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1034-39-5

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Identification

Name
TRIPHENYLPHOSPHINE DIBROMIDE
CAS
1034-39-5
Synonyms
BROMOTRIPHENYLPHOSPHONIUM BROMIDE
DIBROMO TRIPHENYL PHOSPHINE
DIBROMOTRIPHENYLPHOSPHORANE
TRIPHENYLPHOSPHINE DIBROMIDE
dibromotriphenyl-phosphoran
Triphenylphosphine dibromide, ca. 33% bromine
Dibromotriphenylphosphorane,98%
Phosphorane, dibromotriphenyl-
Bromotriphenylphosphonium bromide, Dibromotriphenylphosphorane
Triphenyldibromophosphorane
EINECS(EC#)
213-855-1
Molecular Formula
C18H15Br2P
MDL Number
MFCD00000054
Molecular Weight
422.09
MOL File
1034-39-5.mol

Chemical Properties

Appearance
light yellow to light pink crystalline powder
Melting point 
235 °C (dec.) (lit.)
mp 
235 °C (dec.)(lit.)

storage temp. 
2-8°C

form 
Crystalline Powder
color 
Light yellow to light pink
Water Solubility 
Soluble in water, dichloromethane, acetonitrile, phenyl cyanide, dimethyl formamide, ether, chloroform, alcohol, carbon tetrachloride, acetic acid and carbon disulfide. Sparingly soluble in phenyl chloride, triphenylphosphine and phenyl hydride. Insoluble in aqueous bromine.
Sensitive 
Moisture Sensitive
BRN 
917652
InChIKey
OCXGTPDKNBIOTF-UHFFFAOYSA-N
CAS DataBase Reference
1034-39-5(CAS DataBase Reference)
Storage Precautions
Store under inert gas
EPA Substance Registry System
Phosphorane, dibromotriphenyl- (1034-39-5)

Safety Data

Hazard Codes 
C
Risk Statements 
R34:Causes burns.
Safety Statements 
S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
S36/37/39:Wear suitable protective clothing, gloves and eye/face protection .
S45:In case of accident or if you feel unwell, seek medical advice immediately (show label where possible) .
RIDADR 
UN 3261 8/PG 2

WGK Germany 
3


3-10-21
TSCA 
Yes
HazardClass 
8
PackingGroup 
II
HS Code 
29319019

Raw materials And Preparation Products

Hazard Information

Chemical Properties
light yellow to light pink crystalline powder
Purification Methods
It recrystallises from MeCN/Et2O. Although it has been recrystallised from EtOH, this is not recommended as it converts alcohols to alkyl bromides. It deteriorates on keeping, and it is best to prepare it afresh. [Anderson & Freenor J Am Chem Soc 86 5037 1964, Horner et al. Justus Liebigs Ann Chem 626 26 1959, Beilstein 16 III 864.]

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