PHOSPHORUS PENTABROMIDE supplier

Name
PHOSPHORUS PENTABROMIDE
EINECS 232-186-6
CAS No. 7789-69-7
Density 3.610
Solubility Decomposes in water
Melting Point 105-107°C (dec.)
Formula Br5P
Boiling Point 105-107°C
Molecular Weight 430.494
Flash Point 105-107°C
Transport Information UN 2691
Appearance YELLOW TO YELLOW-ORANGE OR ORANGE POWDER, CRYSTALS OR CRYSTALLINE POWDER AND/OR CHUNKS
Safety A poison. Corrosive to the eyes, skin and mucous membranes. Flammable by chemical reaction. Contact with moisture can cause a violent reaction and evolution of heat. Incompatible with water or steam to produce heat and toxic and corrosive fumes. When heated to decomposition it emits highly toxic fumes of PBr₃ + Br₂. See also BROMIDES.
Risk Codes R14;R34
Molecular Structure
Hazard Symbols
Synonyms Phosphorusbromide (6CI,7CI); Phosphorus bromide (PBr5) (8CI); Pentabromophosphorane;Pentabromophosphorus; Phosphoric bromide; Phosphorus pentabromide; Phosphorusperbromide; Phosphorus(V) bromide
PSA 13.59000
LogP 5.08920

Synthetic route

: 7726-95-6
bromine

: 7789-60-8
phosphorus tribromide

: 7789-69-7
phosphorus pentabromide

Conditions

Conditions	Yield
In Petroleum ether at 20℃;
In Petroleum ether at 20℃; for 1h;
In n-heptane Cooling with ice;

: phosphorus

: 7726-95-6
bromine

: 7789-69-7
phosphorus pentabromide

Conditions

Conditions	Yield
with small, harmless explosions;

: 7726-95-6
bromine

: phosphorus pentoxide

A: diphosphorus trioxide

B: 10035-10-6, 12258-64-9
hydrogen bromide

C: 7789-69-7
phosphorus pentabromide

Conditions

Conditions	Yield
In water byproducts: PBr3; with concd. aq. HBr; distn.;
In water byproducts: PBr3; with concd. aq. HBr; distn.;

...Expand

: 10035-10-6, 12258-64-9
hydrogen bromide

A: diphosphorus trioxide

B: 7789-69-7
phosphorus pentabromide

Conditions

Conditions	Yield
With phosphorus pentoxide
With P2O5

: 10035-10-6, 12258-64-9
hydrogen bromide

A: 13455-03-3
P(O)Cl2Br

B: 13550-31-7
P(O)ClBr2

C: 7789-69-7
phosphorus pentabromide

Conditions

Conditions	Yield
With trichlorophosphate byproducts: POBr3; 400 °C over pumice;
With POCl3 byproducts: POBr3; 400 °C over pumice;

...Expand

: phosphorous

A: 7789-60-8
phosphorus tribromide

B: 7789-69-7
phosphorus pentabromide

Conditions

Conditions	Yield
With bromine at room temp.;

: 10035-10-6, 12258-64-9
hydrogen bromide

: 10025-87-3, 12599-09-6, 63736-95-8
trichlorophosphate

A: 13455-03-3
P(O)Cl2Br

B: 13550-31-7
P(O)ClBr2

C: 7789-69-7
phosphorus pentabromide

D: 7789-59-5
phosphorus(V) oxybromide

Conditions

Conditions	Yield
In neat (no solvent) passsing gaseous HBr charged with gaseous POCl3 through tube, filled with pumice and heated to 400 to 500°C;;

...Expand

: 12185-10-3
phosphorus

: 7789-33-5
iodine(I) bromide

A: iodine hexabromophosphate

B: 7789-69-7
phosphorus pentabromide

Conditions

Conditions	Yield
with explosion;

...Expand

: 3931-89-3
thiophosphoryl(V) bromide

: 10026-13-8, 874483-75-7
phosphorus pentachloride

A: 3982-91-0
trichlorothiophosphine

B: 7789-69-7
phosphorus pentabromide

Conditions

Conditions	Yield
In not given react. with PCl5;;
In not given react. of PCl5 with PSBr3;;

...Expand

: Br7Cl3P

A: 13863-41-7
bromine chloride

B: 7789-69-7
phosphorus pentabromide

Conditions

Conditions	Yield
In neat (no solvent) decomposition with either air or CS2 or on warming;;
In neat (no solvent) decomposition with either air or CS2 or on warming;;

: 7789-69-7
phosphorus pentabromide

: 75-05-8
acetonitrile

: 13939-06-5, 199620-15-0
molybdenum hexacarbonyl

: 12073-14-2, 40354-91-4
tungsten bis(acetonitrile) tetrabromide

Conditions

Conditions	Yield
In acetonitrile byproducts: CO, PBr3; addn. of PBr5 to hexacarbonyl suspn. under Ar; emanation of CO, 10 min; pptn.; stirring, 2h; filtration; twofold washing (CH3CN, Et2O); drying (vac.); elem. anal.;	98%

...Expand

: 7789-69-7
phosphorus pentabromide

: 75-05-8
acetonitrile

: 13939-06-5, 199620-15-0
molybdenum hexacarbonyl

: 14219-64-8, 39194-60-0
MoBr3(CH3CN)3

Conditions

Conditions	Yield
In acetonitrile byproducts: CO, PBr3; addn. of PBr5 to hexacarbonyl suspn. under Ar; emanation of CO for a short period of time; pptn.; refluxing, 2h; cooling to room temp.; filtration; evapn.; filtration; washing (Et2O/CH3CN, 1:1); drying (vac.); elem. anal.;	96%
In acetonitrile byproducts: CO, PBr3; addn. of PBr5 in portions to hexacarbonyl suspn. under Ar, room temp., 1h; stirring, 1h; evapn.; pptn.; filtration; washing (Et2O/CH3CN, 1:1); drying (vac.); elem. anal.;	75%

...Expand

: bis(tricarbonyl(η-cyclopentadienyl)tungsten)

: 7789-69-7
phosphorus pentabromide

: 75-05-8
acetonitrile

: acetonitrile(η5-cyclopentadienyl)tetrabromotungsten(V)

Conditions

Conditions	Yield
In acetonitrile byproducts: CO, PBr3; under Ar, air and moisture excluded, addn. of PBr5 in small portions to suspension of complex in CH3CN at room temp. (CO evolves under pptn. of CpWBr4CH3CN, 24h); filtered, washed (ether and CH2Cl2), dried (vac.), elem. anal.;	95%

...Expand

: cyclopentadienylmolybdenum tricarbonyl dimer

: 7789-69-7
phosphorus pentabromide

: 75-05-8
acetonitrile

: acetonitrile(η5-cyclopentadienyl)tetrabromomolybdenum(V)

Conditions

Conditions	Yield
In acetonitrile byproducts: CO, PBr3; under Ar, air and moisture excluded, addn. of PBr5 in small portions to suspension of complex in CH3CN at room temp. (CO evolves under pptn. of CpMoBr4CH3CN, 24h); filtered, washed (ether and CH2Cl2), dried (vac.), elem. anal.;	90%

...Expand

: 14040-11-0
tungsten hexacarbonyl

: 7789-69-7
phosphorus pentabromide

: 75-05-8
acetonitrile

: 12073-12-0, 131725-24-1
MoBr4(CH3CN)2

: 14219-64-8, 39194-60-0
MoBr3(CH3CN)3

Conditions

Conditions	Yield
In acetonitrile byproducts: CO, PBr3; addn. of PBr5 to hexacarbonyl suspn. under Ar; emanation of CO, 10 min; pptn.; stirring, 2h; filtration; twofold washing (CH3CN, Et2O); drying (vac.); tribromo.compd.: evapn. of filtrate; pptn.; washing (Et2O/CH3CN, 1:1); drying (vac.); elem. anal.;	A 87% B 9%

...Expand

: di[(pentamethylcyclopentadienyl)molybdenum]hexacarbonyl

: 7789-69-7
phosphorus pentabromide

: 152046-82-7
C5(CH3)5MoBr4

Conditions

Conditions	Yield
In dichloromethane stoichiometric amounts; reflux for 12 h;; solvent concentration; filtration; washing of the precipitate with cold CH2Cl2; elem. anal.;;	87%

: 111801-35-5
(η4-1,1-dihydro-2,5-diphenylsilacyclopentadiene)tricarbonyliron

: 7789-69-7
phosphorus pentabromide

: 111801-30-0
(η4-exo-1-bromo-endo-1-hydro-2,5-diphenylsilacyclopentadiene)tricarbonyliron

Conditions

Conditions	Yield
In tetrahydrofuran PBr5, THF, -40°C to room temp., 0.5 h;	82%
In tetrahydrofuran solns. allowed to warm from -40°C to room temp., stirred for 0.5h; exclusion of air and moisture; solvent removed (vac.), residue extd. with hexane, filtered, concd., cooled to -20°C;	82%

: 7789-69-7
phosphorus pentabromide

: sodium cyclopentadienide

: 13939-06-5, 199620-15-0
molybdenum hexacarbonyl

: C5H5MoBr4

Conditions

Conditions	Yield
In tetrahydrofuran; dichloromethane under N2: reaction of 7.25 mmol Mo(CO)6 and NaC5H5; removing of THF solvent; extraction with CH2Cl2; filtration; slow addn. to a suspension of 18.1 mmol PBr5 in CH2Cl2; pptn.; refluxing for 1.5 h; filtration;; washing with CH2Cl2;;	76%

...Expand

: bis{tricarbonyl(η5-cyclopentadienyl)chromium}

: 7789-69-7
phosphorus pentabromide

: 75-05-8
acetonitrile

: acetonitrile(η5-cyclopentadienyl)dibromochromium(III)

Conditions

Conditions	Yield
In acetonitrile byproducts: CO, PBr3; under Ar, air and moisture excluded, addn. of PBr5 in three portions to soln. of complex at room temp. (CO evolves), 10h; filtered, concd. in vac., crystn. at 10°C, filtered, washed (ether), dried (vac.), addn. of Et2O to mother liquor further crystals of complex, elem. anal.;	62%

...Expand

: 14219-64-8, 39194-60-0
MoBr3(CH3CN)3

: 7789-69-7
phosphorus pentabromide

: 12073-12-0, 131725-24-1
MoBr4(CH3CN)2

Conditions

Conditions	Yield
In acetonitrile addn. of PBr5 to Mo complex with stirring under Ar; immediate pptn.; stirring, 1h; filtration; washing (CH3CN, Et2O); drying (vac.);	60%

: [(η(5)-C5H5)2(CO)4Mo2(μ-η(2)-P2)]

: 7789-69-7
phosphorus pentabromide

: C12H10Br6Mo2O2P2

Conditions

Conditions	Yield
for 1h; Inert atmosphere;	54%

: 7789-33-5
iodine(I) bromide

: 7789-69-7
phosphorus pentabromide

: 17978-65-3
{PBr4}(1+)*{IBr2}(1-)=PBr6I

Conditions

Conditions	Yield
With tributylmethylammonium bis(trifluoromethanesulfonyl)imide salt at 50℃; for 74h; Inert atmosphere; Schlenk technique; Glovebox;	50%
In tetrachloromethane react. of soln. in CCl4;;
In carbon disulfide mixing satd. soln. in CS2;; impured product;;

: 7789-69-7
phosphorus pentabromide

: 199620-14-9, 13007-92-6
chromium(0) hexacarbonyl

: 75-05-8
acetonitrile

: Cr(3+)*2Br(1-)*Br3(1-)*4CH3CN=CrBr5(CH3CN)4

Conditions

Conditions	Yield
In acetonitrile byproducts: CO, PBr3; five equiv. of PBr5, boiling for 3 h with great excess of PBr5; pptn. on cooling to room temp.;	50%

...Expand

: uranium(III) 2,6-di-tert-butylphenoxide

: 7789-69-7
phosphorus pentabromide

: 157765-85-0
BrU(O(C6H3)(C(CH3)3)2)3

Conditions

Conditions	Yield
In hexane Ar or He, PBr5 added to a soln. of U-compound under stirring, stirred for 3 h; solvent removed under reduced pressure, redissolved (hexane), filtered through Celite, filtrate concd., cooled (-40°C, 24 h), filtered off; elem. anal.;	48%

: 7789-69-7
phosphorus pentabromide

: 4186-63-4
butyltriethylammonium iodide

: 7789-60-8
phosphorus tribromide

Conditions

Conditions	Yield
In neat (no solvent) byproducts: Et4NIBr2; argon atmosphere; org. compd. addn. to PBr5 (cooling to -20°C), reaction vessel connecting to vac. line; PBr3 collection (trap cooled with liq. nitrogen);	42%

: 1065-95-8
octaphenylcyclotetrasilane

: 10035-10-6, 12258-64-9
hydrogen bromide

: 7727-15-3
aluminium bromide

: 7789-69-7
phosphorus pentabromide

: 81626-34-8
Si4Br10

Conditions

Conditions	Yield
In further solvent(s) byproducts: PBr3; PBr5 in CBr4 droped opver 12 h under stirring to Si-compound in CBr4, solvent and PBr3 removed, residue dissolved (benzene), AlBr3 added, HBr bubbled through the soln.; solvent removed; sublimed (160°C, 0.5 Torr); elem. anal.;	39.2%

...Expand

: 7789-33-5
iodine(I) bromide

: 7789-69-7
phosphorus pentabromide

: 2Br4P(1+)*Br7I5(2-)

Conditions

Conditions	Yield
With tributylmethylammonium bis(trifluoromethanesulfonyl)imide salt at 50℃; for 36h; Inert atmosphere; Schlenk technique; Glovebox;	30%

: [(η(5)-C5H5)2(CO)4Mo2(μ-η(2)-P2)]

: 7789-69-7
phosphorus pentabromide

: C14H10Br4Mo2O4P2

Conditions

Conditions	Yield
In dichloromethane for 1h; Inert atmosphere;	29%

: 865-44-1
iodine trichloride

: 7789-69-7
phosphorus pentabromide

: tributylmethylammonium bis(trifluoromethanesulfonyl)imide salt

: 2Cl4P(1+)*Cl2I(1-)*Cl4I(1-)

Conditions

Conditions	Yield
at 50℃; for 12h; Schlenk technique; Inert atmosphere; Glovebox;	20%

...Expand

: 138500-84-2
2,3-dimethyl-glutaric acid-anhydride

: 7726-95-6
bromine

: 7789-69-7
phosphorus pentabromide

α'-bromo-α.β-dimethyl-glutaric acid diethyl ester: α'-bromo-α.β-dimethyl-glutaric acid diethyl ester

Conditions

Conditions	Yield
Behandeln des Reaktionsproduktes mit absol. Alkohol;

...Expand

: 7726-95-6
bromine

: 7789-69-7
phosphorus pentabromide

: 2-isopentyl-3-methyl-succinic acid-anhydride

α-bromo-α-methyl-α'-isopentyl-succinic acid diethyl ester: α-bromo-α-methyl-α'-isopentyl-succinic acid diethyl ester

Conditions

Conditions	Yield
Behandeln des Reaktionsproduktes mit Alkohol; anhydride of/the/ low-melting α-methyl-α'-isopentyl-succinic acid;

...Expand

: 22791-80-6
4,4-dimethyl-tetrahydro-pyran-2-one

: 7789-69-7
phosphorus pentabromide

δ-bromo-β.β-dimethyl-n-valeric acid ethyl ester: δ-bromo-β.β-dimethyl-n-valeric acid ethyl ester

Conditions

Conditions	Yield
Behandeln des Reaktionsprodukts mit absol. Alkohol;

: 22791-80-6
4,4-dimethyl-tetrahydro-pyran-2-one

: 7789-69-7
phosphorus pentabromide

δ-bromo-β.β-dimethyl-n-valeric acid: δ-bromo-β.β-dimethyl-n-valeric acid

Conditions

Conditions	Yield
Behandeln des Reaktionsprodukts mit Wasser;

: 56947-55-8
(+/-)-4-isopropyltetrahydropyran-2-one

: 7789-69-7
phosphorus pentabromide

δ-bromo-β-isopropyl-n-valeric acid ethyl ester: δ-bromo-β-isopropyl-n-valeric acid ethyl ester

Conditions

Conditions	Yield
Behandeln des Reaktionsproduktes mit absol. Alkohol;

: 3709-08-8
3,3'-dimethylbutyrolactone

: 7789-69-7
phosphorus pentabromide

γ-bromo-α.α-dimethyl-butyric acid: γ-bromo-α.α-dimethyl-butyric acid

Conditions

Conditions	Yield
Behandeln des Reaktionsproduktes mit Wasser;

: 3123-97-5
dihydro-5,5-dimethyl-2(3H)-furanone

: 7789-69-7
phosphorus pentabromide

γ-bromo-isocaproic acid ethyl ester: γ-bromo-isocaproic acid ethyl ester

Conditions

Conditions	Yield
Behandeln des Reaktionsprodukts mit absol. Alkohol;

: 944-73-0
1,3-dimethyluric acid

: 7789-69-7
phosphorus pentabromide

: 10025-87-3, 12599-09-6, 63736-95-8
trichlorophosphate

A 1.3-dimethyl-8-bromo-xanthine: 1.3-dimethyl-8-bromo-xanthine

B 1.3-dimethyl-8-chloro-xanthine: 1.3-dimethyl-8-chloro-xanthine

...Expand

: 694-85-9
1-methyl-2-pyridone

: 7789-69-7
phosphorus pentabromide

phosphorus oxybromide: phosphorus oxybromide

: 109-04-6
2-bromo-pyridine

Conditions

Conditions	Yield
at 120 - 130℃;

...Expand

PHOSPHORUS PENTABROMIDE Chemical Properties

IUPAC Name: Pentabromo-λ5-phosphane
Synonyms: Pentabromo phosphorus ; Phosphoric bromide ; Phosphoric (v) bromide ; Phosphorus (v) bromide ; Phosphorus bromide ; Phosphorous (v) bromide ; Phosphorus pentabromide ; Phosphorus perbromide
Product Categories: Bromination;C-X Bond Formation (Halogen);Synthetic Reagents
Molecular Formula: PBr₅
Molecular Weight: 430.49
Molecular Structure:
CAS NO: 7789-69-7
EINECS 232-186-6
Mol File: 7789-69-7.mol
Merck : 14,7350
BRN : 3903332
Melting point: 105-107°C (dec.)
Boiling ponit: 105-107°C
Flashing point: 105-107°C
Sensitive Moisture :Sensitive
Appearance:A yellow crystalline solid

PHOSPHORUS PENTABROMIDE Uses

Phosphorus pentabromide (CAS NO: 7789-69-7) is used as brominating agent in organic synthesis.

PHOSPHORUS PENTABROMIDE Production

Brominating agent and Bromine in slight excess in carbon disulfide for the reaction to obtain crystalline substances, isolated from the solvent. With Nitrobenzene as the solvent for re-crystallization, filtration, obtained Phosphorus pentabromide (CAS NO: 7789-69-7) . Its
PBr₃ + Br₂ → PBr₅

PHOSPHORUS PENTABROMIDE Consensus Reports

Reported in EPA TSCA Inventory.

PHOSPHORUS PENTABROMIDE Safety Profile

A poison. Corrosive to the eyes, skin and mucous membranes. Flammable by chemical reaction. Contact with moisture can cause a violent reaction and evolution of heat. Incompatible with water or steam to produce heat and toxic and corrosive fumes. When heated to decomposition it emits highly toxic fumes of PBr₃ + Br₂. See also BROMIDES.
Hazard Codes C
Risk Statements 14-34
R14 :Reacts violently with water.
R34:Causes burns.
Safety Statements 26-36/37/39-45
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 the label whenever possible.)
RIDADR UN 2691 8/PG 2
WGK Germany 3
HazardClass 8
PackingGroup II

PHOSPHORUS PENTABROMIDE Specification

1.General Description: A yellow crystalline solid that is shipped in sealed containers. Strongly irritating to skin and eyes. Used to make other chemicals.
2.Reactivity Profile: Phosphorus pentabromide (CAS NO: 7789-69-7) 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 (CAS NO: 7789-69-7) emits toxic fumes of bromide and oxides of phosphorus .
3.Health Hazard : corrosive and/or toxic ; inhalation, ingestion or contact (skin, eyes) with vapors, dusts or substance may cause severe injury, burns or death. Fire will produce irritating, corrosive and/or toxic gases. Reaction with water may generate much heat that will increase the concentration of fumes in the air. Contact with molten substance may cause severe burns to skin and eyes. Runoff from fire control or dilution water may cause pollution.
4.Fire Hazard : except for acetic anhydride (un1715), that is flammable , some of these materials may burn, but none ignite readily. May ignite combustibles (wood, paper, oil, clothing, etc.). Substance will react with water (some violently), releasing corrosive and/or toxic gases and runoff. Flammable/toxic gases may accumulate in confined areas (basement, tanks, hopper/tank cars, etc.). Contact with metals may evolve flammable hydrogen gas. Containers may explode when heated or if contaminated with water. Substance may be transported in a molten form.

Product Name

PHOSPHORUS PENTABROMIDE

Synthetic route

PHOSPHORUS PENTABROMIDE Chemical Properties

PHOSPHORUS PENTABROMIDE Uses

PHOSPHORUS PENTABROMIDE Production

PHOSPHORUS PENTABROMIDE Consensus Reports

PHOSPHORUS PENTABROMIDE Safety Profile

PHOSPHORUS PENTABROMIDE Specification

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