ChemicalBook > CAS DataBase List > 3-BROMO-4-METHYL-5-NITROBENZOIC ACID

3-BROMO-4-METHYL-5-NITROBENZOIC ACID

Product Name
3-BROMO-4-METHYL-5-NITROBENZOIC ACID
CAS No.
34545-20-5
Chemical Name
3-BROMO-4-METHYL-5-NITROBENZOIC ACID
Synonyms
3-Bromo-4-methyl-5-nitro-benzoic;Benzoic acid, 3-broMo-4-Methyl-5-nitro-
CBNumber
CB82645759
Molecular Formula
C8H6BrNO4
Formula Weight
260.04
MOL File
34545-20-5.mol
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3-BROMO-4-METHYL-5-NITROBENZOIC ACID Property

Boiling point:
387.0±42.0 °C(Predicted)
Density 
1.777±0.06 g/cm3(Predicted)
storage temp. 
Sealed in dry,Room Temperature
pka
3.27±0.10(Predicted)
Appearance
White to off-white Solid
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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

Biosynth Carbosynth
Product number
FB131089
Product name
3-Bromo-4-methyl-5-nitrobenzoic acid
Packaging
250mg
Price
$85
Updated
2021/12/16
ChemScene
Product number
CS-0061180
Product name
3-Bromo-4-methyl-5-nitrobenzoicacid
Purity
98.62%
Packaging
5g
Price
$133
Updated
2021/12/16
Biosynth Carbosynth
Product number
FB131089
Product name
3-Bromo-4-methyl-5-nitrobenzoic acid
Packaging
1g
Price
$255
Updated
2021/12/16
Biosynth Carbosynth
Product number
FB131089
Product name
3-Bromo-4-methyl-5-nitrobenzoic acid
Packaging
2g
Price
$434
Updated
2021/12/16
ChemScene
Product number
CS-0061180
Product name
3-Bromo-4-methyl-5-nitrobenzoicacid
Purity
98.62%
Packaging
25g
Price
$450
Updated
2021/12/16
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3-BROMO-4-METHYL-5-NITROBENZOIC ACID Chemical Properties,Usage,Production

Synthesis

54591-62-7

34545-20-5

Step 3: 3-amino-4-methyl-5-nitrobenzoic acid (50 g, 254 mmol) was suspended in a mixture of concentrated hydrochloric acid (350 ml) and water (350 ml) at 0-5 °C. Subsequently, an aqueous solution of sodium nitrite (18.6 g, 270 mmol) (30 ml) was slowly added over 15 to 20 minutes. The reaction mixture was continued to be stirred at 0-5°C for 30 minutes. After that, the reaction mixture was slowly poured into a pre-cooled solution of concentrated hydrochloric acid (220 ml) of cuprous bromide (73.21 g, 516 mmol) and kept stirring at 0-5°C for 30 min followed by stirring at room temperature for 30 min. Finally, the reaction mixture was heated to 30-35 °C and stirred for 30 min, the precipitated solid was collected by filtration, washed with water (50 ml) and dried under vacuum to give 58 g of 3-bromo-4-methyl-5-nitrobenzoic acid as a pink solid in 88% yield.1H-NMR (CD3OD-d4) δppm: 2.6 (3H, s, CH3), 8.21 (1H, d , J = 1.4Hz, Ar-H), 8.27 (1H, d, J = 1.2Hz, Ar-H).

References

[1] Patent: WO2010/59549, 2010, A1. Location in patent: Page/Page column 16-17
[2] Justus Liebigs Annalen der Chemie, 1891, vol. 266, p. 223,227

3-BROMO-4-METHYL-5-NITROBENZOIC ACID Preparation Products And Raw materials

Raw materials

Preparation Products

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View Lastest Price from 3-BROMO-4-METHYL-5-NITROBENZOIC ACID manufacturers

Career Henan Chemical Co
Product
3-BROMO-4-METHYL-5-NITROBENZOIC ACID 34545-20-5
Price
US $1.00/KG
Min. Order
1KG
Purity
97%
Supply Ability
200KG
Release date
2018-08-15

34545-20-5, 3-BROMO-4-METHYL-5-NITROBENZOIC ACIDRelated Search:


  • Benzoic acid, 3-broMo-4-Methyl-5-nitro-
  • 3-Bromo-4-methyl-5-nitro-benzoic
  • 34545-20-5