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5-Thiazolecarboxylic acid, 2,4-dibromo-

Product Name
5-Thiazolecarboxylic acid, 2,4-dibromo-
CAS No.
139669-96-8
Chemical Name
5-Thiazolecarboxylic acid, 2,4-dibromo-
Synonyms
2,4-Dibromo-5-thiazolecarboxylic acid;5-Thiazolecarboxylic acid, 2,4-dibromo-;5-Thiazolecarboxylic acid, 2,4-dibromo- 2,4-Dibromo-5-thiazolecarboxylic acid
CBNumber
CB01094156
Molecular Formula
C4HBr2NO2S
Formula Weight
286.93
MOL File
139669-96-8.mol
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5-Thiazolecarboxylic acid, 2,4-dibromo- Property

Boiling point:
387.1±27.0 °C(Predicted)
Density 
2.451±0.06 g/cm3(Predicted)
storage temp. 
under inert gas (nitrogen or Argon) at 2-8°C
pka
1.17±0.10(Predicted)
Appearance
White to off-white Solid
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Warning
Hazard statements

H302Harmful if swallowed

H315Causes skin irritation

H317May cause an allergic skin reaction

H319Causes serious eye irritation

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
D426353
Product name
2,4-Dibromo-5-thiazolecarboxylicacid
Packaging
10mg
Price
$105
Updated
2021/12/16
Biosynth Carbosynth
Product number
FD142305
Product name
2,4-Dibromothiazole-5-carboxylic acid
Packaging
50mg
Price
$79
Updated
2021/12/16
Biosynth Carbosynth
Product number
FD142305
Product name
2,4-Dibromothiazole-5-carboxylic acid
Packaging
250mg
Price
$275
Updated
2021/12/16
Matrix Scientific
Product number
072325
Product name
2,4-Dibromothiazole-5-carboxylic acid
Purity
95+%
Packaging
250mg
Price
$312
Updated
2021/12/16
Biosynth Carbosynth
Product number
FD142305
Product name
2,4-Dibromothiazole-5-carboxylic acid
Packaging
100mg
Price
$138
Updated
2021/12/16
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5-Thiazolecarboxylic acid, 2,4-dibromo- Chemical Properties,Usage,Production

Synthesis

139669-95-7

139669-96-8

General procedure for the synthesis of 2,4-dibromo-5-thiazolecarboxylic acid from 2,4-dibromothiazole-5-carbaldehyde: Solid potassium permanganate (2.19 g, 13.85 mmol) was added batchwise to a hot suspension of 2,4-dibromothiazole-5-carbaldehyde (2.5 g, 9.23 mmol) in water (20 mL). The reaction progress was monitored by HPLC. Potassium permanganate was continuously added until the aldehyde was completely consumed. The dark colored suspension was filtered while hot. The filtrate was cooled and acidified with concentrated hydrochloric acid. The resulting precipitate was filtered to give a white solid, which is the target product 2,4-dibromo-5-thiazolecarboxylic acid. The filtrate was lyophilized and methanol was added to dissolve the residual acid product. The suspension was filtered and the filtrate was concentrated under vacuum. The products obtained from the two treatments were combined to give 1.8 g of 2,4-dibromo-5-thiazolecarboxylic acid in 68% yield. The structure of the product was confirmed by 1H NMR (300 MHz, DMSO-d6), δ 11.87 (s, 1H).

References

[1] Organic and Biomolecular Chemistry, 2006, vol. 4, # 24, p. 4514 - 4525
[2] Patent: US2007/203210, 2007, A1. Location in patent: Page/Page column 42

5-Thiazolecarboxylic acid, 2,4-dibromo- Preparation Products And Raw materials

Raw materials

Preparation Products

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View Lastest Price from 5-Thiazolecarboxylic acid, 2,4-dibromo- manufacturers

Career Henan Chemical Co
Product
5-Thiazolecarboxylic acid, 2,4-dibromo- 139669-96-8
Price
US $1.00/KG
Min. Order
1g
Purity
98%min
Supply Ability
ask
Release date
2019-12-20

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