ChemicalBook > CAS DataBase List > 4-Bromo-2-nitrobenzoic acid

4-Bromo-2-nitrobenzoic acid

Product Name
4-Bromo-2-nitrobenzoic acid
CAS No.
99277-71-1
Chemical Name
4-Bromo-2-nitrobenzoic acid
Synonyms
Valine Impurity 115;4-bromo-2-nitrobenzoic;4-bromo-2-nitrobenzoate;4-Bromo-2-nitrobenzoicaci;4-Bromo-2-nitrobenzoic ac;Bromonitrobenzoicacid 42---;4-BROMO-2-NITROBENZOIC ACID;2-Bromo-2-nitrobenzoic acid;2-NITRO-4-BROMO BENZOIC ACID;5-Bromo-2-carboxynitrobenzene
CBNumber
CB1414776
Molecular Formula
C7H4BrNO4
Formula Weight
246.01
MOL File
99277-71-1.mol
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4-Bromo-2-nitrobenzoic acid Property

Melting point:
165-169 °C
Boiling point:
368.6±32.0 °C(Predicted)
Density 
1.892±0.06 g/cm3(Predicted)
storage temp. 
Sealed in dry,Room Temperature
solubility 
soluble in Methanol
form 
powder to crystal
pka
1.97±0.25(Predicted)
color 
White to Gray to Brown
CAS DataBase Reference
99277-71-1(CAS DataBase Reference)
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Safety

Hazard Codes 
Xn,N,Xi
Risk Statements 
22-36/37/38-43-50
Safety Statements 
26-36/37-61
RIDADR 
UN 3077 9/PG 3
WGK Germany 
2
HazardClass 
IRRITANT
PackingGroup 
III
HS Code 
29163990
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Warning
Hazard statements

H302Harmful if swallowed

H315Causes skin irritation

H317May cause an allergic skin reaction

H319Causes serious eye irritation

H335May cause respiratory irritation

H400Very toxic to aquatic life

Precautionary statements

P273Avoid release to the environment.

P280Wear protective gloves/protective clothing/eye protection/face protection.

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

Sigma-Aldrich
Product number
664855
Product name
4-Bromo-2-nitrobenzoic acid
Purity
97%
Packaging
1g
Price
$38.9
Updated
2023/06/20
Sigma-Aldrich
Product number
664855
Product name
4-Bromo-2-nitrobenzoic acid
Purity
97%
Packaging
5g
Price
$81.5
Updated
2023/06/20
TCI Chemical
Product number
B3810
Product name
4-Bromo-2-nitrobenzoic Acid
Purity
>98.0%(T)
Packaging
5g
Price
$46
Updated
2025/07/31
TCI Chemical
Product number
B3810
Product name
4-Bromo-2-nitrobenzoic Acid
Purity
>98.0%(T)
Packaging
25g
Price
$178
Updated
2025/07/31
TRC
Product number
B686225
Product name
4-Bromo-2-nitrobenzoic Acid
Packaging
5g
Price
$130
Updated
2021/12/16
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4-Bromo-2-nitrobenzoic acid Chemical Properties,Usage,Production

Chemical Properties

Solid

Uses

Undergoes Negishi-type coupling with dimethylzinc in the presence of palladium-phosphine catalysis.

Uses

4-Bromo-2-nitrobenzoic acid is an intermediate in the synthesis of Lonafarnib (L469445), a potential anticancer agent.

Synthesis

610-36-6

99277-71-1

162046-38-0

Step 1: Synthesis of 4-bromo-2-nitrobenzoic acid The reference method was modified as follows (Boojamra, C.G.; Burow, K.M.; Thompson, L.A.; Ellman, J.A. J. Org. Chem., 1997, 62, 1240-1256): 1. An aqueous solution (65 mL) of NaNO2 (1.9 g, 27.4 mmol) was slowly added to a stirring solution of 4-amino-2-nitrobenzoic acid (1) (5 g, 27.4 mmol) dissolved in 48% aqueous HBr (40 mL) at 0 °C. After about 15 minutes, the turbid reaction mixture transformed into a clarified orange-yellow solution. 2. After continued stirring for 25 minutes, the solution was added dropwise to a solution of CuBr (5.2 g, 36.3 mmol) dissolved in 48% aqueous HBr (90 mL) at 0°C. Yellow foam generation and gas release from the purple-brown mixture were observed during the reaction. 3. After stirring at 0 °C for 1 h, the reaction mixture was concentrated under reduced pressure. 4. The aqueous layer was extracted with EtOAc (4 x 300 mL), the organic phases were combined, dried over Na2SO4 and concentrated to dryness to give a dark solid crude product. 5. The crude product was filtered through a column of Florisilica clay (~20 g) and washed with EtOAc. 6. The combined organic fractions were evaporated to about 50 mL, 200 mL of water was added, washed sequentially with 1 M HCl (2 x 50 mL), brine (50 mL), then dried with Na2SO4, filtered and concentrated to dryness to give 6.1 g of light yellow solid product (2) in 91% yield and >90% HPLC purity.

References

[1] Patent: US2005/256157, 2005, A1
[2] Patent: US2005/261307, 2005, A1

4-Bromo-2-nitrobenzoic acid Preparation Products And Raw materials

Raw materials

Preparation Products

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4-Bromo-2-nitrobenzoic acid Suppliers

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View Lastest Price from 4-Bromo-2-nitrobenzoic acid manufacturers

Hebei Chuanghai Biotechnology Co., Ltd
Product
4-Bromo-2-nitrobenzoic acid 99277-71-1
Price
US $10.00/kg
Min. Order
1kg
Purity
99.5%
Supply Ability
100 TON
Release date
2024-11-29
Henan Fengda Chemical Co., Ltd
Product
4-Bromo-2-nitrobenzoic acid 99277-71-1
Price
US $100.00-1.00/KG
Min. Order
1KG
Purity
99%
Supply Ability
g-kg-tons, free sample is available
Release date
2023-12-24
Shaanxi Dideu Medichem Co. Ltd
Product
4-Bromo-2-nitrobenzoic acid 99277-71-1
Price
US $0.00-0.00/KG
Min. Order
1KG
Purity
99.0%+
Supply Ability
100 tons
Release date
2020-01-07

99277-71-1, 4-Bromo-2-nitrobenzoic acidRelated Search:

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  • 99277-71-1
  • C7H3BrNO4
  • Carboxylic Acids
  • Carbonyl Compounds
  • C7
  • Building Blocks
  • Organic Building Blocks
  • intermediate
  • Multisubstituted Benzene
  • Aromatic Carboxylic Acids, Amides, Anilides, Anhydrides & Salts
  • C7
  • Carbonyl Compounds
  • Carboxylic Acids
  • blocks
  • Bromides
  • Carboxes
  • NitroCompounds