ChemicalBook > CAS DataBase List > 4-BROMO-BENZO[B]THIOPHENE-2-CARBOXYLIC ACID

4-BROMO-BENZO[B]THIOPHENE-2-CARBOXYLIC ACID

Product Name: 4-BROMO-BENZO[B]THIOPHENE-2-CARBOXYLIC ACID
CAS No.: 5194-37-6
Chemical Name: 4-BROMO-BENZO[B]THIOPHENE-2-CARBOXYLIC ACID
Synonyms: 4-Bromobenzothiophene-2-carboxylic acid;4-Bromobenzo[b]thiophene-2-carboxylicaci;4-BROMO-1-BENZOTHIOPHENE-2-CARBOXYLIC ACID;4-BROMO-BENZO[B]THIOPHENE-2-CARBOXYLIC ACID;Benzo[b]thiophene-2-carboxylic acid, 4-bromo-
CBNumber: CB0138145
Molecular Formula: C9H5BrO2S
Formula Weight: 257.1
MOL File: 5194-37-6.mol

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4-BROMO-BENZO[B]THIOPHENE-2-CARBOXYLIC ACID Property

Melting point:: 265
Boiling point:: 429.7±25.0 °C(Predicted)
Density: 1.813±0.06 g/cm3(Predicted)
storage temp.: 2-8°C(protect from light)
form: powder
pka: 3.27±0.30(Predicted)
color: White
InChI: InChI=1S/C9H5BrO2S/c10-6-2-1-3-7-5(6)4-8(13-7)9(11)12/h1-4H,(H,11,12)
InChIKey: LAYNZUFIYSYHIV-UHFFFAOYSA-N
SMILES: C12=CC=CC(Br)=C1C=C(C(O)=O)S2

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Safety

Hazard Codes: Xi
HazardClass: IRRITANT
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: B680828
Product name: 4-Bromo-1-benzothiophene-2-carboxylicacid
Packaging: 100mg
Price: $45
Updated: 2021/12/16

Frontier Specialty Chemicals

Product number: B15162
Product name: 4-Bromo-1-benzothiophene-2-carboxylicacid
Purity: 98%
Packaging: 5g
Price: $30
Updated: 2021/12/16

Matrix Scientific

Product number: 047307
Product name: 4-Bromo-1-benzothiophene-2-carboxylic acid
Purity: >95%
Packaging: 500mg
Price: $362
Updated: 2021/12/16

Matrix Scientific

Product number: 047307
Product name: 4-Bromo-1-benzothiophene-2-carboxylic acid
Purity: >95%
Packaging: 1g
Price: $454
Updated: 2021/12/16

AK Scientific

Product number: X5893
Product name: 4-Bromo-1-benzothiophene-2-carboxylicacid
Packaging: 25g
Price: $651
Updated: 2021/12/16

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4-BROMO-BENZO[B]THIOPHENE-2-CARBOXYLIC ACID Chemical Properties,Usage,Production

Synthesis

93103-82-3

5194-37-6

Step 3: (0367) To a 500 mL single neck flask was added ethyl 4-bromo-1-benzothiophene-2-carboxylate (20 g, 70.4 mmol), tetrahydrofuran (120 mL) and water (100 mL). Aqueous 4 N sodium hydroxide (40 mL) was added slowly with stirring, followed by heating the reaction mixture to 70 °C with continuous stirring for 1 hour. After completion of the reaction, the reaction mixture was extracted with ethyl acetate (70 mL x 2). The pH of the aqueous phase was adjusted to 12 with concentrated hydrochloric acid and the precipitated solid was filtered and dried to give 4-bromobenzo[b]thiophene-2-carboxylic acid (16 g, yield: 88%).

References

[1] Indian Journal of Chemistry, Section B: Organic Chemistry Including Medicinal Chemistry, 1984, vol. 23, # 1, p. 38 - 41
[2] Patent: US2017/158680, 2017, A1. Location in patent: Paragraph 0361; 0366; 0367

4-BROMO-BENZO[B]THIOPHENE-2-CARBOXYLIC ACID Preparation Products And Raw materials

Raw materials

Preparation Products

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View Lastest Price from 4-BROMO-BENZO[B]THIOPHENE-2-CARBOXYLIC ACID manufacturers

Career Henan Chemical Co

Product: 4-BROMO-BENZO[B]THIOPHENE-2-CARBOXYLIC ACID 5194-37-6
Price: US $1.00/KG
Min. Order: 1KG
Purity: 99%
Supply Ability: 100KG
Release date: 2020-01-08

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4-BROMO-BENZO[B]THIOPHENE-2-CARBOXYLIC ACID

Benzo[b]thiophene-2-carboxylic acid, 4-bromo-

4-Bromobenzothiophene-2-carboxylic acid

4-Bromobenzo[b]thiophene-2-carboxylicaci

5194-37-6