ChemicalBook > CAS DataBase List > 4-BROMO-5-NITROTHIOPHENE-2-CARBOXALDEHYDE

4-BROMO-5-NITROTHIOPHENE-2-CARBOXALDEHYDE

Product Name: 4-BROMO-5-NITROTHIOPHENE-2-CARBOXALDEHYDE
CAS No.: 41498-07-1
Chemical Name: 4-BROMO-5-NITROTHIOPHENE-2-CARBOXALDEHYDE
Synonyms: 4-BroMo-5-nitrothiophene-2-carbaldehyde;4-BROMO-5-NITROTHIOPHENE-2-CARBOXALDEHYDE;4-BROMO-5-NITRO-2-THIOPHENECARBOXALDEHYDE;2-Thiophenecarboxaldehyde, 4-bromo-5-nitro-;4-BROMO-5-NITROTHIOPHENE-2-CARBOXALDEHYDE ISO 9001：2015 REACH
CBNumber: CB52465488
Molecular Formula: C5H2BrNO3S
Formula Weight: 236.04
MOL File: 41498-07-1.mol

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4-BROMO-5-NITROTHIOPHENE-2-CARBOXALDEHYDE Property

storage temp.: under inert gas (nitrogen or Argon) at 2–8 °C
Appearance: Light yellow to yellow 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

AK Scientific

Product number: 8405CZ
Product name: 4-Bromo-5-nitrothiophene-2-carbaldehyde
Packaging: 250mg
Price: $104
Updated: 2021/12/16

AK Scientific

Product number: 8405CZ
Product name: 4-Bromo-5-nitrothiophene-2-carbaldehyde
Packaging: 1g
Price: $151
Updated: 2021/12/16

AK Scientific

Product number: 8405CZ
Product name: 4-Bromo-5-nitrothiophene-2-carbaldehyde
Packaging: 25g
Price: $589
Updated: 2021/12/16

American Custom Chemicals Corporation

Product number: HCH0037049
Product name: 4-BROMO-5-NITRO-2-THIOPHENECARBOXALDEHYDE
Purity: 95.00%
Packaging: 5G
Price: $909.56
Updated: 2021/12/16

American Custom Chemicals Corporation

Product number: HCH0037049
Product name: 4-BROMO-5-NITRO-2-THIOPHENECARBOXALDEHYDE
Purity: 95.00%
Packaging: 10G
Price: $1334.03
Updated: 2021/12/16

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4-BROMO-5-NITROTHIOPHENE-2-CARBOXALDEHYDE Chemical Properties,Usage,Production

Synthesis

18791-75-8

41498-07-1

General procedure for the synthesis of 4-bromo-5-nitro-2-thiophenecarboxaldehyde from 4-bromo-2-thiophenecarboxaldehyde: A nitration reagent was prepared by dissolving potassium nitrate (110 g, 1.09 mol) in concentrated sulfuric acid (550 mL). The above nitration reagent was slowly added to a mixed solution of anhydrous dichloromethane (5 mL) and concentrated sulfuric acid (1.1 L) containing 4-bromo-2-thiophenecarboxaldehyde (207.6 g, 1.08 mol) at 0 °C, and the addition process was controlled to be completed within 45 min. The reaction mixture was continued to be stirred at 0 °C for 2 h, followed by raising to room temperature and stirring overnight. Upon completion of the reaction, the mixture was slowly poured into ice water, the precipitate was collected by filtration and washed sequentially with water and hexane. The resulting yellow solid was dried overnight to afford the target product 4-bromo-5-nitro-2-thiophenecarboxaldehyde (251.4 g, 98.6% yield). The structure of the product was confirmed by 1H-NMR (DMSO-d6): δ 9.90 (s, 1H, aldehydic hydrogen), 8.56 (s, 1H, thiophene cyclohexane).

References

[1] Patent: US2004/9995, 2004, A1
[2] Patent: WO2003/99805, 2003, A1. Location in patent: Page 384
[3] Patent: WO2006/101860, 2006, A1. Location in patent: Page/Page column 91-92
[4] Patent: US2013/324501, 2013, A1. Location in patent: Paragraph 0327; 0328
[5] Patent: WO2013/182451, 2013, A1. Location in patent: Page/Page column 85

4-BROMO-5-NITROTHIOPHENE-2-CARBOXALDEHYDE Preparation Products And Raw materials

Raw materials

Preparation Products

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View Lastest Price from 4-BROMO-5-NITROTHIOPHENE-2-CARBOXALDEHYDE manufacturers

Career Henan Chemical Co

Product: 4-BROMO-5-NITROTHIOPHENE-2-CARBOXALDEHYDE 41498-07-1
Price: US $1.00/KG
Min. Order: 1KG
Purity: 95-99%
Supply Ability: 1ton
Release date: 2019-12-31

41498-07-1, 4-BROMO-5-NITROTHIOPHENE-2-CARBOXALDEHYDERelated Search:

Bispyrithione 7-FLUORO INDAZOLE Phenylpentane DBDCB 2-Methylbutyraldehyde 4,5,6-Trichloropyrimidine Dimethyl 4-nitrophthalate 2,4,6-Trifluorobenzoic acid 2,3,4,5-Tetrafluorobenzoic acid BOC-GAMMA-ABU-OH 5-Bromo-2-(methylthio)pyrimidine-4-carboxylic acid 4-Nitrophenylboronic acid 2-Fluoro-4-nitrobenzaldehyde 5-Bromo-6-methoxynicotinic acid methyl ester CALCIUM ALUMINATE 5-NITROTHIOPHENE-2-CARBOXALDEHYDE

4-BROMO-5-NITRO-2-THIOPHENECARBOXALDEHYDE

4-BROMO-5-NITROTHIOPHENE-2-CARBOXALDEHYDE

4-BroMo-5-nitrothiophene-2-carbaldehyde

2-Thiophenecarboxaldehyde, 4-bromo-5-nitro-

4-BROMO-5-NITROTHIOPHENE-2-CARBOXALDEHYDE ISO 9001：2015 REACH

41498-07-1

C5H2BrNO3S

Thiophenes