water, aq. acetone, acetone), drying (60-70°C); elem. anal.;
diethylenetriamine penta(methylenephosphonic acid)
15827-60-8

diethylenetriamine penta(methylenephosphonic acid)

thallium(III) nitrate

thallium(III) nitrate

thallium(III) diethylenetriaminopentakis(methylenephosphate)

thallium(III) diethylenetriaminopentakis(methylenephosphate)

Conditions
ConditionsYield
In water mixed at pH 2; NMR;
zirconyl chloride octahydrate

zirconyl chloride octahydrate

diethylenetriamine penta(methylenephosphonic acid)
15827-60-8

diethylenetriamine penta(methylenephosphonic acid)

zirconium diethylene triamine pentamethylene phosphonate

zirconium diethylene triamine pentamethylene phosphonate

Conditions
ConditionsYield
In water aq. amine-compd. added dropwise at room temp. to Zr-compd. in H2O with continuous stirring, stirred for 1 h, allowed to age for 15 h; filtered, washed with H2O, dried at room temp., elem. anal.;

Diethylenetriaminepenta(methylene-phosphonic acid) Chemical Properties


IUPAC Name: [Bis[2-[bis(phosphonomethyl)amino]ethyl]amino]methylphosphonic acid
Molecular Formula: C9H28N3O15P5
Molecular Weight: 573.20 g/mol
SMILES: O=P(O)(O)CN(CCN(CP(=O)(O)O)CP(=O)(O)O)CCN(CP(=O)(O)O)CP(=O)(O)O
InChI: InChI=1/C9H28N3O15P5/c13-28(14,15)5-10(1-3-11(6-29(16,17)18)7-30(19,20)21)2-4-12(8-31(22,23)24)9-32(25,26)27/h1-9H2,(H2,13,14,15)(H2,16,17,18)(H2,19,20,21)(H2,22,23,24)(H2,25,26,27) 
EINECS: 239-931-4
Product Categories: Organics; Phosphonate antiscalant
Index of Refraction: 1.628 
Molar Refractivity: 104.62 cm3 
Molar Volume: 294.6 cm3 
Polarizability: 41.47×10-24 cm3 
Surface Tension: 130 dyne/cm 
Density: 1.945 g/cm3 
Flash Point: 560.6 °C 
Enthalpy of Vaporization: 158.66 kJ/mol 
Boiling Point: 1003.3 °C at 760 mmHg 
Vapour Pressure of Diethylenetriaminepenta(methylene-phosphonic acid) (CAS NO.15827-60-8): 0 mmHg at 25 °C

Diethylenetriaminepenta(methylene-phosphonic acid) Safety Profile

Hazard Codes: IrritantXi,CorrosiveC
Risk Statements: 36/37/38-51/53-41 
R36/37/38:Irritating to eyes, respiratory system and skin. 
R51/53:Toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment. 
R41:Risk of serious damage to the eyes.
Safety Statements: 26-36-33-28-23-16-9 
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. 
S36:Wear suitable protective clothing. 
S33:Take precautionary measures against static discharges. 
S28:After contact with skin, wash immediately with plenty of soap-suds. 
S23:Do not breathe vapour. 
S16:Keep away from sources of ignition. 
S9:Keep container in a well-ventilated place.
RIDADR of Diethylenetriaminepenta(methylene-phosphonic acid) (CAS NO.15827-60-8): UN 1789 8/PG 2

Diethylenetriaminepenta(methylene-phosphonic acid) Specification

  Diethylenetriaminepenta(methylene-phosphonic acid) (CAS NO.15827-60-8), its Synonyms are Diethylenetriamine, pentamethylenepentaphosphonic acid ; (((Phosphonomethyl)imino)bis(ethane-2,1-diylnitrilobis(methylene)))tetrakisphosphonic acid ; Phosphonic acid, (((phosphonomethyl)imino)bis(2,1-ethanediylnitrilobis(methylene)))tetrakis- ; Phosphonic acid, P,P',P'',P'''-(((phosphonomethyl)imino)bis(2,1-ethanediylnitrilobis(methylene)))tetrakis- . It is normally delivered as salts, because the acid form has very limited solubility in water and tends to crystallize in concentrated aqueous solutions. It is a nitrogenous organic polyphosphonic acid. It shows very good inhibition of the precipitation of barium sulfate . At high alkali and high temperature (above 210 °C) environments DTPMPA has better scale and corrosion inhibition effect than other phosphonates.

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