Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: 3-Methyl-2-benzoxazolinone
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Purity: 98.0%
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21892-80-8

21892-80-8 structure

21892-80-8 structure

Name: 3-Methyl-2-benzoxazolinone
Chemical Name: 3-methyl-1,3-benzoxazol-2-one
CAS Number: 21892-80-8
Molecular Formula: C₈H₇NO₂
Molecular Weight: 149.14700
Create Date: 2018-07-27 20:14:35
Modify Date: 2024-01-03 12:47:21

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

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

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
59-49-4 74-88-4 77-78-1 95-55-6
616-38-6 74-87-3 139487-06-2 50-00-0
25361-64-2 41064-77-1
DownStream 10
27225-84-9 99584-10-8 611-24-5 67927-44-0
62522-63-8 13673-63-7 135420-39-2 116337-71-4
116337-73-6 123172-61-2

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