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224847

Sigma-Aldrich

Iodine monobromide

98%

Synonyme(s) :

Bromoiodine

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About This Item

Formule linéaire :
IBr
Numéro CAS:
7789-33-5
Poids moléculaire :
206.81
Numéro CE :
232-159-9
Numéro MDL:
MFCD00011353
Code UNSPSC :
12352101
ID de substance PubChem :
24853459
Nomenclature NACRES :
NA.22
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Niveau de qualité

200

Essai

98%

Forme

solid

Pf

42-50 °C (lit.)

Densité

4.416 g/mL at 25 °C (lit.)

Température de stockage

2-8°C

Chaîne SMILES 

BrI

InChI

1S/BrI/c1-2

Clé InChI

CBEQRNSPHCCXSH-UHFFFAOYSA-N

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Catégories apparentées

Description générale

Iodine monobromide is an interhalogen compound used as an electrophile in the synthesis of polyketide structural units.[1]

Iodine monobromide (IBr) is a powerful iodinating agent employed in organic synthesis. IBr is commonly used in cleavage of carbon–metal bonds, electrophilic addition to alkenes, α-bromination of steroidal ketones and aldehydes, and in diastereoselective cyclizations of homoallylic carbonates.[2]

Application

Electrophile employed in a new synthetic approach to polyketide structural units.[3]

Pictogrammes

CorrosionExclamation mark
GHS05,GHS07

Mention d'avertissement

Danger

Mentions de danger

H314,H335

Classification des risques

Eye Dam. 1 - Skin Corr. 1B - STOT SE 3

Organes cibles

Respiratory system

Code de la classe de stockage

8A - Combustible corrosive hazardous materials

Classe de danger pour l'eau (WGK)

WGK 3

Équipement de protection individuelle

Eyeshields, Faceshields, Gloves, type P3 (EN 143) respirator cartridges

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Certificats d'analyse (COA)

Lot/Batch Number
MKCS9003
MKCS8999
MKCS8903
MKCS8901
MKCS8900

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The Thermodynamic Constants of Iodine Monobromide
McMorris, et al.
Journal of the American Chemical Society, 53, 2625-2631 (1931)
Kai Liu et al.
Organic letters, 8(23), 5393-5395 (2006-11-03)
[Structure: see text] A strategically novel approach to the formation of syn-1,3-diol mono- and diethers through electrophilic activation of homoallylic alkoxymethyl ethers has been developed. The resulting polyketide-like synthetic fragments are generated in good yield and with excellent stereocontrol. A
Iodine Monobromide
Brisbois RG, et al.
Encyclopedia of Reagents for Organic Synthesis, Second Edition, 1-5 (2001)
L E Mikhno et al.
Likars'ka sprava, (1)(1), 89-91 (1992-01-01)
The effect of local iodine-bromine baths at the early stage of health-resort treatment on the main values of the cardio-vascular system was studied in patients suffering of myocardial infarction with arterial hypertension. It was established that local iodine-bromine baths produce
Ultraviolet spectrophotometric determination of phenols in natural and waste waters with iodine monobromide.
F Bosch et al.
The Analyst, 112(9), 1335-1337 (1987-09-01)
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Questions

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  1. How is shipping temperature determined? And how is it related to the product storage temperature?

    1 réponse

    1. Products may be shipped at a different temperature than the recommended long-term storage temperature. If the product quality is sensitive to short-term exposure to conditions other than the recommended long-term storage, it will be shipped on wet or dry-ice. If the product quality is NOT affected by short-term exposure to conditions other than the recommended long-term storage, it will be shipped at ambient temperature. As shipping routes are configured for minimum transit times, shipping at ambient temperature helps control shipping costs for our customers. For more information, please refer to the Storage and Transport Conditions document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/316/622/storage-transport-conditions-mk.pdf

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  2. How can I determine the shelf life / expiration / retest date of this product?

    1 réponse

    1. If this product has an expiration or retest date, it will be shown on the Certificate of Analysis (COA, CofA). If there is no retest or expiration date listed on the product's COA, we do not have suitable stability data to determine a shelf life. For these products, the only date on the COA will be the release date; a retest, expiration, or use-by-date will not be displayed.
      For all products, we recommend handling per defined conditions as printed in our product literature and website product descriptions. We recommend that products should be routinely inspected by customers to ensure they perform as expected.
      For products without retest or expiration dates, our standard warranty of 1 year from the date of shipment is applicable.
      For more information, please refer to the Product Dating Information document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/449/386/product-dating-information-mk.pdf

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