4,7-Dichloroisatin
- Product Name
- 4,7-Dichloroisatin
- CAS No.
- 18711-13-2
- Chemical Name
- 4,7-Dichloroisatin
- Synonyms
- BUTTPARK 50\07-81;4,7-DICHLOROISATIN;4,7-Dichloroisatin>4,7-Dichloroisatin,99%;4,7-DICHLOROISATIN 98%;4,7-Dichloroindole-2,3-dione;4,7-DICHLOROINDOLINE-2,3-DIONE;4,7-Dichloro-2,3-indolinedione;4,7-dichloro-1H-indole-2,3-dione;1H-Indole-2,3-dione, 4,7-dichloro-
- CBNumber
- CB0350512
- Molecular Formula
- C8H3Cl2NO2
- Formula Weight
- 216.02
- MOL File
- 18711-13-2.mol
4,7-Dichloroisatin Property
- Melting point:
- 250-252 °C(lit.)
- Density
- 1.643±0.06 g/cm3 (20 ºC 760 Torr)
- storage temp.
- Inert atmosphere,Room Temperature
- solubility
- soluble in Methanol
- form
- powder to crystal
- pka
- 8.38±0.20(Predicted)
- color
- Light yellow to Brown
- BRN
- 168731
- InChI
- InChI=1S/C8H3Cl2NO2/c9-3-1-2-4(10)6-5(3)7(12)8(13)11-6/h1-2H,(H,11,12,13)
- InChIKey
- NUXYYWOWNFEMNH-UHFFFAOYSA-N
- SMILES
- N1C2=C(C(Cl)=CC=C2Cl)C(=O)C1=O
- CAS DataBase Reference
- 18711-13-2(CAS DataBase Reference)
Hazard and Precautionary Statements (GHS)
- Symbol(GHS)
-
- Signal word
- Warning
- Hazard statements
-
H302Harmful if swallowed
H319Causes serious eye irritation
- Precautionary statements
-
P264Wash hands thoroughly after handling.
P264Wash skin thouroughly after handling.
P270Do not eat, drink or smoke when using this product.
P280Wear protective gloves/protective clothing/eye protection/face protection.
P301+P312IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell.
P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.
P337+P313IF eye irritation persists: Get medical advice/attention.
N-Bromosuccinimide Price
- Product number
- 597813
- Product name
- 4,7-Dichloroisatin
- Purity
- 97%
- Packaging
- 1g
- Price
- $111
- Updated
- 2023/06/20
- Product number
- D4039
- Product name
- 4,7-Dichloroisatin
- Purity
- >97.0%(T)
- Packaging
- 1g
- Price
- $58
- Updated
- 2024/03/01
- Product number
- D4039
- Product name
- 4,7-Dichloroisatin
- Purity
- >97.0%(T)
- Packaging
- 5g
- Price
- $229
- Updated
- 2024/03/01
- Product number
- A14853
- Product name
- 4,7-Dichloroisatin, 98%
- Packaging
- 1g
- Price
- $50.65
- Updated
- 2024/03/01
- Product number
- A14853
- Product name
- 4,7-Dichloroisatin, 98%
- Packaging
- 5g
- Price
- $162.65
- Updated
- 2024/03/01
4,7-Dichloroisatin Chemical Properties,Usage,Production
Chemical Properties
orange flakes
Uses
Used as an intermediate in organic synthesis.
Synthesis
To a mixture of 2,5-Dichloroaniline (1.02 g, 7.84 mmol), anhydrous sodium sulfate (8.94 g, 62.71 mmol), hydroxylamine hydrochloride (2.24 g, 31.35 mmol) and 1M hydrochloric acid (8.0 mL) in water (60 mL) is added chloral hydrate (1.58 g, 9.41 mmol) at room temperature. The resulting mixture is warmed to 55 °C and stirred for 6 hours. While the mixture is cooling to room temperature, solid precipitate is formed and collected by filtration, washed with water and dried under vacuum to yield the hydroxyliminoacetanilide intermediate, which is added in small portions to concentrated sulfuric acid (5.0 mL) that is preheated to 55 °C. The temperature of the reaction mixture is maintained at below 58 °C throughout the addition. After the addition is completed, the dark-colored mixture is heated to 80 °C for 10 minutes before cooling down to room temperature. The mixture is then poured into crushed ice, swirled, and left to stand for 30 minutes. 4,7-Dichloroisatin formed is collected by filtration, washed with water and dried under vacuum.
4,7-Dichloroisatin Preparation Products And Raw materials
Raw materials
Preparation Products
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View Lastest Price from 4,7-Dichloroisatin manufacturers
- Product
- 4,7-DICHLOROISATIN 18711-13-2
- Price
- US $15.00-10.00/KG
- Min. Order
- 1KG
- Purity
- 99%+ HPLC
- Supply Ability
- Monthly supply of 1 ton
- Release date
- 2021-08-11
- Product
- 4,7-DICHLOROISATIN 18711-13-2
- Price
- US $1.00/KG
- Min. Order
- 1KG
- Purity
- 99%
- Supply Ability
- 10000KGS
- Release date
- 2019-12-30