1H-Imidazole-5-carboxylicacid, 1-(1-phenylethyl)-, methyl ester, hydrochloride (1:1)

Modify Date: 2025-08-23 16:58:31

1H-Imidazole-5-carboxylicacid, 1-(1-phenylethyl)-, methyl ester, hydrochloride (1:1) structure	Common Name	1H-Imidazole-5-carboxylicacid, 1-(1-phenylethyl)-, methyl ester, hydrochloride (1:1)
	CAS Number	35944-74-2	Molecular Weight	266.72300
	Density	1.13g/cm3	Boiling Point	379.4ºC at 760mmHg
	Molecular Formula	C₁₃H₁₅ClN₂O₂	Melting Point	173-174°C
	MSDS	N/A	Flash Point	183.2ºC

Name	Metomidate hydrochloride

Density	1.13g/cm3
Boiling Point	379.4ºC at 760mmHg
Melting Point	173-174°C
Molecular Formula	C₁₃H₁₅ClN₂O₂
Molecular Weight	266.72300
Flash Point	183.2ºC
Exact Mass	266.08200
PSA	44.12000
LogP	3.08100

CHEMICAL IDENTIFICATION

RTECS NUMBER :: NI4200000

CHEMICAL NAME :: Imidazole-5-carboxylic acid, 1-(alpha-methylbenzyl)-, methyl ester, hydrochloride

CAS REGISTRY NUMBER :: 35944-74-2

LAST UPDATED :: 199009

DATA ITEMS CITED :: 4

MOLECULAR FORMULA :: C13-H14-N2-O2.Cl-H

MOLECULAR WEIGHT :: 266.75

WISWESSER LINE NOTATION :: T5N CNJ AY1&R& EVO1 &GH

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

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

ROUTE OF EXPOSURE :: Intravenous

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 18 mg/kg

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

REFERENCE :: CSLNX* U.S. Army Armament Research & Development Command, Chemical Systems Laboratory, NIOSH Exchange Chemicals. (Aberdeen Proving Ground, MD 21010) Volume(issue)/page/year: NX#09250

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

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Bird - pigeon

DOSE/DURATION :: 42 mg/kg

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

REFERENCE :: TXAPA9 Toxicology and Applied Pharmacology. (Academic Press, Inc., 1 E. First St., Duluth, MN 55802) V.1- 1959- Volume(issue)/page/year: 21,315,1972

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

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Bird - duck

DOSE/DURATION :: 133 mg/kg

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

REFERENCE :: TXAPA9 Toxicology and Applied Pharmacology. (Academic Press, Inc., 1 E. First St., Duluth, MN 55802) V.1- 1959- Volume(issue)/page/year: 21,315,1972

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

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Bird - wild bird species

DOSE/DURATION :: 32 mg/kg

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

REFERENCE :: TXAPA9 Toxicology and Applied Pharmacology. (Academic Press, Inc., 1 E. First St., Duluth, MN 55802) V.1- 1959- Volume(issue)/page/year: 21,315,1972

Hazard Codes	Xi

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