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| CAS No.: | 35948-25-5 |
|---|---|
| Name: | 9,10-Dihydro-9-oxa-10-phosphaphenanthrene 10-oxide |
| Molecular Structure: | |
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| Formula: | C12H9O2P |
| Molecular Weight: | 216.176 |
| 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; |
| EINECS: | 252-813-7 |
| Melting Point: | 119 °C |
| Boiling Point: | 399.658 °C at 760 mmHg |
| Flash Point: | 206.441 °C |
| Solubility: | 3.574g/L at 25℃ |
| Risk Codes: | 36/37/38 |
| Safety: | 26-36/37/39 |
| PSA: | 49.77000 |
| LogP: | 2.84600 |
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- 22749-43-5
p-chlorodibenzo[c.e][1,2]oxaphosphorine
- 35948-25-5
9,10-dihydro-9-oxa-10-phosphaphenanthrene-10-oxide
| 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 | 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 | 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 | 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 | 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 | 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 | 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℃; |
- 35948-25-5
9,10-dihydro-9-oxa-10-phosphaphenanthrene-10-oxide
| 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
| Conditions | Yield |
|---|---|
| at 130℃; for 8h; Inert atmosphere; | 99.38% |
| With trimethylphosphane In tetrahydrofuran at 0 - 25℃; for 20.5h; Schlenk technique; | 90% |
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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 | Yield |
|---|---|
| With triethylamine In toluene Michael addition; Inert atmosphere; Reflux; | 99% |
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Chemistry
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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
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.
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- .