Product Name

  • Name

    N-(Carboxymethyl)-N-(phosphonomethyl)-glycine

  • EINECS 227-824-5
  • CAS No. 5994-61-6
  • Article Data28
  • CAS DataBase
  • Density 1.792 g/cm3
  • Solubility
  • Melting Point 215 °C (dec.)(lit.)
  • Formula C5H10NO7P
  • Boiling Point 585.9 °C at 760 mmHg
  • Molecular Weight 227.111
  • Flash Point 308.2 °C
  • Transport Information UN 3261 8/PG 3
  • Appearance Neutral crystalline powder
  • Safety 26-36/37/39-45
  • Risk Codes 34
  • Molecular Structure Molecular Structure of 5994-61-6 (N-(Carboxymethyl)-N-(phosphonomethyl)-glycine)
  • Hazard Symbols CorrosiveC
  • Synonyms Aceticacid, [(phosphonomethyl)imino]di- (6CI,7CI,8CI);AminomethylphosphonicN,N-diacetic acid;N-(Phosphonomethyl)iminodiacetic acid;Nitrilodiacetic acid methylphosphonic acid;Nitrilotris(methylene) triphonicacid;Phosphonomethyliminodiacetic acid;
  • PSA 145.18000
  • LogP -1.40720

Synthetic route

formaldehyd
50-00-0

formaldehyd

iminodiacetonitrile
628-87-5

iminodiacetonitrile

phosphonomethylimino-di-acetic acid
5994-61-6

phosphonomethylimino-di-acetic acid

Conditions
ConditionsYield
Stage #1: iminodiacetonitrile With sodium hydroxide In water at 45 - 50℃; for 1h;
Stage #2: With phosphorus trichloride
Stage #3: formaldehyd at 115 - 120℃; for 2h;
93.8%
Stage #1: iminodiacetonitrile With hydrogenchloride; sulfuric acid In water at 80 - 160℃; under 1500.15 - 15001.5 Torr; for 6h; Inert atmosphere; Autoclave;
Stage #2: formaldehyd With phosphonic Acid In water for 3h; Pressure; Temperature; Inert atmosphere; Autoclave; Reflux;
90.52%
Ν,Ν-biscyanomethyl glycine
31611-66-2

Ν,Ν-biscyanomethyl glycine

phosphonomethylimino-di-acetic acid
5994-61-6

phosphonomethylimino-di-acetic acid

Conditions
ConditionsYield
Stage #1: Ν,Ν-biscyanomethyl glycine With methanesulfonic acid; phosphorus pentoxide In acetonitrile at 25 - 40℃; for 21h;
Stage #2: With water; sodium hydroxide In acetonitrile at 90℃; for 7h; Reagent/catalyst; Time; pH-value; Temperature;
97.3%
Stage #1: Ν,Ν-biscyanomethyl glycine With phosphorus(III) oxide; methanesulfonic acid In acetonitrile at 20 - 40℃; for 21h;
Stage #2: In water at 90℃; for 7h; Temperature; Time; Concentration; Reagent/catalyst;
97.3 %Spectr.
formaldehyd
50-00-0

formaldehyd

monosodium salt of iminodiacetic acid

monosodium salt of iminodiacetic acid

phosphonomethylimino-di-acetic acid
5994-61-6

phosphonomethylimino-di-acetic acid

Conditions
ConditionsYield
With hydrogenchloride; phosphorous acid In water at 115 - 120℃; for 2h;94.1%
With hydrogenchloride; phosphonic Acid In water
iminodiacetic acid hydrochloride

iminodiacetic acid hydrochloride

iminodiacetonitrile
628-87-5

iminodiacetonitrile

phosphonomethylimino-di-acetic acid
5994-61-6

phosphonomethylimino-di-acetic acid

Conditions
ConditionsYield
Stage #1: iminodiacetonitrile With sodium hydroxide In water at 100 - 110℃; for 1h;
Stage #2: iminodiacetic acid hydrochloride With dihydrogen peroxide; pyrographite at 80 - 100℃; for 0.5h;
Stage #3: With formaldehyd; phosphoric acid at 110℃; for 3h; Reagent/catalyst;
98.5%
formaldehyd
50-00-0

formaldehyd

iminodiacetic acid monosodium

iminodiacetic acid monosodium

phosphonomethylimino-di-acetic acid
5994-61-6

phosphonomethylimino-di-acetic acid

Conditions
ConditionsYield
With hydrogenchloride; phosphonic Acid In water at 80 - 110℃; for 5h; Temperature;94.2%
formaldehyd
50-00-0

formaldehyd

iminodiacetic acid
142-73-4

iminodiacetic acid

phosphonomethylimino-di-acetic acid
5994-61-6

phosphonomethylimino-di-acetic acid

Conditions
ConditionsYield
With hydrogenchloride; phosphorous acid In water at 100 - 120℃; under 7500.75 - 9000.9 Torr;93.1%
With phosphonic Acid for 3h; Reflux; Green chemistry;90.3%
Stage #1: iminodiacetic acid With phosphonic Acid In water Reflux;
Stage #2: formaldehyd In water at 130 - 136℃; for 1.75h; Product distribution / selectivity;
67.3%
phosphorous acid
10294-56-1

phosphorous acid

iminodiacetic acid
142-73-4

iminodiacetic acid

phosphonomethylimino-di-acetic acid
5994-61-6

phosphonomethylimino-di-acetic acid

Conditions
ConditionsYield
With formaldehyd; sulfuric acid78.2%
With formaldehyd; sulfuric acid75.3%
With formaldehyd; sulfuric acid74.2%
With formaldehyd; sulfuric acid In water59.8%
Ν,Ν-biscyanomethyl glycine
31611-66-2

Ν,Ν-biscyanomethyl glycine

A

phosphonomethylimino-di-acetic acid
5994-61-6

phosphonomethylimino-di-acetic acid

B

N,N-bis(cyanomethyl)aminomethylphosphonic acid
76127-84-9

N,N-bis(cyanomethyl)aminomethylphosphonic acid

Conditions
ConditionsYield
Stage #1: Ν,Ν-biscyanomethyl glycine With methanesulfonic acid; phosphorus pentoxide In acetonitrile at 25 - 30℃; for 2h;
Stage #2: With water; sodium hydroxide at 25℃; Solvent; Time; Temperature; Reagent/catalyst;
A 15.1%
B 37.6%
With phosphorus(III) oxide; trifluorormethanesulfonic acid In acetonitrile at 30℃; for 3h; Reagent/catalyst; Temperature; Concentration; Time;A 13.4 %Spectr.
B 65.3 %Spectr.
N-hydroxymethylimino diacetic acid diethyl ester
1531623-12-7

N-hydroxymethylimino diacetic acid diethyl ester

phosphonomethylimino-di-acetic acid
5994-61-6

phosphonomethylimino-di-acetic acid

Conditions
ConditionsYield
Stage #1: N-hydroxymethylimino diacetic acid diethyl ester With methanesulfonic acid; phosphorus pentoxide; Dimethyl phosphite at 50 - 85℃;
Stage #2: With water at 85℃; for 1h; Reagent/catalyst; Time; Temperature;
61%
formaldehyd
50-00-0

formaldehyd

1,4-di(carboxymethyl)-2,5-diketopiperazine
77752-64-8

1,4-di(carboxymethyl)-2,5-diketopiperazine

phosphonomethylimino-di-acetic acid
5994-61-6

phosphonomethylimino-di-acetic acid

Conditions
ConditionsYield
With hydrogenchloride In water55%
1,3,5-Trioxan
110-88-3

1,3,5-Trioxan

Diethyl iminodiacetate
6290-05-7

Diethyl iminodiacetate

phosphonomethylimino-di-acetic acid
5994-61-6

phosphonomethylimino-di-acetic acid

Conditions
ConditionsYield
Stage #1: 1,3,5-Trioxan; Diethyl iminodiacetate With acetic acid at 80℃; for 6h;
Stage #2: With phosphorus pentoxide at 20 - 80℃; for 8h;
Stage #3: With water at 100℃; for 6h;
53%
formaldehyd
50-00-0

formaldehyd

phosphorus trichloride hydrolysate

phosphorus trichloride hydrolysate

1,4-di(carboxymethyl)-2,5-diketopiperazine
77752-64-8

1,4-di(carboxymethyl)-2,5-diketopiperazine

phosphonomethylimino-di-acetic acid
5994-61-6

phosphonomethylimino-di-acetic acid

Conditions
ConditionsYield
With hydrogenchloride88.2%
methyl phosphonic acid monosodium chlorine

methyl phosphonic acid monosodium chlorine

iminodiacetic acid disodium salt

iminodiacetic acid disodium salt

phosphonomethylimino-di-acetic acid
5994-61-6

phosphonomethylimino-di-acetic acid

Conditions
ConditionsYield
With chlorine; sodium iodide at 80 - 90℃; for 14h;
formaldehyd
50-00-0

formaldehyd

monosodium salt of iminodiacetic acid

monosodium salt of iminodiacetic acid

phosphorous acid
10294-56-1

phosphorous acid

phosphonomethylimino-di-acetic acid
5994-61-6

phosphonomethylimino-di-acetic acid

Conditions
ConditionsYield
With hydrogenchloride97%, 91%
formaldehyd
50-00-0

formaldehyd

iminodiacetic acid disodium salt

iminodiacetic acid disodium salt

phosphonomethylimino-di-acetic acid
5994-61-6

phosphonomethylimino-di-acetic acid

Conditions
ConditionsYield
With hydrogenchloride; phosphorus trichloride In water Product distribution / selectivity;
With hydrogenchloride; N-methyl N-phosphonomethylglycine; phosphorus trichloride In water Product distribution / selectivity;
With hydrogenchloride; phosphorus trichloride In water Product distribution / selectivity; N-(phosphonomethyl)iminodiacetic acid seeds;
disodium chloromethylphosphonate

disodium chloromethylphosphonate

disodium salt of bis-carboxymethyl-amine

disodium salt of bis-carboxymethyl-amine

phosphonomethylimino-di-acetic acid
5994-61-6

phosphonomethylimino-di-acetic acid

phosphonomethylimino-di-acetic acid
5994-61-6

phosphonomethylimino-di-acetic acid

N-(phosphonemethyl)glycine
1071-83-6

N-(phosphonemethyl)glycine

Conditions
ConditionsYield
Calgon CENTAUR 80-100 mesh (149-177 μm) at 95℃; Product distribution / selectivity;98.6%
Norit PK at 95℃; Conversion of starting material;98.3%
Nuchar RGC at 95℃; Conversion of starting material;98.9%
strontium nitrate

strontium nitrate

phosphonomethylimino-di-acetic acid
5994-61-6

phosphonomethylimino-di-acetic acid

[(strontium)2(N-(phosphonomethyl)iminodiacetic acid(-4H))(H2O)]

[(strontium)2(N-(phosphonomethyl)iminodiacetic acid(-4H))(H2O)]

Conditions
ConditionsYield
With 1,3-di(piperidin-4-yl)propane In ethanol; water at 180℃; for 72h; pH=3.42; Autoclave;81.63%
phosphonomethylimino-di-acetic acid
5994-61-6

phosphonomethylimino-di-acetic acid

BaCl2*4H2O

BaCl2*4H2O

[(strontium)2(N-(phosphonomethyl)iminodiacetic acid(-2H))(HPO4)]

[(strontium)2(N-(phosphonomethyl)iminodiacetic acid(-2H))(HPO4)]

Conditions
ConditionsYield
With 1,3-di(piperidin-4-yl)propane In ethanol; water at 180℃; for 72h; pH=2.16; Autoclave;80.74%
phosphonomethylimino-di-acetic acid
5994-61-6

phosphonomethylimino-di-acetic acid

barium(II) hydroxide

barium(II) hydroxide

[(barium)2(N-(phosphonomethyl)iminodiacetic acid(-2H))2(H2O)]

[(barium)2(N-(phosphonomethyl)iminodiacetic acid(-2H))2(H2O)]

Conditions
ConditionsYield
With 1,3-di(piperidin-4-yl)propane In ethanol; water at 150℃; for 48h; pH=2.16; Autoclave;78.87%
phosphonomethylimino-di-acetic acid
5994-61-6

phosphonomethylimino-di-acetic acid

benzene-1,3,5-tricarboxylic acid
554-95-0

benzene-1,3,5-tricarboxylic acid

water
7732-18-5

water

magnesium oxide

magnesium oxide

[Mg15(PMIDA)6(BTC)2(H2O)12]·6H2O

[Mg15(PMIDA)6(BTC)2(H2O)12]·6H2O

Conditions
ConditionsYield
at 180℃; for 168h; pH=5; Autoclave;77%
phosphonomethylimino-di-acetic acid
5994-61-6

phosphonomethylimino-di-acetic acid

benzene-1,3,5-tricarboxylic acid
554-95-0

benzene-1,3,5-tricarboxylic acid

cobalt(II) diacetate tetrahydrate
6147-53-1

cobalt(II) diacetate tetrahydrate

magnesium oxide

magnesium oxide

[Co13Mg2(PMIDA)6(BTC)2(H2O)12]·6H2O

[Co13Mg2(PMIDA)6(BTC)2(H2O)12]·6H2O

Conditions
ConditionsYield
With ammonium hydroxide In water at 180℃; for 120h; pH=5; Autoclave;77%
ammonium molybdate(VI) tetrahydrate

ammonium molybdate(VI) tetrahydrate

dimethylsulfite
616-42-2

dimethylsulfite

phosphonomethylimino-di-acetic acid
5994-61-6

phosphonomethylimino-di-acetic acid

N-(phosphonemethyl)glycine
1071-83-6

N-(phosphonemethyl)glycine

Conditions
ConditionsYield
With dihydrogen peroxide In water76%
erbium(III) chloride hexahydrate

erbium(III) chloride hexahydrate

phosphonomethylimino-di-acetic acid
5994-61-6

phosphonomethylimino-di-acetic acid

iron(II) oxalate dihydrate
6047-25-2

iron(II) oxalate dihydrate

[ErFe(III)(Fe(II))6(N-(phosphonomethyl)iminodiacetateH)6]*nH2O

[ErFe(III)(Fe(II))6(N-(phosphonomethyl)iminodiacetateH)6]*nH2O

Conditions
ConditionsYield
With aq. NaOH In further solvent(s) to mixt. of acid, Fe oxalate, ErCl3*6H2O added eutectic mixt. of cholinechloride and malonic acid and aq. NaOH; suspn. magnetically stirred for 1 h at ambient temp.; gel transferred to react. vessel, placed in prehe ated oven (at 150°C) for 90 h; washed 3 times with EtOH with ultrasonic vibration and with water; air dried at ambient temp.;76%
manganese(II) chloride tetrahydrate

manganese(II) chloride tetrahydrate

phosphonomethylimino-di-acetic acid
5994-61-6

phosphonomethylimino-di-acetic acid

Mn(H2O)(N-(phosphonomethyl)iminodiacetate)
821780-71-6

Mn(H2O)(N-(phosphonomethyl)iminodiacetate)

Conditions
ConditionsYield
With tetramethylammonium hydroxide In water High Pressure; to an aq. soln. of Mn-contg. compd. a ligand and TMAOH soln. were added with stirring; the final mixt. with a molar ratio 1 MnCl2*4H2O: 1 H4PMIDA: 4 TMAOH was crystd. in a bomb at 150°C for 5 d; the compd. was filtered and washed with distd. water; elem. anal.; detd.by powder XRD;75%
phosphonomethylimino-di-acetic acid
5994-61-6

phosphonomethylimino-di-acetic acid

benzene-1,3,5-tricarboxylic acid
554-95-0

benzene-1,3,5-tricarboxylic acid

water
7732-18-5

water

nickel(II) acetate tetrahydrate
6018-89-9

nickel(II) acetate tetrahydrate

magnesium carbonate

magnesium carbonate

[Mg8Ni12(OH)12(N-(phosphonomethyl)iminodiacetic acid-H4)4(1,3,5-benzenetricarboxylic acid-H3)4(H2O)16]*9H2O

[Mg8Ni12(OH)12(N-(phosphonomethyl)iminodiacetic acid-H4)4(1,3,5-benzenetricarboxylic acid-H3)4(H2O)16]*9H2O

Conditions
ConditionsYield
With ammonia at 190℃; for 120h; pH=7; Temperature; pH-value;75%
barium(II) nitrate

barium(II) nitrate

phosphonomethylimino-di-acetic acid
5994-61-6

phosphonomethylimino-di-acetic acid

cobalt(II) diacetate tetrahydrate
6147-53-1

cobalt(II) diacetate tetrahydrate

[CoBa(PMIDA)(H2O)2]·H2O

[CoBa(PMIDA)(H2O)2]·H2O

Conditions
ConditionsYield
With ammonium hydroxide; benzene-1,3,5-tricarboxylic acid In water at 180℃; for 120h; pH=10; Autoclave;73%
ammonium molybdate(VI) tetrahydrate

ammonium molybdate(VI) tetrahydrate

phosphonomethylimino-di-acetic acid
5994-61-6

phosphonomethylimino-di-acetic acid

N-(phosphonemethyl)glycine
1071-83-6

N-(phosphonemethyl)glycine

Conditions
ConditionsYield
With sulphur dichloride; dihydrogen peroxide In water71%
With dihydrogen peroxide In water68%
cobalt(II) chloride hexahydrate

cobalt(II) chloride hexahydrate

phosphonomethylimino-di-acetic acid
5994-61-6

phosphonomethylimino-di-acetic acid

[H3O]6[Co4(H2O)4(N-(phosphonomethyl)iminodiacetic acid(-4H))2(N-(phosphonomethyl)iminodiacetic acid(-3H))2]*2H2O

[H3O]6[Co4(H2O)4(N-(phosphonomethyl)iminodiacetic acid(-4H))2(N-(phosphonomethyl)iminodiacetic acid(-3H))2]*2H2O

Conditions
ConditionsYield
With (CH3)4NOH; NH4F In ethanol High Pressure; Co salt and NH4F dissolved in EtOH; N-(phosphonomethyl)iminodiacetic acid added with vigorous stirring; Me4NOH added; molar ratio = 1:4:1:1; stirred; mixt. heated at 170°C in autoclave for 5 d; crystals filtered under vac.; washed with EtOH; dried in air; elem. anal.;70%
fac-[ReI(OH2)3(CO)3](SO3CF3)
1356855-78-1, 811431-04-6

fac-[ReI(OH2)3(CO)3](SO3CF3)

phosphonomethylimino-di-acetic acid
5994-61-6

phosphonomethylimino-di-acetic acid

C8H7NO10PRe(2-)

C8H7NO10PRe(2-)

Conditions
ConditionsYield
With sodium hydroxide In water at 20℃; for 4h; pH=Ca. 4;68%
oxovanadium(IV) sulfate

oxovanadium(IV) sulfate

phosphonomethylimino-di-acetic acid
5994-61-6

phosphonomethylimino-di-acetic acid

sodium hydrogencarbonate
144-55-8

sodium hydrogencarbonate

2Na(1+)*0.5V2O2(O3PCH2N(CH2CO2)2)2(4-)*5H2O=(Na4[V2O2(O3PCH2N(CH2CO2)2)2]*10H2O)0.5

2Na(1+)*0.5V2O2(O3PCH2N(CH2CO2)2)2(4-)*5H2O=(Na4[V2O2(O3PCH2N(CH2CO2)2)2]*10H2O)0.5

Conditions
ConditionsYield
In water addn. of NaHCO3 (to pH=2 or 4) to mixt. of V-compd. and ligand, stirringat room temp. for 24 h; EtOH addn., crystn. (4°C, 1 week; two crops), collection (filtration), washing (EtOH), drying (vac.); elem. anal.;67%

N-(Carboxymethyl)-N-(phosphonomethyl)-glycine Chemical Properties


IUPAC Name: 2-[Carboxymethyl(phosphonomethyl)amino]acetic acid
Molecular Formula: C5H10NO7P
Molecular Weight: 227.11 g/mol
Canonical SMILES: O=P(CN(CC(=O)O)CC(=O)O)(O)O
InChI: InChI=1/C5H10NO7P/c7-4(8)1-6(2-5(9)10)3-14(11,12)13/h1-3H2,(H,7,8)(H,9,10)(H2,11,12,13)
EINECS: 227-824-5
Product Categories: Organic Building Blocks; Phosphonic / Phosphinic Acids; Phosphorus Compounds
XLogP3-AA: -4.6
H-Bond Donor: 4
H-Bond Acceptor: 8
Rotatable Bond Count: 6
Exact Mass: 227.019488
MonoIsotopic Mass: 227.019488
Topological Polar Surface Area: 135
Heavy Atom Count: 14
Complexity: 255
Melting Point: 215 °C (dec.)(lit.)
Index of Refraction: 1.577
Molar Refractivity: 42 cm3 
Molar Volume: 126.7 cm3 
Polarizability: 16.65×10-24 cm3 
Surface Tension: 105.2 dyne/cm 
Density: 1.792 g/cm3 
Flash Point: 308.2 °C 
Enthalpy of Vaporization: 95.61 kJ/mol 
Boiling Point: 585.9 °C at 760 mmHg 
Vapour Pressure of N-(Carboxymethyl)-N-(phosphonomethyl)-glycine (CAS NO.5994-61-6): 3.01E-15 mmHg at 25 °C

N-(Carboxymethyl)-N-(phosphonomethyl)-glycine Safety Profile

Hazard Codes: CorrosiveC
Risk Statements: 34 
R34: Causes burns.
Safety Statements: 26-36/37/39-45 
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. 
S36/37/39: Wear suitable protective clothing, gloves and eye/face protection. 
S45: In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.)
RIDADR: UN 3261 8/PG 3
WGK Germany of N-(Carboxymethyl)-N-(phosphonomethyl)-glycine (CAS NO.5994-61-6): 1

N-(Carboxymethyl)-N-(phosphonomethyl)-glycine Specification

  N-(Carboxymethyl)-N-(phosphonomethyl)-glycine (CAS NO.5994-61-6), its Synonyms are Glycine, N-(carboxymethyl)-N-(phosphonomethyl)- ; Phosphonomethyliminodiacetic acid ; N-Phosphonomethyl aminodiacetic acid .

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