2-Benzoxazolinone

Modify Date: 2025-08-21 18:01:46

2-Benzoxazolinone structure	Common Name	2-Benzoxazolinone
	CAS Number	59-49-4	Molecular Weight	135.120
	Density	1.3±0.1 g/cm3	Boiling Point	299ºC at 760 mmHg
	Molecular Formula	C₇H₅NO₂	Melting Point	137-139 °C(lit.)
	MSDS	N/A	Flash Point	160 °C

Use of 2-Benzoxazolinone

2-Benzoxazolinone is an anti-leishmanial agent with an LC50 of 40 μg/mL against L. donovani[1]. A building block in chemical synthesis. 1,3-Benzoxazol-2(3H)-one derivatives have antimicrobial activity against a selection of Gram-positive, Gram-negative bacteria and yeasts[3]. Derivatives as anti-quorum sensing agent[4].

Name	2-Benzoxazolinone
Synonym	More Synonyms

Description	2-Benzoxazolinone is an anti-leishmanial agent with an LC50 of 40 μg/mL against L. donovani[1]. A building block in chemical synthesis. 1,3-Benzoxazol-2(3H)-one derivatives have antimicrobial activity against a selection of Gram-positive, Gram-negative bacteria and yeasts[3]. Derivatives as anti-quorum sensing agent[4].
Related Catalog	Signaling Pathways >> Anti-infection >> Parasite Natural Products >> Alkaloid Research Areas >> Infection
Target	LC50: 40 μg/mL (L. donovani)[1]
In Vitro	2-Benzoxazolinone (0.1-5 mM) induces oxidative stress in mung bean through generation of ROS and upregulation of activities of various scavenging enzymes[2].
References	[1]. Kapil A, et al. Leishmanicidal activity of 2-benzoxazolinone from Acanthus illicifolius in vitro. Planta Med. 1994 Apr;60(2):187-8. [2]. Batish DR, et al. 2-Benzoxazolinone (BOA) induced oxidative stress, lipid peroxidation and changes in some antioxidant enzyme activities in mung bean (Phaseolus aureus). Plant Physiology and Biochemistry 44(11-12):819-27 [3]. Krawiecka M, et al. Synthesis and biological activity of novel series of 1,3-benzoxazol-2(3H)-one derivatives. Acta Pol Pharm. 2013 Mar-Apr;70(2):245-53. [4]. Miandji AM, et al. Synthesis and biological activities of some 1,3-benzoxazol-2(3H)-one derivatives as anti-quorum sensing agents. Arzneimittelforschung. 2012 Jul;62(7):330-4.

Density	1.3±0.1 g/cm3
Boiling Point	299ºC at 760 mmHg
Melting Point	137-139 °C(lit.)
Molecular Formula	C₇H₅NO₂
Molecular Weight	135.120
Flash Point	160 °C
Exact Mass	135.032028
PSA	46.00000
LogP	1.16
Index of Refraction	1.586
Water Solubility	soluble in hot water

2-Benzoxazolinone MSDS(Chinese)

CHEMICAL IDENTIFICATION

RTECS NUMBER :: DM4905000

CHEMICAL NAME :: 2-Benzoxazolinone

CAS REGISTRY NUMBER :: 59-49-4

LAST UPDATED :: 199701

DATA ITEMS CITED :: 6

MOLECULAR FORMULA :: C7-H5-N-O2

MOLECULAR WEIGHT :: 135.13

WISWESSER LINE NOTATION :: T56 BMVOJ

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 :: 700 mg/kg

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

REFERENCE :: MDCHAG Medicinal Chemistry: A Series of Monographs. (Academic Press, Inc., 1 E. First St., Duluth, MN 55802) V.1- 1963- Volume(issue)/page/year: 4(1),341,1964

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

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 554 mg/kg

TOXIC EFFECTS :: Behavioral - somnolence (general depressed activity) Behavioral - excitement

REFERENCE :: GTPZAB Gigiena Truda i Professional'nye Zabolevaniya. Labor Hygiene and Occupational Diseases. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.1-36, 1957-1992. For publisher information, see MTPEEI Volume(issue)/page/year: 31(8),36,1987

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

ROUTE OF EXPOSURE :: Intraperitoneal

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 400 mg/kg

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

REFERENCE :: NTIS** National Technical Information Service. (Springfield, VA 22161) Formerly U.S. Clearinghouse for Scientific & Technical Information. Volume(issue)/page/year: AD277-689

TYPE OF TEST :: LC50 - Lethal concentration, 50 percent kill

ROUTE OF EXPOSURE :: Inhalation

SPECIES OBSERVED :: Mammal - species unspecified

DOSE/DURATION :: 3892 mg/m3

TOXIC EFFECTS :: Behavioral - somnolence (general depressed activity) Behavioral - excitement

REFERENCE :: GTPZAB Gigiena Truda i Professional'nye Zabolevaniya. Labor Hygiene and Occupational Diseases. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.1-36, 1957-1992. For publisher information, see MTPEEI Volume(issue)/page/year: 31(8),36,1987 *** OCCUPATIONAL EXPOSURE LIMITS *** OEL-RUSSIA:STEL 1 mg/m3 JAN 1993

Hazard Codes	Xn:Harmful
Risk Phrases	R22
Safety Phrases	S36-S24/25
WGK Germany	3
RTECS	DM4905000
HS Code	2934999090

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