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21958-17-8

21958-17-8 structure

21958-17-8 structure

Name: 3,4-dibromo-2-(4-butoxyphenyl)-2H-furan-5-one
Chemical Name: 3,4-dibromo-2-(4-butoxyphenyl)-2H-furan-5-one
CAS Number: 21958-17-8
Molecular Formula: C₁₄H₁₄Br₂O₃
Molecular Weight: 390.06700
Create Date: 2016-09-07 23:04:13
Modify Date: 2025-08-31 14:27:25

Name	3,4-dibromo-2-(4-butoxyphenyl)-2H-furan-5-one
Synonyms	Frolon 3,4-dibromo-5-(4-butoxyphenyl)furan-2(5h)-one 3,4-Dibromo-5-(4-butoxyphenyl)-2(5H)-furanone 2(5H)-Furanone,3,4-dibromo-5-(4-butoxyphenyl) 3,4-dibromo-5-(4-butoxy-phenyl)-5H-furan-2-one

Density	1.681g/cm3
Boiling Point	469.4ºC at 760mmHg
Molecular Formula	C₁₄H₁₄Br₂O₃
Molecular Weight	390.06700
Flash Point	237.7ºC
Exact Mass	387.93100
PSA	35.53000
LogP	4.46480
Vapour Pressure	5.51E-09mmHg at 25°C
Index of Refraction	1.609

CHEMICAL IDENTIFICATION

RTECS NUMBER :: LU3492250

CHEMICAL NAME :: 2(5H)-Furanone, 3,4-dibromo-5-(4-butoxyphenyl)-

CAS REGISTRY NUMBER :: 21958-17-8

LAST UPDATED :: 199703

DATA ITEMS CITED :: 1

MOLECULAR FORMULA :: C14-H14-Br2-O3

MOLECULAR WEIGHT :: 390.10

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 :: 16 gm/kg

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

REFERENCE :: USXXAM United States Patent Document. (U.S. Patent Office, Box 9, Washington, DC 20231) Volume(issue)/page/year: #3873575

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