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376949

Sigma-Aldrich

Phosphorus(V) oxybromide

>95%

Sinônimo(s):

Phosphorus oxide bromide, Phosphoryl bromide

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25 G
R$ 1.215,00

R$ 1.215,00

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R$ 1.215,00

About This Item

Fórmula linear:
POBr3
Número CAS:
7789-59-5
Peso molecular:
286.69
Número CE:
232-177-7
Número MDL:
MFCD00036298
Código UNSPSC:
12352100
ID de substância PubChem:
24863480
NACRES:
NA.22

R$ 1.215,00

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Nível de qualidade

200

Ensaio

>95%

Formulário

solid

p.e.

192 °C (lit.)

pf

56 °C (lit.)

densidade

2.82 g/mL at 25 °C (lit.)

grupo funcional

phosphine oxide

temperatura de armazenamento

2-8°C

cadeia de caracteres SMILES

BrP(Br)(Br)=O

InChI

1S/Br3OP/c1-5(2,3)4

chave InChI

UXCDUFKZSUBXGM-UHFFFAOYSA-N

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Descrição geral

Reaction of phosphorus pentabromide with phosphorus pentoxide at elevated temperatures affords phosphorus(V) oxybromide. Its Raman spectrum has been studied and the molecule has been reported to exhibit point group symmetry C3v.[1] Phosphorus(V) oxybromide (Phosphorus oxide bromide) participates in the preparation of 1:1 addition ionic compound having melting point at 154·0°C, via reaction with gallium tribromide. This ionic compound contains non-metal cation POBr2+.[2]

Aplicação

Phosphorus(V) oxybromide may be used as brominating reagent in the synthesis of 2,4,6-tribromopyrimidine.[3] It may be used in the preparation of bromoheterocyclic compounds.[4]

Pictogramas

Corrosion
GHS05

Palavra indicadora

Danger

Frases de perigo

H314

Classificações de perigo

Eye Dam. 1 - Skin Corr. 1B

Perigos de suplementos

EUH014

Código de classe de armazenamento

8A - Combustible corrosive hazardous materials

Classe de risco de água (WGK)

WGK 3

Equipamento de proteção individual

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

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Certificados de análise (COA)

Lot/Batch Number
STBL4356
STBK1275
0000110371
0000092764
STBJ0151

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The possible existence of the cation POBr2+ and some properties of phosphorus oxybromide, gallium tribromide, and their ionic 1: 1 addition compound.
Greenwood NN and Worrall IJ.
J. Inorg. Nucl. Chem., 6(1), 34-41 (1958)
Phosphorus oxybromide as a brominating agent; bromopyrimidines.
D R V GOLDING et al.
The Journal of organic chemistry, 12(2), 293-293 (1947-03-01)
A facile halogenation of some hydroxyheterocycles using triphenylphosphine and N-halosuccinimide.
Sugimoto O, et al.
Tetrahedron Letters, 40(42), 7477-7478 (1999)
The Raman spectrum and the molecular structure of phosphorus oxybromide.
Gerding H and van Driel M.
Rec. Trav. Chim., 61(6), 419-424 (1942)
90. The heats of hydrolysis of some halides and oxyhalides of phosphorus.
Charnley T and Skinner HA.
Journal of the Chemical Society, 450-452 (1953)

Questions

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

    1 answer

    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 answer

    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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