Preparation
ChemicalBook > CAS DataBase List > 7-bromoindolin-2-one

7-bromoindolin-2-one

Preparation
Product Name
7-bromoindolin-2-one
CAS No.
320734-35-8
Chemical Name
7-bromoindolin-2-one
Synonyms
7-bromoindolin-2-one;7-BROMOOXINDOLE;7-CHLOROOXINDOLE;7-Bromo-2-oxindole;7-Bromo-2-indolinone;7-chloro-1H-indol-2-ol;7-BroMo-1,3-dihydro-indol-2-one;7-Chloro-1,3-dihydro-indol-2-one;7-bromo-2,3-dihydro-1H-indol-2-one;7-Bromo-1,3-dihydro-2H-indol-2-one
CBNumber
CB6106366
Molecular Formula
C8H6BrNO
Formula Weight
212.04
MOL File
320734-35-8.mol
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7-bromoindolin-2-one Property

Melting point:
194-200°C
Boiling point:
358.8±42.0 °C(Predicted)
Density 
1.666±0.06 g/cm3(Predicted)
storage temp. 
Sealed in dry,Room Temperature
form 
powder to crystal
pka
13.22±0.20(Predicted)
color 
White to Light yellow to Light orange
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Safety

Hazard Codes 
Xi
Risk Statements 
36/37/38
Safety Statements 
26-36/37/39
Hazard Note 
Irritant
HS Code 
2933790090
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Warning
Hazard statements

H315Causes skin irritation

H319Causes serious eye irritation

H335May cause respiratory irritation

Precautionary statements

P302+P352IF ON SKIN: wash with plenty of soap and water.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

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N-Bromosuccinimide Price

TCI Chemical
Product number
B5097
Product name
7-Bromooxindole
Purity
>98.0%(GC)
Packaging
200mg
Price
$62
Updated
2024/03/01
TCI Chemical
Product number
B5097
Product name
7-Bromooxindole
Purity
>98.0%(GC)
Packaging
1g
Price
$185
Updated
2024/03/01
TRC
Product number
B687993
Product name
7-Bromooxindole
Packaging
250mg
Price
$45
Updated
2021/12/16
ChemScene
Product number
CS-W000051
Product name
7-Bromooxindole
Purity
≥97.0%
Packaging
1g
Price
$31
Updated
2021/12/16
American Custom Chemicals Corporation
Product number
HCH0025347
Product name
7-BROMOOXINDOLE
Purity
95.00%
Packaging
1G
Price
$186.9
Updated
2021/12/16
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7-bromoindolin-2-one Chemical Properties,Usage,Production

Preparation

STEP A: Preparation of 7-chloro-3-hydrazono-oxindole. A solution of 25.0 g of 7-chloro-isatin in 250 ml of ethanol is refluxed for 24 hours, cooled, and precipitate recovered by filtering and washed once with ethanol and twice with pentane to obtain 7-chloro-3-hydrazono oxindole, m.p. 217-219℃. (decomp.).  STEP B: Preparation of 7-chloro-oxindole. To a solution of sodium ethoxide prepared by heating 5.5 g of sodium in 200 ml. of ethanol at 70°℃. is added 17 g of 7-chloro-3-hydrazono-oxindole over a period of 3.5 hours, and the resulting solution is heated at 70℃. for 24 hours. The solvent is evaporated in vacuo, the residue dissolved in water, acidified with 6 N-hydro chloric acid and the resulting precipitate recovered by filtering, washed three times with water, dried by suc tion and crystallized from methylene chloride/ether to obtain 7-chlorooxindole, 28-220℃.

7-bromoindolin-2-one Preparation Products And Raw materials

Raw materials

Preparation Products

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View Lastest Price from 7-bromoindolin-2-one manufacturers

Henan Fengda Chemical Co., Ltd
Product
7-bromoindolin-2-one 320734-35-8
Price
US $36.00-1.50/kg
Min. Order
1kg
Purity
99%
Supply Ability
g-kg-tons, free sample is available
Release date
2024-04-09
Zhuozhou Wenxi import and Export Co., Ltd
Product
7-bromoindolin-2-one 320734-35-8
Price
US $15.00-10.00/KG
Min. Order
1KG
Purity
99%+ HPLC
Supply Ability
Monthly supply of 1 ton
Release date
2021-07-10
Zhuozhou Wenxi import and Export Co., Ltd
Product
7-bromoindolin-2-one 320734-35-8
Price
US $15.00-10.00/KG
Min. Order
1KG
Purity
99%+ HPLC
Supply Ability
Monthly supply of 1 ton
Release date
2021-07-09

320734-35-8, 7-bromoindolin-2-oneRelated Search:


  • 7-BROMOOXINDOLE
  • 7-chloro-1H-indol-2-ol
  • 7-bromo-2,3-dihydro-1H-indol-2-one
  • 7-bromoindolin-2-one
  • 7-Bromo-2-oxindole
  • 7-BroMo-2-oxindole/7-BroMo-1,3-dihydro-2H-indol-2-one
  • 7-Bromo-1,3-dihydro-2H-indol-2-one
  • 7-chloro-2,3-dihydro-1H-indol-2-one
  • 7-BroMo-1,3-dihydro-indol-2-one
  • 7-Chloro-1,3-dihydro-indol-2-one
  • 7-CHLOROOXINDOLE
  • 2H-Indol-2-one, 7-bromo-1,3-dihydro-
  • 7-Bromo-2-indolinone
  • 320734-35-8
  • blocks
  • Bromides
  • IndolesOxindoles
  • Indoline & Oxindole