2-methoxy-1,3,2-benzodioxaphosphole

Modify Date: 2025-09-19 21:51:45

2-methoxy-1,3,2-benzodioxaphosphole Structure
2-methoxy-1,3,2-benzodioxaphosphole structure
 Common Name 2-methoxy-1,3,2-benzodioxaphosphole
CAS Number 20570-25-6 Molecular Weight 170.10200
Density N/A Boiling Point 206.4ºC at 760 mmHg
Molecular Formula C7H7O3P Melting Point N/A
MSDS N/A Flash Point 90.6ºC

 Names

Name 2-methoxy-1,3,2-benzodioxaphosphole
Synonym More Synonyms

 Chemical & Physical Properties

Boiling Point 206.4ºC at 760 mmHg
Molecular Formula C7H7O3P
Molecular Weight 170.10200
Flash Point 90.6ºC
Exact Mass 170.01300
PSA 41.28000
LogP 2.33110
Vapour Pressure 0.341mmHg at 25°C

 Synthetic Route

Methanol structure

Methanol

CAS#:67-56-1

4',4'-dimethyl-2λ5-spiro[benzo[1,3,2]dioxaphosphole-2,2'-[1,3,2]oxazaphospholidin]-5'-one structure

4',4'-dimethyl-...

CAS#:51145-42-7

~82%

2-methoxy-1,3,2-benzodioxaphosphole Structure

2-methoxy-1,3,2...

CAS#:20570-25-6

Trimethyl phosphite structure

Trimethyl phosphite

CAS#:121-45-9

Literature: Garrigues, Bernard; Munoz, Aurelio; Mulliez, Michel Phosphorus and Sulfur and the Related Elements, 1980 , vol. 9, p. 183 - 188
Methyl dichlorophosphite structure

Methyl dichloro...

CAS#:3279-26-3

~%

2-methoxy-1,3,2-benzodioxaphosphole Structure

2-methoxy-1,3,2...

CAS#:20570-25-6

Literature: Aksnes, Gunnar; Froeyen, Paul Phosphorus, Sulfur and Silicon and the Related Elements, 1991 , vol. 63, # 1/2 p. 45 - 50
1,2-Benzenediol structure

1,2-Benzenediol

CAS#:120-80-9

~%

2-methoxy-1,3,2-benzodioxaphosphole Structure

2-methoxy-1,3,2...

CAS#:20570-25-6

Literature: Arbusow; Walitowa Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, 1940 , p. 529,536, 542 Chem.Abstr., 1941 , p. 3990
1,2-PHENYLENE PHOSPHOROCHLORIDITE structure

1,2-PHENYLENE P...

CAS#:1641-40-3

Sodium Methylate structure

Sodium Methylate

CAS#:124-41-4

~%

2-methoxy-1,3,2-benzodioxaphosphole Structure

2-methoxy-1,3,2...

CAS#:20570-25-6

Literature: Arbusow; Walitowa Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, 1940 , p. 529,536, 542 Chem.Abstr., 1941 , p. 3990
Methyl dichlorophosphite structure

Methyl dichloro...

CAS#:3279-26-3

1,2-Benzenediol structure

1,2-Benzenediol

CAS#:120-80-9

~%

2-methoxy-1,3,2-benzodioxaphosphole Structure

2-methoxy-1,3,2...

CAS#:20570-25-6

Literature: Anschuetz; Walbrecht Journal fuer Praktische Chemie (Leipzig), 1932 , vol. <2> 133, p. 65,78
Methyl trifluoroacetate structure

Methyl trifluor...

CAS#:431-47-0

N,N-dimethyl-1,3,2-benzodioxaphosphol-2-amine structure

N,N-dimethyl-1,...

CAS#:18389-60-1

~%

2-methoxy-1,3,2-benzodioxaphosphole Structure

2-methoxy-1,3,2...

CAS#:20570-25-6

Literature: Burgada,R. Bulletin de la Societe Chimique de France, 1971 , p. 136 - 143
1,2-PHENYLENE PHOSPHOROCHLORIDITE structure

1,2-PHENYLENE P...

CAS#:1641-40-3

3,3-Diethoxy-2-butanone structure

3,3-Diethoxy-2-...

CAS#:51933-13-2

Trimethyl phosphite structure

Trimethyl phosphite

CAS#:121-45-9

~%

2-ethoxy-1,3,2-benzodioxaphosphole structure

2-ethoxy-1,3,2-...

CAS#:10072-02-3

Detail
Literature: Gazizov, M. B.; Khairullin, R. A.; Kharlamova, A. G.; Ostanina, L. P.; Savel'eva, E. I. J. Gen. Chem. USSR (Engl. Transl.), 1992 , vol. 62, # 2.2 p. 476 - 477,387 - 388
Methanol structure

Methanol

CAS#:67-56-1

1-benzo[1,3,2]dioxaphosphol-2-yl-pyrrole structure

1-benzo[1,3,2]d...

CAS#:33706-77-3

~%

2-methoxy-1,3,2-benzodioxaphosphole Structure

2-methoxy-1,3,2...

CAS#:20570-25-6

Literature: Burgada,R. et al. Bulletin de la Societe Chimique de France, 1974 , p. 341 - 342
1,2-PHENYLENE PHOSPHOROCHLORIDITE structure

1,2-PHENYLENE P...

CAS#:1641-40-3

Trimethyl orthoformate structure

Trimethyl ortho...

CAS#:149-73-5

~%

2-methoxy-1,3,2-benzodioxaphosphole Structure

2-methoxy-1,3,2...

CAS#:20570-25-6

Literature: Dietsche,W. Justus Liebigs Annalen der Chemie, 1968 , vol. 712, p. 21 - 27

 Synonyms

1,3,2-Benzodioxaphosphole,2-methoxy
2-Methoxy-1,3,2-benzodioxaphosphol
Phosphorous acid,cyclic o-phenylene-,methyl ester
2-methoxy-benz-1,3,2-dioxophospholene
Phosphorigsaeure-methylester-o-phenylenester
Methyl-o-phenylen-phosphit
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