7789-69-7 Usage
Chemical Properties
yellow crystal(s); -60 mesh with 99.9% purity; decomposed by H2O or alcohol; used as a brominating agent [HAW93] [MER06] [CER91]
Uses
Different sources of media describe the Uses of 7789-69-7 differently. You can refer to the following data:
1. Phosphorus(V) bromide, is used in organic chemistry to convert carboxylic acids to acyl bromides
2. Brominating agent for converting organic acids to acyl bromides.
General Description
A yellow crystalline solid that is shipped in sealed containers. Strongly irritating to skin and eyes. Used to make other chemicals.
Reactivity Profile
PHOSPHORUS PENTABROMIDE is a yellow crystalline compound, toxic and corrosive. Contact with water or steam leads to violent decomposition (hydrolysis) producing toxic and corrosive phosphoryl bromide fumes. When heated to decomposition PHOSPHORUS PENTABROMIDE emits toxic fumes of bromide and oxides of phosphorus [Lewis, 3rd ed., 1993, p. 1033].
Purification Methods
Dissolve it in pure nitrobenzene at 60o, filtering off any insoluble residue on to sintered glass funnel, then allow it to crystallise by cooling. Wash the collected solid with dry Et2O and remove excess ether in a current of dry N2. (All manipulations should be performed in a dry-box.) [Harris & Payne J Chem Soc 3732 1958]. It fumes in moist air because of hydrolysis. HARMFUL VAPOURS (wash burning eyes with aqueous NaHCO3).
Check Digit Verification of cas no
The CAS Registry Mumber 7789-69-7 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 7,7,8 and 9 respectively; the second part has 2 digits, 6 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 7789-69:
(6*7)+(5*7)+(4*8)+(3*9)+(2*6)+(1*9)=157
157 % 10 = 7
So 7789-69-7 is a valid CAS Registry Number.
InChI:InChI=1/Br5P/c1-6(2,3,4)5
7789-69-7Relevant articles and documents
Baxter, G. P.,Moore, C. J.,Boylston, A. C.
, p. 259 - 274 (1912)
Pyridine-bis (oxazoline)("pybox") moiety as a chelator and sensitizer for lanthanide Ion (Ln (III)) luminescence
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Page/Page column 4, (2009/12/04)
This invention relates to novel Ln(III) complexes of pybox, and methods of making the same. The present invention also relates to a method of use of pybox as a chelating moiety and sensitizer for Ln(III) ion luminescence. Derivatives of pybox and methods of making the same are also provided.