4-Ethyl-2,6,7-trioxa-1-phosphabicyclo[2.2.2]octane 1-oxide

Modify Date: 2025-08-20 21:33:47

4-Ethyl-2,6,7-trioxa-1-phosphabicyclo[2.2.2]octane 1-oxide Structure
4-Ethyl-2,6,7-trioxa-1-phosphabicyclo[2.2.2]octane 1-oxide structure
 Common Name 4-Ethyl-2,6,7-trioxa-1-phosphabicyclo[2.2.2]octane 1-oxide
CAS Number 1005-93-2 Molecular Weight 178.123
Density 1.3±0.1 g/cm3 Boiling Point 213.1±7.0 °C at 760 mmHg
Molecular Formula C6H11O4P Melting Point N/A
MSDS Chinese USA Flash Point 96.9±38.5 °C

 Use of 4-Ethyl-2,6,7-trioxa-1-phosphabicyclo[2.2.2]octane 1-oxide


Etbicyphat (Trimethylopropane phosphate) is a potent GABA(A) receptors competitive antagonist. Etbicyphat induces epileptiform activities in hippocampal CA1 neurons, and binds to the GABA(A)-benzodiazepine receptors[1].

 Names

Name 4-ethyl-2,6,7-trioxa-1λ5-phosphabicyclo[2.2.2]octane 1-oxide
Synonym More Synonyms

  Biological Activity

Description Etbicyphat (Trimethylopropane phosphate) is a potent GABA(A) receptors competitive antagonist. Etbicyphat induces epileptiform activities in hippocampal CA1 neurons, and binds to the GABA(A)-benzodiazepine receptors[1].
Related Catalog
Target

GABA(A)[1]

References

[1]. Rijal SO, et al. Dissociation constants for GABA(A) receptor antagonists determined with neuronal networks on microelectrode arrays. J Neurosci Methods. 2008 Aug 30;173(2):183-92.

 Chemical & Physical Properties

Density 1.3±0.1 g/cm3
Boiling Point 213.1±7.0 °C at 760 mmHg
Molecular Formula C6H11O4P
Molecular Weight 178.123
Flash Point 96.9±38.5 °C
Exact Mass 178.039490
PSA 54.57000
LogP 0.56
Vapour Pressure 0.2±0.4 mmHg at 25°C
Index of Refraction 1.467

 Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
TY6475000
CHEMICAL NAME :
1,3-Propanediol, 2-ethyl-2-(hydroxymethyl)-, cyclic phosphate
CAS REGISTRY NUMBER :
1005-93-2
LAST UPDATED :
199710
DATA ITEMS CITED :
16
MOLECULAR FORMULA :
C6-H11-O4-P
MOLECULAR WEIGHT :
178.14
WISWESSER LINE NOTATION :
T4PTJ AO BQ C2Q C1 DQ

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
3080 ug/kg
TOXIC EFFECTS :
Behavioral - convulsions or effect on seizure threshold
REFERENCE :
ARTODN Archives of Toxicology. (Springer-Verlag, Heidelberger Pl. 3, D-1000 Berlin 33, Fed. Rep. Ger.) V.32- 1974- Volume(issue)/page/year: 35,149,1976
TYPE OF TEST :
LC50 - Lethal concentration, 50 percent kill
ROUTE OF EXPOSURE :
Inhalation
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
30 mg/m3/1H
TOXIC EFFECTS :
Behavioral - convulsions or effect on seizure threshold
REFERENCE :
ARTODN Archives of Toxicology. (Springer-Verlag, Heidelberger Pl. 3, D-1000 Berlin 33, Fed. Rep. Ger.) V.32- 1974- Volume(issue)/page/year: 35,149,1976
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Administration onto the skin
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
50 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
ARTODN Archives of Toxicology. (Springer-Verlag, Heidelberger Pl. 3, D-1000 Berlin 33, Fed. Rep. Ger.) V.32- 1974- Volume(issue)/page/year: 35,149,1976
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intraperitoneal
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
960 ug/kg
TOXIC EFFECTS :
Behavioral - convulsions or effect on seizure threshold
REFERENCE :
ARTODN Archives of Toxicology. (Springer-Verlag, Heidelberger Pl. 3, D-1000 Berlin 33, Fed. Rep. Ger.) V.32- 1974- Volume(issue)/page/year: 35,149,1976
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
3550 ug/kg
TOXIC EFFECTS :
Behavioral - convulsions or effect on seizure threshold
REFERENCE :
ARTODN Archives of Toxicology. (Springer-Verlag, Heidelberger Pl. 3, D-1000 Berlin 33, Fed. Rep. Ger.) V.32- 1974- Volume(issue)/page/year: 35,149,1976
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intraperitoneal
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
1 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
SCIEAS Science. (American Assoc. for the Advancement of Science, 1333 H St., NW, Washington, DC 20005) V.1- 1895- Volume(issue)/page/year: 182,1135,1973
TYPE OF TEST :
LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE :
Intravenous
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
500 ug/kg
TOXIC EFFECTS :
Behavioral - somnolence (general depressed activity) Lungs, Thorax, or Respiration - dyspnea Gastrointestinal - changes in structure or function of salivary glands
REFERENCE :
EJMCA5 European Journal of Medicinal Chemistry--Chimie Therapeutique. (Editions Scientifiques Elsevier, 29 rue Buffon, F-75005, Paris, France) V.9- 1974- Volume(issue)/page/year: 13,207,1978
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Mammal - dog
DOSE/DURATION :
1 mg/kg
TOXIC EFFECTS :
Behavioral - convulsions or effect on seizure threshold
REFERENCE :
ARTODN Archives of Toxicology. (Springer-Verlag, Heidelberger Pl. 3, D-1000 Berlin 33, Fed. Rep. Ger.) V.32- 1974- Volume(issue)/page/year: 35,149,1976
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Mammal - cat
DOSE/DURATION :
5 mg/kg
TOXIC EFFECTS :
Behavioral - convulsions or effect on seizure threshold
REFERENCE :
ARTODN Archives of Toxicology. (Springer-Verlag, Heidelberger Pl. 3, D-1000 Berlin 33, Fed. Rep. Ger.) V.32- 1974- Volume(issue)/page/year: 35,149,1976
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rabbit
DOSE/DURATION :
5 mg/kg
TOXIC EFFECTS :
Behavioral - convulsions or effect on seizure threshold
REFERENCE :
ARTODN Archives of Toxicology. (Springer-Verlag, Heidelberger Pl. 3, D-1000 Berlin 33, Fed. Rep. Ger.) V.32- 1974- Volume(issue)/page/year: 35,149,1976
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - guinea pig
DOSE/DURATION :
2500 ug/kg
TOXIC EFFECTS :
Behavioral - convulsions or effect on seizure threshold
REFERENCE :
ARTODN Archives of Toxicology. (Springer-Verlag, Heidelberger Pl. 3, D-1000 Berlin 33, Fed. Rep. Ger.) V.32- 1974- Volume(issue)/page/year: 35,149,1976
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - hamster
DOSE/DURATION :
13 mg/kg
TOXIC EFFECTS :
Behavioral - convulsions or effect on seizure threshold
REFERENCE :
ARTODN Archives of Toxicology. (Springer-Verlag, Heidelberger Pl. 3, D-1000 Berlin 33, Fed. Rep. Ger.) V.32- 1974- Volume(issue)/page/year: 35,149,1976
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Bird - chicken
DOSE/DURATION :
75 mg/kg
TOXIC EFFECTS :
Behavioral - convulsions or effect on seizure threshold
REFERENCE :
ARTODN Archives of Toxicology. (Springer-Verlag, Heidelberger Pl. 3, D-1000 Berlin 33, Fed. Rep. Ger.) V.32- 1974- Volume(issue)/page/year: 35,149,1976
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Bird - quail
DOSE/DURATION :
15 mg/kg
TOXIC EFFECTS :
Behavioral - convulsions or effect on seizure threshold
REFERENCE :
ARTODN Archives of Toxicology. (Springer-Verlag, Heidelberger Pl. 3, D-1000 Berlin 33, Fed. Rep. Ger.) V.32- 1974- Volume(issue)/page/year: 35,149,1976

 Safety Information

Hazard Codes Xi
HS Code 2902199090

 Customs

HS Code 2902199090
Summary 2902199090 other cyclanes, cyclenes and cyclotherpenes。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:2.0%。General tariff:30.0%

 Synonyms

ETBICYPHAT
1,1,1-Trimethylolpropane Phosphate
4-Ethyl-2,6,7-trioxa-1-phospha-bicyclo<2,2,2>-octan-1-oxid
4-ethyl-2,6,7-trioxa-1-phosphabicyclo<octane-1-oxide
TMP-P
Trimethyolpropane phosphate
2,6,7-Trioxa-1-phosphabicyclo(2.2.2)octane, 4-ethyl-, 1-oxide (9CI)
<1,1,1-Tris-hydroxymethyl-propan>-phosphorsaeureester
Ethyl Bicyclic Phosphate
Trimethylopropane phosphate
4-Ethyl-2,6,7-trioxa-1-phosphabicyclo[2.2.2]octane 1-oxide
2,6,7-Trioxa-1-phosphabicyclo[2.2.2]octane, 4-ethyl-, 1-oxide
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Chemsrc provides CAS#:1005-93-2 MSDS, density, melting point, boiling point, structure, etc. Its name is 4-Ethyl-2,6,7-trioxa-1-phosphabicyclo[2.2.2]octane 1-oxide>> amp version: 4-Ethyl-2,6,7-trioxa-1-phosphabicyclo[2.2.2]octane 1-oxide

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