6H-Dibenz[c,e][1,2]oxaphosphorin 6-oxide supplier

Name
9,10-Dihydro-9-oxa-10-phosphaphenanthrene 10-oxide
EINECS 252-813-7
CAS No. 35948-25-5
Article Data10
CAS DataBase
Density
Solubility 3.574g/L at 25℃
Melting Point 119 °C
Formula C₁₂H₉O₂P
Boiling Point 399.658 °C at 760 mmHg
Molecular Weight 216.176
Flash Point 206.441 °C
Transport Information
Appearance
Safety 26-36/37/39
Risk Codes 36/37/38
Molecular Structure
Hazard Symbols
Synonyms 3,4:5,6-Dibenzo-2H-1,2-oxaphosphorin-2-oxide;9,10-Dihydro-9-oxa-10-phosphaphenanthren-10-oxide;9,10-Dihydro-9-oxa-10-phosphaphenanthrene 10-oxide;9,10-Dihydro-9-oxa-10-phosphorylphenanthrene-10-oxide;
PSA 49.77000
LogP 2.84600

Synthetic route

: 22749-43-5
p-chlorodibenzo[c.e][1,2]oxaphosphorine

: 35948-25-5
9,10-dihydro-9-oxa-10-phosphaphenanthrene-10-oxide

Conditions

Conditions	Yield
With water; hydrogenchloride at 80℃; for 1h; Product distribution / selectivity;	98%
With water In toluene for 4h; Heating / reflux;	95%
In ethanol
With water
With water	10.1 g

: 35948-24-4
2-(2-hydroxyphenyl)-phenylphosphonous acid

: 35948-25-5
9,10-dihydro-9-oxa-10-phosphaphenanthrene-10-oxide

Conditions

Conditions	Yield
With toluene-4-sulfonic acid In water; toluene for 4h; Reflux;	97.5%
at 160℃; under 30 Torr; for 2h; Activation energy; Cyclization;
at 160℃; under 30 Torr; for 2h; Dehydration;
at 180℃; under 3.75038 Torr; for 6h; Pressure; Temperature;

: 33771-47-0
2-Phenylphen-1-oxydichlorphosphan

: 35948-25-5
9,10-dihydro-9-oxa-10-phosphaphenanthrene-10-oxide

Conditions

Conditions	Yield
Multi-step reaction with 2 steps 1: AlCl3 / heptane 2: aq. ethanol View Scheme

: 22749-43-5
p-chlorodibenzo[c.e][1,2]oxaphosphorine

: 90-43-7
2-Phenylphenol

: 35948-25-5
9,10-dihydro-9-oxa-10-phosphaphenanthrene-10-oxide

Conditions

Conditions	Yield
In toluene

: 1208129-37-6
1-propylammonium (2-hydroxy-biphenyl-2-yl)-phosphinate

A: 107-10-8
propylamine

B: 35948-25-5
9,10-dihydro-9-oxa-10-phosphaphenanthrene-10-oxide

Conditions

Conditions	Yield
at 165℃; under 3.75038 Torr; for 2.25h;

: 90-43-7
2-Phenylphenol

: 35948-25-5
9,10-dihydro-9-oxa-10-phosphaphenanthrene-10-oxide

Conditions

Conditions	Yield
Multi-step reaction with 2 steps 1: trifluorormethanesulfonic acid; phosphorus trichloride / 4.5 h / 150 °C 2: water View Scheme
Multi-step reaction with 3 steps 1.1: phosphorus trichloride; zinc(II) chloride / 4 h / 80 - 180 °C 2.1: diatomaceous earth / toluene / 0.5 h / 20 °C 2.2: 4 h / Reflux 3.1: 6 h / 180 °C / 3.75 Torr View Scheme

: 35948-25-5
9,10-dihydro-9-oxa-10-phosphaphenanthrene-10-oxide

: 32186-92-8
6-Chloro-6H-dibenz<1,2>oxaphosphorin

Conditions

Conditions	Yield
With chlorine; sodium hydroxide In dichloromethane at 20℃; for 12.6h; Inert atmosphere; Large scale;	100%
With chlorine In dichloromethane at 40℃; for 5h; Appel Halogenation;	100%
With tetrachloromethane; triethylamine In chloroform at 5℃;

: hexaepoxypropanoxycyclotriphosphazene

: 35948-25-5
9,10-dihydro-9-oxa-10-phosphaphenanthrene-10-oxide

: C90H84N3O24P9

Conditions

Conditions	Yield
at 160℃; for 5h; Temperature; Time;	99.8%

: 4645-32-3
dimethylvinylphosphonate

: 35948-25-5
9,10-dihydro-9-oxa-10-phosphaphenanthrene-10-oxide

: 2-(9,10-dihydro-9-oxo-10-phosphaphenanthrene-10-oxide-10-yl)dimethyl ethylphosphonate

Conditions

Conditions	Yield
at 130℃; for 8h; Inert atmosphere;	99.38%
With trimethylphosphane In tetrahydrofuran at 0 - 25℃; for 20.5h; Schlenk technique;	90%

: 1367371-13-8
N,N-bis(2-((trimethylsilyl)oxy)ethyl)acrylamide

: 35948-25-5
9,10-dihydro-9-oxa-10-phosphaphenanthrene-10-oxide

: 1367371-14-9
3-(6-oxido-6H-dibenzo[c,e][1,2]oxaphosphinin-6-yl)-N,N-bis{2-[(trimethylsilyl)oxy]ethyl}propanamide

Conditions

Conditions	Yield
With triethylamine In toluene Michael addition; Inert atmosphere; Reflux;	99%

: 1745-89-7
2,2-bis(3-allyl-4-hydroxyphenyl)propane

: 35948-25-5
9,10-dihydro-9-oxa-10-phosphaphenanthrene-10-oxide

: DDBA

Conditions

Conditions	Yield
With 2,2'-azobis(isobutyronitrile) In propan-1-ol at 75℃; for 24h; Temperature; Solvent;	98.8%

: 50-00-0
formaldehyd

: 109-89-7
diethylamine

: 35948-25-5
9,10-dihydro-9-oxa-10-phosphaphenanthrene-10-oxide

: 1133910-18-5
C17H22NO3P

Conditions

Conditions	Yield
In ethanol at 80℃; for 1.5h; Mannich condensation;	98%

...Expand

: 90-02-8
salicylaldehyde

: 150-13-0
4-amino-benzoic acid

: 35948-25-5
9,10-dihydro-9-oxa-10-phosphaphenanthrene-10-oxide

: 1160307-73-2
C26H20NO5P

Conditions

Conditions	Yield
In N,N-dimethyl-formamide at 20℃; for 12h;	98%

...Expand

: 50-00-0
formaldehyd

: 35948-25-5
9,10-dihydro-9-oxa-10-phosphaphenanthrene-10-oxide

: 35948-26-6
2-(6-oxido-6H-dibenz(c,e)(1,2)oxaphosphorin-6-yl)methanol

Conditions

Conditions	Yield
In benzene at 70℃; for 12h; Solvent; Temperature; Inert atmosphere;	98%
With sulfuric acid In diethylene glycol dimethyl ether at 50 - 120℃; for 6.5h; Temperature; Reagent/catalyst; Solvent; Inert atmosphere;	97%
at 100℃; for 4h;

: 536-74-3
phenylacetylene

: 35948-25-5
9,10-dihydro-9-oxa-10-phosphaphenanthrene-10-oxide

: 1586744-35-5
E-10-(styr-2-yl)-9,10-dihydro-9-oxa-10-phosphaphenantrene-10-oxide

Conditions

Conditions	Yield
Stage #1: 9,10-dihydro-9-oxa-10-phosphaphenanthrene-10-oxide With copper acetylacetonate In tetrahydrofuran; N,N-dimethyl-formamide Inert atmosphere; Stage #2: phenylacetylene In tetrahydrofuran; N,N-dimethyl-formamide at 70℃; for 16h; Catalytic behavior; Reagent/catalyst; Inert atmosphere; diastereoselective reaction;	98%

: C42H43N6O16P

: 35948-25-5
9,10-dihydro-9-oxa-10-phosphaphenanthrene-10-oxide

: C90H79N6O24P5

Conditions

Conditions	Yield
at 160℃; for 3h;	98%

: 1-p-toluenesulfonyl-4-ethynyl-1,4-dihydro-2H-benzo[d][1,3]-azahexan-2-one

: 35948-25-5
9,10-dihydro-9-oxa-10-phosphaphenanthrene-10-oxide

: 6-((1-tosyl-1H-indol-2-yl)methyl)dibenzo[c,e][1,2]oxaphosphinine 6-oxide

Conditions

Conditions	Yield
Stage #1: 9,10-dihydro-9-oxa-10-phosphaphenanthrene-10-oxide With copper(l) iodide; N-ethyl-N,N-diisopropylamine; 2,6-bis(4,5-dihydrooxazol-2-yl)pyridine In 1,2-dichloro-ethane at 20℃; for 0.166667h; Inert atmosphere; Schlenk technique; Stage #2: 1-p-toluenesulfonyl-4-ethynyl-1,4-dihydro-2H-benzo[d][1,3]-azahexan-2-one In 1,2-dichloro-ethane at 20℃; for 1h; Inert atmosphere; Schlenk technique;	98%

Yield

Stage #1: 9,10-dihydro-9-oxa-10-phosphaphenanthrene-10-oxide With copper(l) iodide; N-ethyl-N,N-diisopropylamine; 2,6-bis(4,5-dihydrooxazol-2-yl)pyridine In 1,2-dichloro-ethane at 20℃; for 0.166667h; Inert atmosphere; Schlenk technique;
Stage #2: 1-p-toluenesulfonyl-4-ethynyl-1,4-dihydro-2H-benzo[d][1,3]-azahexan-2-one In 1,2-dichloro-ethane at 20℃; for 1h; Inert atmosphere; Schlenk technique;

98%

: 107-13-1
acrylonitrile

: 35948-25-5
9,10-dihydro-9-oxa-10-phosphaphenanthrene-10-oxide

: 6H-dibenz[c,e][1,2]oxaphosphorin-6-propanenitrile 6-oxide

Conditions

Conditions	Yield
	97%
at 130℃; for 1h; microwave irradiation;	89%

: 30674-80-7
2-Isocyanatoethyl methacrylate

: 35948-25-5
9,10-dihydro-9-oxa-10-phosphaphenanthrene-10-oxide

: C19H18NO5P

Conditions

Conditions	Yield
With triethylamine In dichloromethane at 30℃; for 10h;	97%

6H-Dibenz[c,e][1,2]oxaphosphorin 6-oxide Chemical Properties

IUPAC Name: Benzo[c][1,2]benzoxaphosphinin-6-ium 6-oxide
Molecular Formula: C₁₂H₉O₂P
Molecular Weight: 216.17 g/mol
Canonical SMILES: c12c3c([P@@](=O)Oc1cccc2)cccc3
InChI: InChI=1/C12H9O2P/c13-15-12-8-4-2-6-10(12)9-5-1-3-7-11(9)14-15/h1-8,15H
EINECS: 252-813-7
Product Categories: Industrial/Fine Chemicals
Flash Point: 206.441 °C
Enthalpy of Vaporization: 62.506 kJ/mol
Boiling Point: 399.658 °C at 760 mmHg
Melting Point: 119 °C
Vapour Pressure of 6H-Dibenz[c,e][1,2]oxaphosphorin 6-oxide (CAS NO.35948-25-5): 0 mmHg at 25 °C

6H-Dibenz[c,e][1,2]oxaphosphorin 6-oxide Safety Profile

Risk Statements: 36/37/38
R36/37/38: Irritating to eyes, respiratory system and skin.
Safety Statements of 6H-Dibenz[c,e][1,2]oxaphosphorin 6-oxide (CAS NO.35948-25-5): 26-36/37/39
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.

6H-Dibenz[c,e][1,2]oxaphosphorin 6-oxide Specification

6H-Dibenz[c,e][1,2]oxaphosphorin 6-oxide (CAS NO.35948-25-5), its Synonyms are 9,10-Dihydro-9-oxa-10-phosphaphenanthrene 10-oxide ; 9,10-Dihydro-9-oxa-10-phosphaphenanthrene-10-oxide ; 3,4:5,6-dibenzo-1,2-oxaphosphane-2-oxide ; 9,10-dihydro-9-oxa-10-phospaphenanthrene- .

Product Name

9,10-Dihydro-9-oxa-10-phosphaphenanthrene 10-oxide

Synthetic route

6H-Dibenz[c,e][1,2]oxaphosphorin 6-oxide Chemical Properties

6H-Dibenz[c,e][1,2]oxaphosphorin 6-oxide Safety Profile

6H-Dibenz[c,e][1,2]oxaphosphorin 6-oxide Specification

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