Trazodone

Modify Date: 2025-08-20 11:09:09

Trazodone structure	Common Name	Trazodone
	CAS Number	19794-93-5	Molecular Weight	371.86
	Density	1.3±0.1 g/cm3	Boiling Point	528.5±60.0 °C at 760 mmHg
	Molecular Formula	C₁₉H₂₂ClN₅O	Melting Point	86-87ºC
	MSDS	N/A	Flash Point	273.4±32.9 °C

Use of Trazodone

Trazodone (AF-1161 free base) is a serotonin receptor antagonist and reuptake inhibitor. Trazodone can be used for the research of major depressive disorder. Trazodone also has potential for sleep disorder research[1].

Name	trazodone
Synonym	More Synonyms

Description	Trazodone (AF-1161 free base) is a serotonin receptor antagonist and reuptake inhibitor. Trazodone can be used for the research of major depressive disorder. Trazodone also has potential for sleep disorder research[1].
Related Catalog	Research Areas >> Neurological Disease Signaling Pathways >> GPCR/G Protein >> 5-HT Receptor Signaling Pathways >> Neuronal Signaling >> 5-HT Receptor
References	[1]. Fagiolini A, et, al. Rediscovering trazodone for the treatment of major depressive disorder. CNS Drugs. 2012 Dec;26(12):1033-49.

Density	1.3±0.1 g/cm3
Boiling Point	528.5±60.0 °C at 760 mmHg
Melting Point	86-87ºC
Molecular Formula	C₁₉H₂₂ClN₅O
Molecular Weight	371.86
Flash Point	273.4±32.9 °C
Exact Mass	371.151276
PSA	45.78000
LogP	1.66
Vapour Pressure	0.0±1.4 mmHg at 25°C
Index of Refraction	1.671

CHEMICAL IDENTIFICATION

RTECS NUMBER :: XZ5650000

CHEMICAL NAME :: s-Triazolo(4,3-a)pyridin-3(2H)-one, 2-(3-(4-(m-chlorophenyl)-1-piperazinyl)propyl)-

CAS REGISTRY NUMBER :: 19794-93-5

LAST UPDATED :: 199706

DATA ITEMS CITED :: 12

MOLECULAR FORMULA :: C19-H22-Cl-N5-O

MOLECULAR WEIGHT :: 371.91

WISWESSER LINE NOTATION :: T56 ANVNNJ C3- AT6N DNTJ DR CG

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Human - woman

DOSE/DURATION :: 14 mg/kg

TOXIC EFFECTS :: Liver - jaundice, cholestatic

REFERENCE :: AIMEAS Annals of Internal Medicine. (American College of Physicians, 4200 Pine St., Philadelphia, PA 19104) V.1- 1927- Volume(issue)/page/year: 99,572,1983

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

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 690 mg/kg

TOXIC EFFECTS :: Behavioral - somnolence (general depressed activity) Behavioral - convulsions or effect on seizure threshold Lungs, Thorax, or Respiration - dyspnea

REFERENCE :: DRUGAY Drugs. International Journal of Current Therapeutics and Applied Pharmacology Reviews. (ADIS Press International Inc., Suite B-30, Oxford Ct. Business Center, 582 Middletown Blvd., Langhorne, PA 19047) V.1- 1971- Volume(issue)/page/year: 21,401,1981

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

ROUTE OF EXPOSURE :: Intraperitoneal

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 178 mg/kg

TOXIC EFFECTS :: Behavioral - somnolence (general depressed activity) Behavioral - convulsions or effect on seizure threshold Lungs, Thorax, or Respiration - dyspnea

REFERENCE :: DRUGAY Drugs. International Journal of Current Therapeutics and Applied Pharmacology Reviews. (ADIS Press International Inc., Suite B-30, Oxford Ct. Business Center, 582 Middletown Blvd., Langhorne, PA 19047) V.1- 1971- Volume(issue)/page/year: 21,401,1981

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

ROUTE OF EXPOSURE :: Subcutaneous

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: >1 gm/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: DRUGAY Drugs. International Journal of Current Therapeutics and Applied Pharmacology Reviews. (ADIS Press International Inc., Suite B-30, Oxford Ct. Business Center, 582 Middletown Blvd., Langhorne, PA 19047) V.1- 1971- Volume(issue)/page/year: 21,401,1981

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

ROUTE OF EXPOSURE :: Intravenous

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 91 mg/kg

TOXIC EFFECTS :: Behavioral - somnolence (general depressed activity) Behavioral - convulsions or effect on seizure threshold Lungs, Thorax, or Respiration - dyspnea

REFERENCE :: DRUGAY Drugs. International Journal of Current Therapeutics and Applied Pharmacology Reviews. (ADIS Press International Inc., Suite B-30, Oxford Ct. Business Center, 582 Middletown Blvd., Langhorne, PA 19047) V.1- 1971- Volume(issue)/page/year: 21,401,1981

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

ROUTE OF EXPOSURE :: Intramuscular

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: >1 gm/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: DRUGAY Drugs. International Journal of Current Therapeutics and Applied Pharmacology Reviews. (ADIS Press International Inc., Suite B-30, Oxford Ct. Business Center, 582 Middletown Blvd., Langhorne, PA 19047) V.1- 1971- Volume(issue)/page/year: 21,401,1981

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

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 610 mg/kg

TOXIC EFFECTS :: Behavioral - somnolence (general depressed activity) Behavioral - convulsions or effect on seizure threshold Lungs, Thorax, or Respiration - dyspnea

REFERENCE :: DRUGAY Drugs. International Journal of Current Therapeutics and Applied Pharmacology Reviews. (ADIS Press International Inc., Suite B-30, Oxford Ct. Business Center, 582 Middletown Blvd., Langhorne, PA 19047) V.1- 1971- Volume(issue)/page/year: 21,401,1981

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

ROUTE OF EXPOSURE :: Intraperitoneal

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 210 mg/kg

TOXIC EFFECTS :: Behavioral - somnolence (general depressed activity) Behavioral - convulsions or effect on seizure threshold Lungs, Thorax, or Respiration - dyspnea

REFERENCE :: DRUGAY Drugs. International Journal of Current Therapeutics and Applied Pharmacology Reviews. (ADIS Press International Inc., Suite B-30, Oxford Ct. Business Center, 582 Middletown Blvd., Langhorne, PA 19047) V.1- 1971- Volume(issue)/page/year: 21,401,1981

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

ROUTE OF EXPOSURE :: Subcutaneous

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: >1 gm/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: DRUGAY Drugs. International Journal of Current Therapeutics and Applied Pharmacology Reviews. (ADIS Press International Inc., Suite B-30, Oxford Ct. Business Center, 582 Middletown Blvd., Langhorne, PA 19047) V.1- 1971- Volume(issue)/page/year: 21,401,1981

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

ROUTE OF EXPOSURE :: Intravenous

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 91 mg/kg

TOXIC EFFECTS :: Behavioral - somnolence (general depressed activity) Behavioral - convulsions or effect on seizure threshold Lungs, Thorax, or Respiration - dyspnea

REFERENCE :: DRUGAY Drugs. International Journal of Current Therapeutics and Applied Pharmacology Reviews. (ADIS Press International Inc., Suite B-30, Oxford Ct. Business Center, 582 Middletown Blvd., Langhorne, PA 19047) V.1- 1971- Volume(issue)/page/year: 21,401,1981

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

ROUTE OF EXPOSURE :: Intramuscular

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 475 mg/kg

TOXIC EFFECTS :: Behavioral - somnolence (general depressed activity) Behavioral - convulsions or effect on seizure threshold Lungs, Thorax, or Respiration - dyspnea

REFERENCE :: DRUGAY Drugs. International Journal of Current Therapeutics and Applied Pharmacology Reviews. (ADIS Press International Inc., Suite B-30, Oxford Ct. Business Center, 582 Middletown Blvd., Langhorne, PA 19047) V.1- 1971- Volume(issue)/page/year: 21,401,1981 ** REPRODUCTIVE DATA **

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Oral

DOSE :: 11 gm/kg

SEX/DURATION :: female 14 day(s) pre-mating female 1-22 day(s) after conception

TOXIC EFFECTS :: Reproductive - Effects on Newborn - growth statistics (e.g.%, reduced weight gain)

REFERENCE :: APTOD9 Abstracts of Papers, Society of Toxicology. Annual Meetings. (Academic Press, Inc., 1 E. First St., Duluth, MN 55802) Volume(issue)/page/year: 19,A90,1980

RIDADR	UN 3249
Packaging Group	III
Hazard Class	6.1(b)
HS Code	2933990090

N/A

CAS#:53689-32-0

~10%

Trazodone

CAS#:19794-93-5

Literature: AUSPEX PHARMACEUTICALS, INC. Patent: US2009/209550 A1, 2009 ; Location in patent: Page/Page column 27 ;

1-(3-Bromopropy...

CAS#:142944-48-7

[1,2,4]Triazolo...

CAS#:6969-71-7

~64%

Trazodone

CAS#:19794-93-5

Literature: Yong, Fui-Fong; Teo, Yong-Chua; Tan, Khee-Ngiap Tetrahedron Letters, 2013 , vol. 54, # 39 p. 5332 - 5334

1-Chloro-3-iodo...

CAS#:625-99-0

Trazodone

CAS#:19794-93-5

Literature: Tetrahedron Letters, , vol. 54, # 39 p. 5332 - 5334

tert-butyl 4-(3...

CAS#:186790-11-4

Trazodone

CAS#:19794-93-5

Literature: Tetrahedron Letters, , vol. 54, # 39 p. 5332 - 5334

Precursor 3
CAS#:6969-71-7 [1,2,4]Triazolo... CAS#:625-99-0 1-Chloro-3-iodo... CAS#:186790-11-4 tert-butyl 4-(3...
DownStream 1
CAS#:25332-39-2 trazodone hydro...

HS Code	2933990090
Summary	2933990090. heterocyclic compounds with nitrogen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

2-{3-[4-(3-chloro-phenyl)-piperazin-1-yl]-propyl}-2H-[1,2,4]triazolo[4,3-a]pyridin-3-one

Trazonil

Trittico

Desirel

2-[3-[4-(3-chlorophenyl)piperazin-1-yl]propyl]-[1,2,4]triazolo[4,3-a]pyridin-3-one

Trazodona

MFCD00242886

2-{3-[4-(3-Chlorophenyl)-1-piperazinyl]propyl}[1,2,4]triazolo[4,3-a]pyridin-3(2H)-one

Beneficat

Trazodone

1,2,4-Triazolo(4,3-a)pyridin-3(2H)-one, 2-(3-(4-(3-chlorophenyl)-1-piperazinyl)propyl)-

2-{3-[4-(3-Chlorophenyl)piperazin-1-yl]propyl}[1,2,4]triazolo[4,3-a]pyridin-3(2H)-one

EINECS 243-317-1

2-(3-(4-(3-chlorophenyl)piperazin-1-yl)propyl)-[1,2,4]triazolo[4,3-a]pyridin-3(2H)-one

1,2,4-Triazolo[4,3-a]pyridin-3(2H)-one, 2-[3-[4-(3-chlorophenyl)-1-piperazinyl]propyl]-

Molipaxin

Trazodon

Trazodil

2-[3-[4-(3-chlorophenyl)-1-piperazinyl]propyl]-1,2,4-triazolo[4,3-a]pyridin-3(2H)-one

Trazalon

The content on this webpage is sourced from various professional data sources. If you have any questions or concerns regarding the content, please feel free to contact service1@chemsrc.com.

Shanghai Nianxing Industrial Co., Ltd
China
Product Name: Trazodone
Price: Check
Purity: 99.0%
Delivery: 10 Day
Contact: Yang
Email: sales@echemcloud.com

DC Chemicals Limited
China
Product Name: Trazodone hydrochloride
Price: $Inquiry/100mg $Inquiry/250mg $Inquiry/500mg
Purity: 98.0%
Delivery: 3 Day
Contact: Tony Cao
Email: sales@dcchemicals.com

Henan Tianfu Chemical Co., Ltd.
China
Product Name: Trazodone tablet 50mg
Price: $Inquiry/1kg $Inquiry/25kg $Inquiry/1000kg $Inquiry/10ton
Purity: 99.0%
Delivery: Inquiry
Contact: Anson
Email: info@tianfuchem.com

Get all suppliers and price by the below link:

Trazodone suppliers

Trazodone price

Trazodone

Use of Trazodone

Names

Trazodone Biological Activity

Chemical & Physical Properties

Toxicological Information

CHEMICAL IDENTIFICATION

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

Safety Information

Synthetic Route

Precursor & DownStream

Customs

Synonyms

The content on this webpage is sourced from various professional data sources. If you have any questions or concerns regarding the content, please feel free to contact service1@chemsrc.com.