ChemicalBook > CAS DataBase List > 1-Benzothiophen-5-amine

1-Benzothiophen-5-amine

Product Name
1-Benzothiophen-5-amine
CAS No.
20532-28-9
Chemical Name
1-Benzothiophen-5-amine
Synonyms
benzo[b]thiophen-5-amine;IFLAB-BB F0817-0001;5-Aminobenzothiophen;5-Aminothionaphthene;benzothiophen-5-amine;5-AMINOBENZOTHIOPHENE;1-BENZOTHIOPHEN-5-AMINE;5-Benzo[b]thiophenamine;5-Aminobenzo[b]thiophene;5-Aminebenzo[b]thiophene
CBNumber
CB7233401
Molecular Formula
C8H7NS
Formula Weight
149.21
MOL File
20532-28-9.mol
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1-Benzothiophen-5-amine Property

Melting point:
72 °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,Room temperature
form 
solid
pka
4.10±0.10(Predicted)
color 
Light brown to brown
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Safety

Hazard Codes 
Xn
Risk Statements 
22
Safety Statements 
24/25
HS Code 
2934999090
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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
B276753
Product name
Benzo[b]thiophen-5-amine
Packaging
500mg
Price
$130
Updated
2021/12/16
Biosynth Carbosynth
Product number
FA147536
Product name
5-Aminobenzothiophene
Packaging
500mg
Price
$140
Updated
2021/12/16
Biosynth Carbosynth
Product number
FA147536
Product name
5-Aminobenzothiophene
Packaging
1g
Price
$242
Updated
2021/12/16
Biosynth Carbosynth
Product number
FA147536
Product name
5-Aminobenzothiophene
Packaging
2g
Price
$421
Updated
2021/12/16
Apolloscientific
Product number
OR47828
Product name
5-Aminobenzo[b]thiophene
Packaging
250mg
Price
$31
Updated
2021/12/16
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1-Benzothiophen-5-amine Chemical Properties,Usage,Production

Definition

ChEBI: 1-Benzothiophen-5-amine is a member of 1-benzothiophenes.

Synthesis

4965-26-8

20532-28-9

General procedure for the synthesis of 5-aminobenzo[b]thiophene from 5-nitrobenzo[b]thiophene: A mixture of 5-nitrobenzo[b]thiophene (3.09 g, 17.0 mmol) with 10% palladium carbon catalyst (Aldrich, Catalog No. 20,569-9) (150 mg) in ethanol (90 mL) was placed in a Parr reaction flask. The hydrogenation reaction was carried out under hydrogen atmosphere at 3 bar with continuous shaking for 16 hours. Upon completion of the reaction, the catalyst was removed by filtration through a diatomaceous earth pad and the filter cake was washed with ethanol (2 x 30 mL). The combined filtrates were concentrated under reduced pressure to afford benzo[b]thiophen-5-amine (2.57 g, 100% yield) as a dark purple amorphous solid. Its 1H NMR (CDCl3, 400 MHz) data were as follows: δ 3.70 (broad single peak, 2H), 6.78 (double peak, J = 8.61, 1.96 Hz, 1H), 7.10 (double peak, J = 2.35 Hz, 1H), 7.14 (double peak, J = 5.09 Hz, 1H), 7.38 (double peak, J = 5.48 Hz, 1H), and 7.63 (double peak, J = 8.61 Hz, 1H).

References

[1] Patent: WO2006/66172, 2006, A1. Location in patent: Page/Page column 27
[2] Synthetic Communications, 1991, vol. 21, # 7, p. 959 - 964
[3] Journal of Medicinal Chemistry, 2002, vol. 45, # 19, p. 4128 - 4139
[4] Proceedings - Indian Academy of Sciences, Section A, 1952, # 36, p. 405,408
[5] Journal of the American Chemical Society, 1955, vol. 77, p. 5939,5943

1-Benzothiophen-5-amine Preparation Products And Raw materials

Raw materials

Methyl thioglycolate Copper Quinoline Ethanol Acetone Sodium chloride Sodium 2-Chloro-5-nitrobenzaldehyde Palladium Diethyl ether Hydrochloric acid Hydrogen Methanol Sodium hydroxide PETROLEUM ETHER

Preparation Products

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View Lastest Price from 1-Benzothiophen-5-amine manufacturers

Career Henan Chemical Co
Product
1-Benzothiophen-5-amine 20532-28-9
Price
US $1.00/KG
Min. Order
1KG
Purity
99%
Supply Ability
G/KG/T
Release date
2019-12-24

20532-28-9, 1-Benzothiophen-5-amineRelated Search:

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  • IFLAB-BB F0817-0001
  • BENZO[B]THIOPHEN-5-YLAMINE
  • 5-AMINOBENZOTHIOPHENE
  • 1-BENZOTHIOPHEN-5-AMINE
  • 1-Benzothiophen-5-amine, 95+%
  • benzothiophen-5-amine
  • 1-BENZOTHIEN-5-YLAMINE HYDROCHLORIDE
  • 5-Aminobenzothiophen
  • benzo[b]thiophen-5-amine
  • 4-(4-PENTYLCYCLOHEXYL)PHENOL
  • 5-Aminobenzo[b]thiophene
  • 5-Aminothionaphthene
  • 5-Benzo[b]thiophenamine
  • Benzo[b]thiophene-5-amine
  • 5-Aminebenzo[b]thiophene
  • 1-Benzothiophen-5-amine, 5-Amino-1-benzothiophene
  • 1-Benzothiophen-5-amine ISO 9001：2015 REACH
  • 20532-28-9