3-Methyl-2-benzoxazolinone

Modify Date: 2025-08-26 16:50:06

3-Methyl-2-benzoxazolinone structure	Common Name	3-Methyl-2-benzoxazolinone
	CAS Number	21892-80-8	Molecular Weight	149.14700
	Density	1.273 g/cm3	Boiling Point	238.1ºC at 760 mmHg
	Molecular Formula	C₈H₇NO₂	Melting Point	82-86 °C
	MSDS	N/A	Flash Point	97.8ºC

Name	3-methyl-1,3-benzoxazol-2-one
Synonym	More Synonyms

Density	1.273 g/cm3
Boiling Point	238.1ºC at 760 mmHg
Melting Point	82-86 °C
Molecular Formula	C₈H₇NO₂
Molecular Weight	149.14700
Flash Point	97.8ºC
Exact Mass	149.04800
PSA	35.14000
LogP	1.13150
Vapour Pressure	0.0433mmHg at 25°C
Index of Refraction	1.584
InChIKey	QRMRRLXXFHXMBC-UHFFFAOYSA-N
SMILES	Cn1c(=O)oc2ccccc21

3-Methyl-2-benzoxazolinone MSDS(Chinese)

CHEMICAL IDENTIFICATION

RTECS NUMBER :: DM5275450

CHEMICAL NAME :: 2-Benzoxazolinone, 3-methyl-

CAS REGISTRY NUMBER :: 21892-80-8

BEILSTEIN REFERENCE NO. :: 0131018

LAST UPDATED :: 199612

DATA ITEMS CITED :: 1

MOLECULAR FORMULA :: C8-H7-N-O2

MOLECULAR WEIGHT :: 149.16

WISWESSER LINE NOTATION :: T56 BOVNJ D1

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

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

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 890 mg/kg

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

REFERENCE :: AIPTAK Archives Internationales de Pharmacodynamie et de Therapie. (Heymans Institute of Pharmacology, De Pintelaan 185, B-9000 Ghent, Belgium) V.4- 1898- Volume(issue)/page/year: 94,211,1953

Hazard Codes	Xn: Harmful;
Risk Phrases	R22
Safety Phrases	S24/25
RTECS	DM5275450
HS Code	2934999090

Precursor 10
CAS#:59-49-4 2-Benzoxazolinone CAS#:74-88-4 methyl iodide CAS#:77-78-1 Dimethyl sulfate CAS#:95-55-6 aminophenol
CAS#:616-38-6 Dimethyl Carbonate CAS#:74-87-3 Chloromethane CAS#:139487-06-2 6-iodo-3-methyl... CAS#:50-00-0 Formaldehyde
CAS#:25361-64-2 (2-oxobenzoxazo... CAS#:41064-77-1 (2-hydroxy-phen...
DownStream 10
CAS#:27225-84-9 2-Chloro-10-met... CAS#:99584-10-8 6-Amino-3-methy... CAS#:611-24-5 2-methylaminophenol CAS#:67927-44-0 6-Bromo-3-methy...
CAS#:62522-63-8 3-METHYL-2-OXO-... CAS#:13673-63-7 3-Methylbenzo[d... CAS#:135420-39-2 7-[2-(ethylsulf... CAS#:116337-71-4 7-acetyl-4-meth...
CAS#:116337-73-6 7-butanoyl-4-me... CAS#:123172-61-2 7-[(E)-3-(4-chl...

HS Code	2934999090
Summary	2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

EINECS 250-319-6

2-BENZOXAZOLINONE,3-METHYL

3-Methyl-2-benzoxazolinone

MFCD00748831

N-Methylbenzoxazolone

3-methyl-2,3-dihydrobenzoxazol-2-one

3-methyl-2-oxo-3H-benzoxazole

3-Methylbenzoxazolone

3-methylbenzo[d]oxazol-2(3H)-one

3-Methyl-2(3H)-benzoxazolone

3-methyl-1,3-benzoxazol-2(3H)-one

3-Methylbenzoxazolinone

3-methyl-3H-benzoxazol-2-one

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Shanghai Nianxing Industrial Co., Ltd
China
Product Name: 3-Methyl-2-benzoxazolinone
Price: Check
Purity: 97.5%
Delivery: 10 Day
Contact: Yang
Email: sales@echemcloud.com

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: 3-Methyl-2-benzoxazolinone
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Delivery: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

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