2,3-Dihydro-5H-1,4-benzodioxepin-5-one

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Names

[ CAS No. ]:
22891-52-7

[ Name ]:
2,3-Dihydro-5H-1,4-benzodioxepin-5-one

[Synonym ]:
5H-1,4-Benzodioxepin-5-one,2,3-dihydro
2,3-Dihydro-5H-1,4-benzodioxepin-5-one
2,3-Dihydro-5H-1,4-Benzodioxipin-5-One
MFCD00236035
2,3-DIBROMOOCTAFLUOROBUTANE

Chemical & Physical Properties

[ Density]:
1.238g/cm3

[ Boiling Point ]:
178-184ºC 15mm

[ Melting Point ]:
29-31ºC

[ Molecular Formula ]:
C9H8O3

[ Molecular Weight ]:
164.15800

[ Exact Mass ]:
164.04700

[ PSA ]:
35.53000

[ LogP ]:
1.23580

[ Vapour Pressure ]:
9.46E-05mmHg at 25°C

[ Index of Refraction ]:
1.558

Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
DF4725800
CHEMICAL NAME :
5H-1,4-Benzodioxepin-5-one, 2,3-dihydro-
CAS REGISTRY NUMBER :
22891-52-7
BEILSTEIN REFERENCE NO. :
0004464
LAST UPDATED :
199612
DATA ITEMS CITED :
1
MOLECULAR FORMULA :
C9-H8-O3
MOLECULAR WEIGHT :
164.17

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 :
>5 gm/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
EJMCA5 European Journal of Medicinal Chemistry--Chimie Therapeutique. (Editions Scientifiques Elsevier, 29 rue Buffon, F-75005, Paris, France) V.9- 1974- Volume(issue)/page/year: 10,607,1975

Safety Information

[ Safety Phrases ]:
S24/25

[ HS Code ]:
2932999099

Synthetic Route

Click to get detail synthetic route

Precursor & DownStream

Precursor

  • 2-(2-hydroxyethoxy)benzaldehyde

DownStream

Preparation


Customs

[ HS Code ]: 2932999099

[ Summary ]:
2932999099. other heterocyclic compounds with oxygen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

Related Compounds

  • 5-(dimethylsulfamoyl)-N-(pyridin-4-yl)furan-2-carboxamide
  • Methyl 3-(butylsulfamoyl)benzoate
  • Rel-(4AR,7AS)-4-butyl-1-(4-ethylphenyl)hexahydrothieno[3,4-B]pyrazin-2(1H)-one 6,6-dioxide
  • Acetamide, 2-[[4-amino-5-(1,1-dimethylethyl)-4H-1,2,4-triazol-3-yl]thio]-N-[4-(2-phenyldiazenyl)phenyl]-
  • Rel-(4AR,7AS)-4-[2-(2,5-dimethoxyphenyl)ethyl]-1-(4-ethylphenyl)hexahydrothieno[3,4-B]pyrazin-2(1H)-one 6,6-dioxide
  • 2-Methyl-1-(4-phenylpiperazin-1-yl)propan-2-ol
  • N-(2,3-dihydrobenzo[b][1,4]dioxin-6-yl)-2-(2-((4-(trifluoromethoxy)phenyl)amino)thiazol-4-yl)acetamide
  • 5-chloro-2-(methylsulfanyl)-N-(2-{[2-nitro-4-(trifluoromethyl)phenyl]amino}ethyl)pyrimidine-4-carboxamide
  • 4-[5-chloro-2-(methylsulfanyl)pyrimidine-4-carbonyl]-N,N-diethylpiperazine-1-carboxamide
  • 4-(5-Bromo-2-hydroxybenzoyl)-N,N-diethyl-1-piperazinecarboxamide
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