doxylamine

Names

[ CAS No. ]:
469-21-6

[ Name ]:
doxylamine

[Synonym ]:
Dossilamina
N,N-Dimethyl-2-[(1R)-1-phenyl-1-(2-pyridinyl)ethoxy]ethanamine
Doxylaminum
doxilamina
Ethanamine, N,N-dimethyl-2-[(1R)-1-phenyl-1-(2-pyridinyl)ethoxy]-
N,N-dimethyl-2-(1-phenyl-1-pyridin-2-ylethoxy)ethanamine
Doxilminio

Biological Activity

[Description]:

Doxylamine, a first generation antihistamine, is a histamine (H1) receptor antagonist. Doxylamine is also a local analgesic agent and effective hypnotic agent[1][2][3].

[Related Catalog]:

Signaling Pathways >> Immunology/Inflammation >> Histamine Receptor

Research Areas >> Inflammation/Immunology

Signaling Pathways >> GPCR/G Protein >> Histamine Receptor

[Target]

H1 Receptor

[References]

[1]. Sjöqvist F, Lasagna L. The hypnotic efficacy of doxylamine. Clin Pharmacol Ther. 1967;8(1):48-54.

[2]. Hung CH, et al. Subcutaneous infiltration of doxylamine on cutaneous analgesia in rats. Pharmacol Rep. 2018;70(3):565-569.

[3]. Jackson CD, Blackwell BN. Subchronic studies of doxylamine in B6C3F1 mice. Fundam Appl Toxicol. 1988;10(2):254-261.

Chemical & Physical Properties

[ Density]:
1.043 g/cm3

[ Boiling Point ]:
364.9ºC at 760 mmHg

[ Melting Point ]:
25°C

[ Molecular Formula ]:
C₁₇H₂₂N₂O

[ Molecular Weight ]:
270.37

[ Flash Point ]:
174.5ºC

[ Exact Mass ]:
270.17300

[ PSA ]:
25.36000

[ LogP ]:
2.92330

[ Index of Refraction ]:
1.5486 (estimate)

[ Storage condition ]:
-20°C

Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :: US9250000

CHEMICAL NAME :: Pyridine, 2-(alpha-(2-(dimethylamino)ethoxy)-alpha-methylbenzyl )-

CAS REGISTRY NUMBER :: 469-21-6

BEILSTEIN REFERENCE NO. :: 0230379

LAST UPDATED :: 199612

DATA ITEMS CITED :: 6

MOLECULAR FORMULA :: C17-H22-N2-O

MOLECULAR WEIGHT :: 270.41

WISWESSER LINE NOTATION :: T6NJ BX1&R&O2N1&1

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Subcutaneous

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 440 mg/kg

TOXIC EFFECTS :: Behavioral - convulsions or effect on seizure threshold

REFERENCE :: DPIRDU Dangerous Properties of Industrial Materials Report. (Van Nostrand Reinhold, 115 Fifth Ave., New York, NY 10003) V.1- 1981- Volume(issue)/page/year: 2(5),17,1982

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 470 mg/kg

TOXIC EFFECTS :: Behavioral - convulsions or effect on seizure threshold

REFERENCE :: DPIRDU Dangerous Properties of Industrial Materials Report. (Van Nostrand Reinhold, 115 Fifth Ave., New York, NY 10003) V.1- 1981- Volume(issue)/page/year: 2(5),17,1982

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Subcutaneous

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 460 mg/kg

TOXIC EFFECTS :: Behavioral - convulsions or effect on seizure threshold

REFERENCE :: DPIRDU Dangerous Properties of Industrial Materials Report. (Van Nostrand Reinhold, 115 Fifth Ave., New York, NY 10003) V.1- 1981- Volume(issue)/page/year: 2(5),17,1982

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Intravenous

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 62 mg/kg

TOXIC EFFECTS :: Behavioral - convulsions or effect on seizure threshold

REFERENCE :: DPIRDU Dangerous Properties of Industrial Materials Report. (Van Nostrand Reinhold, 115 Fifth Ave., New York, NY 10003) V.1- 1981- Volume(issue)/page/year: 2(5),17,1982

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rabbit

DOSE/DURATION :: 250 mg/kg

TOXIC EFFECTS :: Behavioral - convulsions or effect on seizure threshold Behavioral - rigidity (including catalepsy)

REFERENCE :: DPIRDU Dangerous Properties of Industrial Materials Report. (Van Nostrand Reinhold, 115 Fifth Ave., New York, NY 10003) V.1- 1981- Volume(issue)/page/year: 2(5),17,1982

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Intravenous

SPECIES OBSERVED :: Rodent - rabbit

DOSE/DURATION :: 49 mg/kg

TOXIC EFFECTS :: Behavioral - convulsions or effect on seizure threshold Behavioral - rigidity (including catalepsy)

REFERENCE :: DPIRDU Dangerous Properties of Industrial Materials Report. (Van Nostrand Reinhold, 115 Fifth Ave., New York, NY 10003) V.1- 1981- Volume(issue)/page/year: 2(5),17,1982