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21958-17-8

21958-17-8结构式
21958-17-8结构式

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英文名 3,4-dibromo-2-(4-butoxyphenyl)-2H-furan-5-one
英文别名 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
密度 1.681g/cm3
沸点 469.4ºC at 760mmHg
分子式 C14H14Br2O3
分子量 390.06700
闪点 237.7ºC
精确质量 387.93100
PSA 35.53000
LogP 4.46480
蒸汽压 5.51E-09mmHg at 25°C
折射率 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