ChemicalBook > CAS DataBase List > 4-BROMO-3-NITROPHENYLBORONIC ACID
4-BROMO-3-NITROPHENYLBORONIC ACID
- Product Name
- 4-BROMO-3-NITROPHENYLBORONIC ACID
- CAS No.
- 74386-13-3
- Chemical Name
- 4-BROMO-3-NITROPHENYLBORONIC ACID
- Synonyms
- AKOS BRN-0082;RARECHEM AH PB 0034;4-Bromo-3-nitrophenyL;4-BROMO-3-NITROPHENYLBORONIC ACID;4-BROMO-3-NITROBENZENEBORONIC ACID;Boronic acid, B-(4-bromo-3-nitrophenyl)-
- CBNumber
- CB9731002
- Molecular Formula
- C6H5BBrNO4
- Formula Weight
- 245.82
- MOL File
- 74386-13-3.mol
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4-BROMO-3-NITROPHENYLBORONIC ACID Property
- Melting point:
- 213-216
- Boiling point:
- 361.6±52.0 °C(Predicted)
- Density
- 1.85±0.1 g/cm3(Predicted)
- storage temp.
- under inert gas (nitrogen or Argon) at 2-8°C
- pka
- 6.67±0.10(Predicted)
- Appearance
- Off-white to light yellow Solid
- CAS DataBase Reference
- 74386-13-3(CAS DataBase Reference)
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Safety
- Hazard Codes
- Xi
- Hazard Note
- Irritant
- HS Code
- 2931900090
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Hazard and Precautionary Statements (GHS)
- Symbol(GHS)
-
- Signal word
- Warning
- Hazard statements
-
H302Harmful if swallowed
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation
- Precautionary statements
-
P261Avoid breathing dust/fume/gas/mist/vapours/spray.
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
TRC
- Product number
- B696018
- Product name
- 4-Bromo-3-nitrophenylboronicAcid
- Packaging
- 100mg
- Price
- $50
- Updated
- 2021/12/16
TRC
- Product number
- B696018
- Product name
- 4-Bromo-3-nitrophenylboronicAcid
- Packaging
- 250mg
- Price
- $100
- Updated
- 2021/12/16
TRC
- Product number
- B696018
- Product name
- 4-Bromo-3-nitrophenylboronicAcid
- Packaging
- 1g
- Price
- $220
- Updated
- 2021/12/16
SynQuest Laboratories
- Product number
- 8660-9-X1
- Product name
- 4-Bromo-3-nitrobenzeneboronic acid
- Packaging
- 1g
- Price
- $237
- Updated
- 2021/12/16
Matrix Scientific
- Product number
- 094622
- Product name
- 4-Bromo-3-nitrophenylboronic acid
- Purity
- 95+%
- Packaging
- 1g
- Price
- $341
- Updated
- 2021/12/16
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4-BROMO-3-NITROPHENYLBORONIC ACID Chemical Properties,Usage,Production
Uses
suzuki reaction
Uses
4-Bromo-3-nitrophenylboronic Acid inhibits porcine pancreatic lipase and serum cholinesterase activity in Horses.
Synthesis
446-09-3
73183-34-3
74386-13-3
General procedure for the synthesis of 4-bromo-3-nitrophenylboronic acid from 2-bromo-5-fluoronitrobenzene and bis(pinacolato)diboronic acid: 2-bromo-5-fluoronitrobenzene (19.48 g, 89 mmol) was added to a 1L round bottom flask. Bis(pinacolato)diboron (27 g, 106 mmol), bis(triphenylphosphine)dichloropalladium (3.1 g, 4.45 mmol), and potassium acetate (KOAc) (22 g, 222 mmol) were added sequentially, followed by 1,4-dioxane (445 mL). The mixture was heated to reflux with stirring. After 3 hours of reaction, the heating was stopped and the mixture was cooled to room temperature. The separation was carried out by extraction with dichloromethane and distilled water. The organic layer was dried and purified by column chromatography to afford the intermediate 4-bromo-3-nitrophenylboronic acid (13.08 g, 60% yield).
References
[1] Patent: CN108383842, 2018, A. Location in patent: Paragraph 0056; 0057; 0059
4-BROMO-3-NITROPHENYLBORONIC ACID Preparation Products And Raw materials
Raw materials
Preparation Products
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View Lastest Price from 4-BROMO-3-NITROPHENYLBORONIC ACID manufacturers
Career Henan Chemical Co
- Product
- 4-BROMO-3-NITROPHENYLBORONIC ACID 74386-13-3
- Price
- US $1.00/KG
- Min. Order
- 1KG
- Purity
- 97%-99%
- Supply Ability
- 1kg; 5kg; 100kg
- Release date
- 2019-07-03
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