ChemicalBook > CAS DataBase List > 2-Aminobenzo[b]thiophene

2-Aminobenzo[b]thiophene

Product Name
2-Aminobenzo[b]thiophene
CAS No.
4521-30-6
Chemical Name
2-Aminobenzo[b]thiophene
Synonyms
benzothiophen-2-amine;2-Aminobenzo[b]thiophene
CBNumber
CB72140424
Molecular Formula
C8H7NS
Formula Weight
149.21
MOL File
4521-30-6.mol
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2-Aminobenzo[b]thiophene Property

Melting point:
115-117 °C
Boiling point:
313.1±15.0 °C(Predicted)
Density 
1.294±0.06 g/cm3(Predicted)
storage temp. 
Keep in dark place,Inert atmosphere,Store in freezer, under -20°C
solubility 
Chloroform (Sligthly), DMSO (Slightly), Methanol (Slightly)
form 
Solid
pka
3.79±0.10(Predicted)
color 
Pale Red to Very Dark Brown
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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

H332Harmful if inhaled

H335May cause respiratory irritation

Precautionary statements

P261Avoid breathing dust/fume/gas/mist/vapours/spray.

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

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
B206875
Product name
Benzo[b]thiophen-2-amine
Packaging
250mg
Price
$470
Updated
2021/12/16
American Custom Chemicals Corporation
Product number
CHM0391809
Product name
BENZO[B]THIOPHEN-2-AMINE
Purity
95.00%
Packaging
5MG
Price
$496.28
Updated
2021/12/16
Biosynth Carbosynth
Product number
FB140394
Product name
Benzo[b]thiophen-2-amine
Packaging
2g
Price
$615
Updated
2021/12/16
Matrix Scientific
Product number
075877
Product name
Benzo[b]thiophen-2-amine
Purity
95+%
Packaging
250mg
Price
$629
Updated
2021/12/16
Matrix Scientific
Product number
075877
Product name
Benzo[b]thiophen-2-amine
Purity
95+%
Packaging
1g
Price
$1357
Updated
2021/12/16
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2-Aminobenzo[b]thiophene Chemical Properties,Usage,Production

Synthesis

89673-36-9

4521-30-6

General procedure for the synthesis of benzo[b]thiophen-2-amine from tert-butyl benzothiophen-2-ylcarbamate: tert-butyl 1-benzothiophen-2-ylcarbamate (1.0 g, 4.01 mmol) was added to a solution of 1-benzothiophen-2-ylcarbamate in dichloromethane (DCM, 10 mL), and the reaction was stirred at room temperature for 12 hours. Upon completion of the reaction, the reaction mixture was concentrated and the resulting residue was redissolved in dichloromethane, washed sequentially with 1N sodium hydroxide solution (2 x 50 mL) and saturated saline, and the organic phase was dried with anhydrous sodium sulfate. The drier was removed by filtration and the filtrate was concentrated to give the pure benzo[b]thiophen-2-amine (0.54 g, 91% yield).LCMS (m/z): 150.0 (M + H).

References

[1] Patent: WO2006/41968, 2006, A1. Location in patent: Page/Page column 38
[2] Patent: US2007/105864, 2007, A1. Location in patent: Page/Page column 193
[3] Patent: US2007/117804, 2007, A1. Location in patent: Page/Page column 125

2-Aminobenzo[b]thiophene Preparation Products And Raw materials

Raw materials

Preparation Products

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View Lastest Price from 2-Aminobenzo[b]thiophene manufacturers

Shaanxi Dideu Medichem Co. Ltd
Product
2-Aminobenzo[b]thiophene 4521-30-6
Price
US $25.00-11.00/KG
Min. Order
1KG
Purity
99%
Supply Ability
200000KG
Release date
2024-08-12

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  • 2-Aminobenzo[b]thiophene
  • benzothiophen-2-amine
  • 4521-30-6