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Product Name: 2,6,7-Trioxa-1-phosphabicyclo[2.2.2]octane,4-ethyl-, 1-oxide
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1005-93-2

1005-93-2 structure

Name: 4-Ethyl-2,6,7-trioxa-1-phosphabicyclo[2.2.2]octane 1-oxide
Chemical Name: 4-ethyl-2,6,7-trioxa-1λ5-phosphabicyclo[2.2.2]octane 1-oxide
CAS Number: 1005-93-2
Molecular Formula: C₆H₁₁O₄P
Molecular Weight: 178.123
Catalog: Signaling Pathways Membrane Transporter/Ion Channel GABA Receptor
Create Date: 2016-03-28 23:14:13
Modify Date: 2025-08-20 21:33:47
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].

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

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	Signaling Pathways >> Membrane Transporter/Ion Channel >> GABA Receptor Research Areas >> Neurological Disease Signaling Pathways >> Neuronal Signaling >> GABA Receptor
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.

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

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

Hazard Codes	Xi
HS Code	2902199090

824-11-3

1005-93-2

Literature: Journal of the American Chemical Society, , vol. 84, p. 610 - 617

77-99-6

1005-93-2

Literature: Journal of the American Chemical Society, , vol. 84, p. 610 - 617

3883-97-4

1005-93-2

Literature: Journal of Organic Chemistry, , vol. 29, p. 3711 - 3712

10025-99-7

824-11-3

63372-08-7

1005-93-2

Literature: Inorganic Chemistry, , vol. 23, p. 373 - 377

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%

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