1H-Phosphole,2,5-dihydro-1-methoxy-3-methyl-, 1-oxide

Modify Date: 2025-08-21 06:11:40

1H-Phosphole,2,5-dihydro-1-methoxy-3-methyl-, 1-oxide Structure
1H-Phosphole,2,5-dihydro-1-methoxy-3-methyl-, 1-oxide structure
 Common Name 1H-Phosphole,2,5-dihydro-1-methoxy-3-methyl-, 1-oxide
CAS Number 695-59-0 Molecular Weight 146.12400
Density 1.08g/cm3 Boiling Point 192.5ºC at 760 mmHg
Molecular Formula C6H11O2P Melting Point N/A
MSDS N/A Flash Point 84.5ºC

 Names

Name 1-methoxy-3-methyl-2,5-dihydro-1λ5-phosphole 1-oxide
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.08g/cm3
Boiling Point 192.5ºC at 760 mmHg
Molecular Formula C6H11O2P
Molecular Weight 146.12400
Flash Point 84.5ºC
Exact Mass 146.05000
PSA 36.11000
LogP 1.87080
Index of Refraction 1.446
InChIKey VYUKRXZGAMVEES-UHFFFAOYSA-N
SMILES COP1(=O)CC=C(C)C1

 Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
SZ6103800
CHEMICAL NAME :
3-Phospholene, 1-methoxy-3-methyl-, 1-oxide
CAS REGISTRY NUMBER :
695-59-0
LAST UPDATED :
199612
DATA ITEMS CITED :
1
MOLECULAR FORMULA :
C6-H11-O2-P

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intraperitoneal
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
3250 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
DANKAS Doklady Akademii Nauk SSSR. Proceedings of the Academy of Sciences of the USSR. For English translation, see DBIOAM and DKBSAS. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.1- 1933- Volume(issue)/page/year: 160,826,1965

 Synthetic Route

Methanol structure

Methanol

CAS#:67-56-1

1-hydroxy-3-methyl-2,5-dihydro-1λ5-phosphole 1-oxide structure

1-hydroxy-3-met...

CAS#:87243-93-4

~78%

1H-Phosphole,2,5-dihydro-1-methoxy-3-methyl-, 1-oxide Structure

1H-Phosphole,2,...

CAS#:695-59-0

Literature: Jablonkai, Erzsebet; Milen, Matyas; Drahos, Laszlo; Keglevich, Gyoergy Tetrahedron Letters, 2013 , vol. 54, # 44 p. 5873 - 5875
Methanol structure

Methanol

CAS#:67-56-1

1-chloro-3-methyl-2,5-dihydro-1λ5-phosphole 1-oxide structure

1-chloro-3-meth...

CAS#:18874-22-1

~77%

1H-Phosphole,2,5-dihydro-1-methoxy-3-methyl-, 1-oxide Structure

1H-Phosphole,2,...

CAS#:695-59-0

Literature: Keglevich, Gyoergy; Petnehazy, Imre; Miklos, Peter; Almasy, Attila; Toth, Gabor; et al. Journal of Organic Chemistry, 1987 , vol. 52, # 18 p. 3983 - 3986
2,3,7-Trimethyl-5-methoxy-1,4,5-dioxaphosphaspiro[4,4]nona-2,7-diene structure

2,3,7-Trimethyl...

CAS#:102639-94-1

~67%

3-methoxybutan-2-one structure

3-methoxybutan-2-one

CAS#:17742-05-1

1H-Phosphole,2,5-dihydro-1-methoxy-3-methyl-, 1-oxide Structure

1H-Phosphole,2,...

CAS#:695-59-0

Literature: Arbuzov, B. A.; Vizel', A. O.; Shchukina, L. I.; Vakulenko, O. V.; Zyablikova, T. A.; et al. J. Gen. Chem. USSR (Engl. Transl.), 1985 , vol. 55, # 8 p. 1705 - 1709,1514 - 1518
Methanol structure

Methanol

CAS#:67-56-1

2,3,7-Trimethyl-5-methoxy-1,4,5-dioxaphosphaspiro[4,4]nona-2,7-diene structure

2,3,7-Trimethyl...

CAS#:102639-94-1

~65%

3-methoxybutan-2-one structure

3-methoxybutan-2-one

CAS#:17742-05-1

1H-Phosphole,2,5-dihydro-1-methoxy-3-methyl-, 1-oxide Structure

1H-Phosphole,2,...

CAS#:695-59-0

Literature: Arbuzov, B. A.; Vizel', A. O.; Shchukina, L. I.; Vakulenko, O. V.; Zyablikova, T. A.; et al. J. Gen. Chem. USSR (Engl. Transl.), 1985 , vol. 55, # 8 p. 1705 - 1709,1514 - 1518
1-Methoxy-3-methyl-3-phospholene structure

1-Methoxy-3-met...

CAS#:50982-84-8

~%

1H-Phosphole,2,5-dihydro-1-methoxy-3-methyl-, 1-oxide Structure

1H-Phosphole,2,...

CAS#:695-59-0

Literature: Arbuzov, B. A.; Vizel', A. O.; Shchukina, L. I.; Vakulenko, O. V.; Zyablikova, T. A.; et al. J. Gen. Chem. USSR (Engl. Transl.), 1985 , vol. 55, # 8 p. 1705 - 1709,1514 - 1518
Methanol structure

Methanol

CAS#:67-56-1

1-(2-chloroethoxy)-3-methylphosphol-3-ene structure

1-(2-chloroetho...

CAS#:50982-88-2

~%

1-ethyl-3-methyl-2,5-dihydro-1λ5-phosphole 1-oxide structure

1-ethyl-3-methy...

CAS#:7529-24-0

1,3-Dimethyl-2,5-dihydro-1H-phosphole 1-oxide structure

1,3-Dimethyl-2,...

CAS#:15450-79-0

Detail
Literature: Arbuzov, B. A.; Vizel', A. O.; Shchukina, L. I.; Giniyatullin, R. S. Doklady Chemistry, 1980 , vol. 253, p. 371 - 374 Dokl. Akad. Nauk SSSR Ser. Khim., 1980 , vol. 253, # 4 p. 879 - 883
Bromoethane structure

Bromoethane

CAS#:74-96-4

1-(2-chloroethoxy)-3-methylphosphol-3-ene structure

1-(2-chloroetho...

CAS#:50982-88-2

~%

1-ethyl-3-methyl-2,5-dihydro-1λ5-phosphole 1-oxide structure

1-ethyl-3-methy...

CAS#:7529-24-0

1,3-Dimethyl-2,5-dihydro-1H-phosphole 1-oxide structure

1,3-Dimethyl-2,...

CAS#:15450-79-0

Detail
Literature: Arbuzov, B. A.; Vizel', A. O.; Shchukina, L. I.; Giniyatullin, R. S. Doklady Chemistry, 1980 , vol. 253, p. 371 - 374 Dokl. Akad. Nauk SSSR Ser. Khim., 1980 , vol. 253, # 4 p. 879 - 883

 Synonyms

1-Oxo-1-methoxy-3-methyl-3-phospholene
3-Phospholene,1-methoxy-3-methyl-,1-oxide
1-methoxy-3-methyl-3-phospholene 1-oxide
1-methoxy-3-methyl-2,5-dihydro-1H-phosphole 1-oxide
1-Methoxy-3-methyl-1-oxo-1-phospha-cyclopenten-(3)
2,5-dihydro-1-methoxy-3-methyl-1H-phosphole 1-oxide
1-oxo-1-methoxy-3-methylphosphol-3-ene
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Chemsrc provides CAS#:695-59-0 MSDS, density, melting point, boiling point, structure, etc. Its name is 1H-Phosphole,2,5-dihydro-1-methoxy-3-methyl-, 1-oxide>> amp version: 1H-Phosphole,2,5-dihydro-1-methoxy-3-methyl-, 1-oxide

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