Propylphosphonic anhydride supplier

Name
Propylphosphonic anhydride
EINECS 422-210-5
CAS No. 68957-94-8
Article Data7
CAS DataBase
Density 1.247 g/cm³
Solubility 9.6g/L at 25℃
Melting Point
Formula C₉H₂₁O₆P₃
Boiling Point 353.012 °C at 760 mmHg
Molecular Weight 318.183
Flash Point 180.976 °C
Transport Information
Appearance Clear light yellow solution
Safety 16-26-33-36/37/39-45
Risk Codes 11-34-66-67
Molecular Structure
Hazard Symbols F,C
Synonyms PPACA;Propanephosphonic acid cyclic anhydride;Propylphosphonic anhydride;T 3p;n-Propylphosphonic cyclic anhydride;
PSA 108.33000
LogP 4.85910

Synthetic route

: 4708-04-7
propylphosphonic dichloride

: 68957-94-8
2,4,6-tripropyl-1,3,5,2,4,6-trioxatriphosphinane-2,4,6-trioxide

Conditions

Conditions	Yield
With water 1) 1 h, 2) 3 h, 80 deg C, 17 Torr, 3) 3 h, 80 deg C, 5 Torr;	100%

: 18755-43-6
propanephosphonic acid dimethyl ester

: 68957-94-8
2,4,6-tripropyl-1,3,5,2,4,6-trioxatriphosphinane-2,4,6-trioxide

Conditions

Conditions	Yield
With acetic anhydride; 1-ethyl-3-methylimidazolium tetrafluoroborate at 45℃; for 4.5h; Temperature; Reflux;	95.14%

: 4708-04-7
propylphosphonic dichloride

: 71760-04-8
propylphosphonic anhydride

: 68957-94-8
2,4,6-tripropyl-1,3,5,2,4,6-trioxatriphosphinane-2,4,6-trioxide

Conditions

Conditions	Yield
In toluene at 90℃; for 8h; Concentration; Temperature; Inert atmosphere;	82.93%

: 4672-38-2
propylphosphonic acid

: 68957-94-8
2,4,6-tripropyl-1,3,5,2,4,6-trioxatriphosphinane-2,4,6-trioxide

Conditions

Conditions	Yield
Stage #1: propylphosphonic acid With acetic anhydride for 2h; Heating / reflux; Stage #2: at 350℃; under 0.0750075 - 75.0075 Torr;	80%
Stage #1: propylphosphonic acid With acetic anhydride for 24h; Reflux; Inert atmosphere; Stage #2: at 300℃; under 0.225023 Torr; Inert atmosphere;	72%
With thionyl chloride In toluene at 80℃; for 3.25h; Product distribution / selectivity; Reflux;

: 4708-04-7
propylphosphonic dichloride

: 18812-51-6
diethyl propylphosphonate

: 68957-94-8
2,4,6-tripropyl-1,3,5,2,4,6-trioxatriphosphinane-2,4,6-trioxide

Conditions

Conditions	Yield
at 115 - 260℃; for 3h; Temperature;	69%

: 389602-89-5
4-(6-methyl-pyridazin-3-yl)-benzylamine

: 486437-06-3
4-(4'-trifluoromethyl-biphenyl-2-carbonylamino)-1-methyl-imidazol-2-carboxylic acid

: 68957-94-8
2,4,6-tripropyl-1,3,5,2,4,6-trioxatriphosphinane-2,4,6-trioxide

: 486434-85-9
N-[4-(6-methyl-pyridazin-3-yl)-phenylmethyl]-4-(4'-trifluoro-methylbiphenyl-2-carbonylamino)-1-methyl-imidazole-2-carboxylic acid amide

Conditions

Conditions	Yield
With 4-methyl-morpholine In dichloromethane	96%
With 4-methyl-morpholine In dichloromethane	96%

...Expand

: 3-(biphenyl-2-carbonylamino)-benzoic acid

: 326409-72-7
[4-(1H-imidazol-2-yl)phenyl]methanamine

: 68957-94-8
2,4,6-tripropyl-1,3,5,2,4,6-trioxatriphosphinane-2,4,6-trioxide

: 389601-32-5
N-[4-(1H-imidazol-2-yl)-phenylmethyl]-3-(biphenyl-2-carbonylamino)-benzoic acid amide-hydrochloride

Conditions

Conditions	Yield
With 4-methyl-morpholine In dichloromethane	96%

...Expand

: 389602-62-4
3-({[4'-(trifluoromethyl)-1,1'-biphenyl-2-yl]carbonyl}amino)benzoic acid

: 68957-94-8
2,4,6-tripropyl-1,3,5,2,4,6-trioxatriphosphinane-2,4,6-trioxide

: 103-67-3
benzyl-methyl-amine

: 389601-29-0
N-phenylmethyl-N-methyl-3-(4'-trifluoromethylbiphenyl-2-carbonylamino)-benzoic acid amide

Conditions

Conditions	Yield
With 4-methyl-morpholine In dichloromethane	95%

...Expand

: 6-{[5-(trifluoromethyl)pyridin-2-yl]oxy}quinoline-2-carboxylic acid

: 68957-94-8
2,4,6-tripropyl-1,3,5,2,4,6-trioxatriphosphinane-2,4,6-trioxide

: 57260-71-6
1-t-Butoxycarbonylpiperazine

: tert-butyl 4-[(6-{[5-(trifluoromethyl)pyridin-2-yl]oxy}quinolin-2-yl)carbonyl]piperazine-1-carboxylate

Conditions

Conditions	Yield
With triethylamine In tetrahydrofuran; diethyl ether; water; ethyl acetate	95%

...Expand

: 486437-06-3
4-(4'-trifluoromethyl-biphenyl-2-carbonylamino)-1-methyl-imidazol-2-carboxylic acid

: 68957-94-8
2,4,6-tripropyl-1,3,5,2,4,6-trioxatriphosphinane-2,4,6-trioxide

: 486437-10-9
4-(pyridin-4-yl)-benzylamine

: 486434-82-6
N-[4-(pyridin-4-yl)-phenylmethyl]-4-(4'-trifluoromethylbiphenyl-2-carbonylamino)-1-methyl-imidazole-2-carboxylic acid amide

Conditions

Conditions	Yield
With 4-methyl-morpholine In dichloromethane	94%

...Expand

: (1H-benzo[d]imidazol-5-yl)methanamine

: 389602-62-4
3-({[4'-(trifluoromethyl)-1,1'-biphenyl-2-yl]carbonyl}amino)benzoic acid

: 68957-94-8
2,4,6-tripropyl-1,3,5,2,4,6-trioxatriphosphinane-2,4,6-trioxide

: 389601-65-4
N-(1H-Benzimidazol-5-ylmethyl)-3-(4'-trifluoromethylbiphenyl-2-carbonylamino)-benzoic acid amide

Conditions

Conditions	Yield
With 4-methyl-morpholine In dichloromethane	93%

...Expand

: 389602-62-4
3-({[4'-(trifluoromethyl)-1,1'-biphenyl-2-yl]carbonyl}amino)benzoic acid

: 389602-74-8
3-methyl-4-(phenylcarbonylamino)-benzylamine

: 68957-94-8
2,4,6-tripropyl-1,3,5,2,4,6-trioxatriphosphinane-2,4,6-trioxide

: 389601-72-3
N-[3-methyl-4-(phenylcarbonylamino)-phenylmethyl]-3-(4'-trifluoromethylbiphenyl-2-carbonylamino)-benzoic acid amide

Conditions

Conditions	Yield
With 4-methyl-morpholine In dichloromethane	89%

...Expand

: 486437-06-3
4-(4'-trifluoromethyl-biphenyl-2-carbonylamino)-1-methyl-imidazol-2-carboxylic acid

: 15996-82-4
(4'-chloro-[1,1'-biphenyl]-4-yl)methanamine

: 68957-94-8
2,4,6-tripropyl-1,3,5,2,4,6-trioxatriphosphinane-2,4,6-trioxide

: 486434-80-4
N-(4'-Chlorobiphenyl-4-yl)methyl-4-(4'-trifluoromethylbiphenyl-2-carbonylamino)-1-methyl-imidazol-2-carboxylic acid amide

Conditions

Conditions	Yield
With 4-methyl-morpholine In dichloromethane	88%
With 4-methyl-morpholine In dichloromethane	88%

...Expand

: 486437-06-3
4-(4'-trifluoromethyl-biphenyl-2-carbonylamino)-1-methyl-imidazol-2-carboxylic acid

: 68957-94-8
2,4,6-tripropyl-1,3,5,2,4,6-trioxatriphosphinane-2,4,6-trioxide

: [4-(1,2,3-thiadiazol-4-yl)phenyl]methanamine

: 486434-84-8
N-[4-([1,2,3]-thiadiazol-4-yl)-phenylmethyl]-4-(4'-trifluoro-methylbiphenyl-2-carbonylamino)-1-methyl-imidazole-2-carboxylic acid amide

Conditions

Conditions	Yield
With 4-methyl-morpholine In dichloromethane	88%
With 4-methyl-morpholine In dichloromethane	88%

...Expand

: 214759-73-6
(4-(piperidin-1-yl)phenyl)methanamine

: 486437-06-3
4-(4'-trifluoromethyl-biphenyl-2-carbonylamino)-1-methyl-imidazol-2-carboxylic acid

: 68957-94-8
2,4,6-tripropyl-1,3,5,2,4,6-trioxatriphosphinane-2,4,6-trioxide

: 486434-74-6
N-[4-(piperidino)-phenylmethyl]-4-(4'-trifluoromethyl-biphenyl-2-carbonylamino)-1-methyl-imidazol-2-carboxylic acid amide

Conditions

Conditions	Yield
With 4-methyl-morpholine In dichloromethane	88%

...Expand

: 3-(biphenyl-2-carbonylamino)-benzoic acid

: 712-76-5
N-(4-phenyl)benzylamine

: 68957-94-8
2,4,6-tripropyl-1,3,5,2,4,6-trioxatriphosphinane-2,4,6-trioxide

: N-(biphenyl-4-methyl)-3-(biphenyl-2-carbonylamino)-benzoic acid amide

Conditions

Conditions	Yield
With 4-methyl-morpholine In dichloromethane	88%

...Expand

: 109-02-4
4-methyl-morpholine

: 486436-88-8
4-(3,4-dihydro-2H-quinolin-1-yl)-benzylamine

: 486437-06-3
4-(4'-trifluoromethyl-biphenyl-2-carbonylamino)-1-methyl-imidazol-2-carboxylic acid

: 68957-94-8
2,4,6-tripropyl-1,3,5,2,4,6-trioxatriphosphinane-2,4,6-trioxide

: 486434-76-8
N-[4-(3,4-dihydro-2H-quinolin-1-yl)-phenylmethyl]-4-(4'-trifluoromethylbiphenyl-2-carbonylamino)-1-methyl-imidazol-2-carboxylic acid amide

Conditions

Conditions	Yield
In dichloromethane	85%

...Expand

: 486436-88-8
4-(3,4-dihydro-2H-quinolin-1-yl)-benzylamine

: 486437-06-3
4-(4'-trifluoromethyl-biphenyl-2-carbonylamino)-1-methyl-imidazol-2-carboxylic acid

: 68957-94-8
2,4,6-tripropyl-1,3,5,2,4,6-trioxatriphosphinane-2,4,6-trioxide

: 486434-76-8
N-[4-(3,4-dihydro-2H-quinolin-1-yl)-phenylmethyl]-4-(4'-trifluoromethylbiphenyl-2-carbonylamino)-1-methyl-imidazol-2-carboxylic acid amide

Conditions

Conditions	Yield
With 4-methyl-morpholine In dichloromethane	85%

...Expand

: 389602-62-4
3-({[4'-(trifluoromethyl)-1,1'-biphenyl-2-yl]carbonyl}amino)benzoic acid

: 68957-94-8
2,4,6-tripropyl-1,3,5,2,4,6-trioxatriphosphinane-2,4,6-trioxide

: 104-84-7
para-methylbenzylamine

: 389601-59-6
N-(4-methyl-phenylmethyl)-3-(4'-trifluoromethylbiphenyl-2-carbonylamino)-benzoic acid amide

Conditions

Conditions	Yield
With 4-methyl-morpholine In dichloromethane	82%

...Expand

: 389602-62-4
3-({[4'-(trifluoromethyl)-1,1'-biphenyl-2-yl]carbonyl}amino)benzoic acid

: 68957-94-8
2,4,6-tripropyl-1,3,5,2,4,6-trioxatriphosphinane-2,4,6-trioxide

: 389601-12-1
N-(pyridine-3-yl-methyl)-3-(4'-trifluoromethylbiphenyl-2-carbonylamino)-benzoic acid amide

Conditions

Conditions	Yield
With 4-methyl-morpholine In dichloromethane	81%

: 389602-62-4
3-({[4'-(trifluoromethyl)-1,1'-biphenyl-2-yl]carbonyl}amino)benzoic acid

: 623-33-6
glycine ethyl ester hydrochloride

: 68957-94-8
2,4,6-tripropyl-1,3,5,2,4,6-trioxatriphosphinane-2,4,6-trioxide

: 389601-27-8
N-ethoxycarbonylmethyl-3-(4'-trifluoromethylbiphenyl-2-carbonylamino)-benzoic acid amide

Conditions

Conditions	Yield
With 4-methyl-morpholine In dichloromethane	79%

...Expand

: 389602-62-4
3-({[4'-(trifluoromethyl)-1,1'-biphenyl-2-yl]carbonyl}amino)benzoic acid

: 6325-23-1
4-aminomethyl-benzenesulfonic acid anilide

: 68957-94-8
2,4,6-tripropyl-1,3,5,2,4,6-trioxatriphosphinane-2,4,6-trioxide

: 389601-47-2
N-(4-phenylaminosulphonyl-phenylmethyl)-3-(4'-trifluoromethylbiphenyl-2-carbonylamino)-benzoic acid amide

Conditions

Conditions	Yield
With 4-methyl-morpholine In dichloromethane	73%

...Expand

: 109-02-4
4-methyl-morpholine

: 486437-19-8
3-(4-(trifluoromethyl)phenyl)prop-2-yn-1-amine

: 486437-06-3
4-(4'-trifluoromethyl-biphenyl-2-carbonylamino)-1-methyl-imidazol-2-carboxylic acid

: 68957-94-8
2,4,6-tripropyl-1,3,5,2,4,6-trioxatriphosphinane-2,4,6-trioxide

: 486434-91-7
N-[3-(4-Trifluoromethylphenyl)-prop-2-ynyl]-4-(4'-trifluoromethylbiphenyl-2-carbonylamino)-1-methyl-imidazole-2-carboxylic acid amide

Conditions

Conditions	Yield
In dichloromethane	71%

...Expand

: 486437-19-8
3-(4-(trifluoromethyl)phenyl)prop-2-yn-1-amine

: 486437-06-3
4-(4'-trifluoromethyl-biphenyl-2-carbonylamino)-1-methyl-imidazol-2-carboxylic acid

: 68957-94-8
2,4,6-tripropyl-1,3,5,2,4,6-trioxatriphosphinane-2,4,6-trioxide

: 486434-91-7
N-[3-(4-Trifluoromethylphenyl)-prop-2-ynyl]-4-(4'-trifluoromethylbiphenyl-2-carbonylamino)-1-methyl-imidazole-2-carboxylic acid amide

Conditions

Conditions	Yield
With 4-methyl-morpholine In dichloromethane	71%

...Expand

: 1-(2-amino-4-bromophenyl)-4-(2-aminophenyl)-2-(4-bromophenyl)butane-1,4-dione

: 68957-94-8
2,4,6-tripropyl-1,3,5,2,4,6-trioxatriphosphinane-2,4,6-trioxide

: 11-bromo-7-(4-bromophenyl)-7,13-dihydro-8H-benzo[6,7]azepino[3,2-c]quinolin-8-one

Conditions

Conditions	Yield
In N,N-dimethyl-formamide at 80℃; for 24h;	69%

: 1575-36-6
3-bromobenzene-1,2-diamine

: 68957-94-8
2,4,6-tripropyl-1,3,5,2,4,6-trioxatriphosphinane-2,4,6-trioxide

: 1138-80-3
N-(Benzyloxycarbonyl)glycine

: benzyl [2-(2-amino-3-bromoanilino)-2-oxoethyl]carbamate

Conditions

Conditions	Yield
Stage #1: 2,4,6-tripropyl-1,3,5,2,4,6-trioxatriphosphinane-2,4,6-trioxide; N-(Benzyloxycarbonyl)glycine With N-ethyl-N,N-diisopropylamine In dichloromethane; ethyl acetate at 0 - 20℃; for 0.5h; Stage #2: 3-bromobenzene-1,2-diamine In dichloromethane; ethyl acetate at 20℃; for 12h;	69%

...Expand

: 1624606-76-3
(4S,6S)-4-(5-amino-3-chloro-2-fluorophenyl)-4-methyl-6-(trifluoromethyl)-5,6-dihydro-4H-1,3-oxazin-2-amine

: 53234-55-2
5-cyano-pyridine-2-carboxylic acid

: 68957-94-8
2,4,6-tripropyl-1,3,5,2,4,6-trioxatriphosphinane-2,4,6-trioxide

: 1624605-05-5
N-(3-((4S,6S)-2-amino-4-methyl-6-(trifluoromethyl)-5,6-dihydro-4H-1,3-oxazin-4-yl)-5-chloro-4-fluorophenyl)-5-cyanopicolinamide

Conditions

Conditions	Yield
In N,N-dimethyl-formamide	68.3%

...Expand

: 1-(2-amino-4-bromophenyl)-4-(2-aminophenyl)-2-(4-(trifluoromethyl)phenyl)butane-1,4-dione

: 68957-94-8
2,4,6-tripropyl-1,3,5,2,4,6-trioxatriphosphinane-2,4,6-trioxide

: 11-bromo-7-(4-(trifluoromethyl)phenyl)-7,13-dihydro-8H-benzo[6,7]azepino[3,2-c]quinolin-8-one

Conditions

Conditions	Yield
In N,N-dimethyl-formamide at 80℃; for 24h;	68%

: 178163-63-8
4-(1,4-dioxa-spiro[4.5]dec-8-yl)-benzylamine

: 486437-06-3
4-(4'-trifluoromethyl-biphenyl-2-carbonylamino)-1-methyl-imidazol-2-carboxylic acid

: 68957-94-8
2,4,6-tripropyl-1,3,5,2,4,6-trioxatriphosphinane-2,4,6-trioxide

: 486434-93-9
N-[4-(1,4-dioxa-spiro[4.5]dec-8-yl)-phenylmethyl]-4-(4'-trifluoromethylbiphenyl-2-carbonylamino)-1-methyl-imidazole-2-carboxylic acid amide

Conditions

Conditions	Yield
With 4-methyl-morpholine In dichloromethane	67%
With 4-methyl-morpholine In dichloromethane	67%

...Expand

: 1-(2-amino-4-bromophenyl)-4-(2-aminophenyl)-2-phenylbutane-1,4-dione

: 68957-94-8
2,4,6-tripropyl-1,3,5,2,4,6-trioxatriphosphinane-2,4,6-trioxide

: 11-bromo-7-phenyl-7,13-dihydro-8H-benzo[6,7]azepino[3,2-c]quinolin-8-one

Conditions

Conditions	Yield
In N,N-dimethyl-formamide at 80℃; for 24h;	66%

Propylphosphonic anhydride Chemical Properties

IUPAC Name: 1,3,5-tripropyl-2,4,6-trioxa-1λ5,3λ5,5λ5-triphosphacyclohexane 1,3,5-trioxide
Empirical Formula: C₉H₂₁O₆P₃
Molecular Weight: 318.1807
EINECS: 422-210-5
Structure of 1,3,5,2,4,6-Trioxatriphosphorinane,2,4,6-tripropyl-, 2,4,6-trioxide (CAS NO.68957-94-8):

Index of Refraction: 1.438
Molar Refractivity: 67.11 cm³
Molar Volume: 255.2 cm³
Polarizability: 26.6×10^-24cm³
Surface Tension: 38.5 dyne/cm
Density: 1.24 g/cm³
Flash Point: 181 °C
Enthalpy of Vaporization: 57.43 kJ/mol
Boiling Point: 353 °C at 760 mmHg
Vapour Pressure: 7.51E-05 mmHg at 25°C
Storage temp: Flammables area
Sensitive: Moisture Sensitive
Canonical SMILES: CCCP1(=O)OP(=O)(OP(=O)(O1)CCC)CCC
InChI: InChI=1S/C9H21O6P3/c1-4-7-16(10)13-17(11,8-5-2)15-18(12,14-16)9-6-3/h4-9H2,1-3H3
InChIKey: PAQZWJGSJMLPMG-UHFFFAOYSA-N

Propylphosphonic anhydride Safety Profile

Hazard Codes: Toxic T, Corrosive C, Flammable F
Risk Statements: 61-20/21-34-67-66-11
R61:May cause harm to the unborn child.
R20/21:Harmful by inhalation and in contact with skin.
R34:Causes burns.
R67:Vapours may cause drowsiness and dizziness.
R66:Repeated exposure may cause skin dryness or cracking.
R11:Highly flammable.
Safety Statements: 53-26-36/37/39-45-33-16
S53:Avoid exposure - obtain special instructions before use.
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.)
S33:Take precautionary measures against static discharges.
S16:Keep away from sources of ignition.
RIDADR: UN 2924 3/PG 3
WGK Germany: 1
F: 21
HazardClass: 8
PackingGroup: II

Propylphosphonic anhydride Specification

1,3,5,2,4,6-Trioxatriphosphorinane,2,4,6-tripropyl-, 2,4,6-trioxide , its cas register number is 68957-94-8. It also can be called 1-Propanephosphonic acid cyclic anhydride ; 2,4,6-Tripropyl-1,3,5,2,4,6-trioxatriphosphinane 2,4,6-trioxide . 1,3,5,2,4,6-Trioxatriphosphorinane,2,4,6-tripropyl-, 2,4,6-trioxide (CAS NO.68957-94-8) is a clear light yellow solution.

Product Name

Propylphosphonic anhydride

Synthetic route

Propylphosphonic anhydride Chemical Properties

Propylphosphonic anhydride Safety Profile

Propylphosphonic anhydride Specification

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