ChemicalBook > CAS DataBase List > 3-Bromoindazole

3-Bromoindazole

Product Name
3-Bromoindazole
CAS No.
40598-94-5
Chemical Name
3-Bromoindazole
Synonyms
3-BROMOINDAZOLE;3-BROMO-1H-INDAZOLE;3-Bromoindazole 95%;1H-Indazole, 3-bromo-;3-Bromo-1H-indazole ,97%
CBNumber
CB2738002
Molecular Formula
C7H5BrN2
Formula Weight
197.03
MOL File
40598-94-5.mol
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3-Bromoindazole Property

Melting point:
143-147 °C
Boiling point:
333.8±15.0 °C(Predicted)
Density 
1.770±0.06 g/cm3(Predicted)
storage temp. 
under inert gas (nitrogen or Argon) at 2-8°C
form 
solid
pka
11.82±0.40(Predicted)
Appearance
White to off-white Solid
CAS DataBase Reference
40598-94-5(CAS DataBase Reference)
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Safety

Hazard Codes 
T
Risk Statements 
25-36/37/38
Safety Statements 
26-45
RIDADR 
UN 2811 6.1/PG 3
WGK Germany 
3
HazardClass 
6.1
PackingGroup 
Ⅲ
HS Code 
29349990
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Danger
Hazard statements

H301Toxic if swalloed

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

Sigma-Aldrich
Product number
717525
Product name
3-Bromoindazole
Purity
95%
Packaging
1g
Price
$39.93
Updated
2025/07/31
TRC
Product number
B684603
Product name
3-Bromoindazole
Packaging
250mg
Price
$55
Updated
2021/12/16
Matrix Scientific
Product number
068701
Product name
3-Bromoindazole
Purity
>95%
Packaging
1g
Price
$21
Updated
2021/12/16
BroadPharm
Product number
BP-21296
Product name
3-BROMOINDAZOLE
Packaging
500mg
Price
$30
Updated
2021/12/16
Matrix Scientific
Product number
068701
Product name
3-Bromoindazole
Purity
>95%
Packaging
5g
Price
$74
Updated
2021/12/16
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3-Bromoindazole Chemical Properties,Usage,Production

Chemical Properties

White solid

Uses

3-Bromoindazole was studied in its ability to inhibit blue light-mediated seedling development. Used to study the blue light mechanism and the genetic control of cryptochromes in the growth and development of plant species.

Synthesis

271-44-3

40598-94-5

General procedure for the synthesis of 3-bromoindazole from indazole: 1H-indazole (3.00 g, 25.4 mmol) was suspended in 2.0 M sodium hydroxide solution (70 mL) at ambient temperature and a solution of bromine (3.00 g, 18.8 mmol) was slowly added. Subsequently, 2.0 M sodium hydroxide solution (30 mL) was added dropwise. The reaction mixture was stirred for 3 h. Sodium bisulfite (0.1 g) was added to quench the reaction, followed by acidification with the addition of 2.0 N hydrochloric acid solution (80 mL). The precipitate was collected by filtration and washed with water to give the final 3-bromoindazole (3.98 g, 80% yield). The product characterization data were as follows: melting point 136 °C; 1H NMR (CDCl3) δ 13.4 (broad single peak, 1H), 7.57 (multiple peaks, 2H), 7.45 (triple peak, 1H), 7.22 (triple peak, 1H); EI-MS (m/z) 198 [M+2]+, 196 [M]+.

References

[1] RSC Advances, 2016, vol. 6, # 93, p. 90031 - 90034
[2] Journal of Organic Chemistry, 2018, vol. 83, # 2, p. 930 - 938
[3] Organic Letters, 2015, vol. 17, # 4, p. 1042 - 1045
[4] Patent: US2002/103229, 2002, A1
[5] Patent: US2004/127536, 2004, A1

3-Bromoindazole Preparation Products And Raw materials

Raw materials

Acetic anhydride Sodium bisulfite Sodium nitrite o-Toluidine Nitric acid Bromine Acetic acid

Preparation Products

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View Lastest Price from 3-Bromoindazole manufacturers

Career Henan Chemical Co
Product
3-Bromoindazole 40598-94-5
Price
US $1.00/KG
Min. Order
1KG
Purity
99%
Supply Ability
200kgs
Release date
2020-02-13

40598-94-5, 3-BromoindazoleRelated Search:

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