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Cas:7789-69-7
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inquiryTIANFUCHEM-- 7789-69-7--High purity PHOSPHORUS PENTABROMIDE in stock Our company was built in 2009 with an ISO certificate.In the past 10 years, we have grown up as a famous fine chemicals supplier in China And we had established stable bu
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Min.Order:1 Metric Ton
FOB Price: $2000.0
Type:Lab/Research institutions
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high purity lowest priceAppearance:solid or liquid Storage:in sealed air resistant place Package:drum and bag Application:for pharma use Transportation:by sea or air Port:Beijing or Guangzhou
high purity,in stock Package:25kg/drum,or as per customers'demand Application:API,or Intermediates,fine chemicals Transportation:air,sea,courier
high quality Storage:Sealed, dry, microtherm , avoid light and smell. Package:According to the demand of customer Application:Organic synthesis Transportation:by air or by sea
Our clients, like BASF,CHEMO,Brenntag,ASR,Evonik,Merck and etc.Appearance:COA Storage:in stock Application:MSDS/TDS
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Product Description Description & Specification Category Pharmaceutical Raw Materials, Fine Chemicals, Bulk drug Standard Medical standard
Cas:7789-69-7
Min.Order:1 Kilogram
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Phosphorus pentabromide CAS NO.7789-69-7 Application:Phosphorus pentabromide CAS NO.7789-69-7
Supply top quality products with a reasonable price Application:api
Phosphorus pentabromide CAS NO.7789-69-7Appearance:off-white fine crystalline powder Storage:Dry and ventilated Package:Standard or as customer's require Application:intermediates Transportation:By express (Door to door) such as FEDEX, DHL, EMS for s
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inquiryPhosphorus pentabromide supplierAppearance:white to off-white crystalline powder Storage:Keep away of light,cool place Package:25kg/drum;200kg/drum Application:Pharma Intermediate Transportation:Sea/air/courier
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Phosphorus pentabromide CAS NO.7789-69-7 Application:intermediates
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inquiryAntaeus-biotech with Established in July 13668 is a high-technical enterprise which focus on the development of health products. We have excellent professionals, first-class facilities and perfect management system. Through persistent efforts, we con
Phosphorus pentabromide CAS NO.7789-69-7 Application:Phosphorus pentabromide CAS NO.7789-69-7
Cas:7789-69-7
Min.Order:0
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inquiryHas its own laboratory, R & D and production, spot Package:1g Application:As an auxiliary additive, used as medicine, food fine chemical industry
Package:25, 100 g in glass bottle Application:Phosphorus pentabromide (PBr5) is a bromination agent generally used to convert alcohols to bromides and in the dibromination of ketones. PBr5 can also be used as the phosphorus source in the prep...
high purity Application:Drug intermediates Materials intermediates and active molecules
Conditions | Yield |
---|---|
In Petroleum ether at 20℃; | |
In Petroleum ether at 20℃; for 1h; | |
In n-heptane Cooling with ice; |
Conditions | Yield |
---|---|
with small, harmless explosions; |
Conditions | Yield |
---|---|
In water byproducts: PBr3; with concd. aq. HBr; distn.; | |
In water byproducts: PBr3; with concd. aq. HBr; distn.; |
Conditions | Yield |
---|---|
With phosphorus pentoxide | |
With P2O5 |
hydrogen bromide
A
P(O)Cl2Br
B
P(O)ClBr2
C
phosphorus pentabromide
Conditions | Yield |
---|---|
With trichlorophosphate byproducts: POBr3; 400 °C over pumice; | |
With POCl3 byproducts: POBr3; 400 °C over pumice; |
Conditions | Yield |
---|---|
With bromine at room temp.; |
hydrogen bromide
trichlorophosphate
A
P(O)Cl2Br
B
P(O)ClBr2
C
phosphorus pentabromide
D
phosphorus(V) oxybromide
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;; |
Conditions | Yield |
---|---|
with explosion; |
thiophosphoryl(V) bromide
phosphorus pentachloride
A
trichlorothiophosphine
B
phosphorus pentabromide
Conditions | Yield |
---|---|
In not given react. with PCl5;; | |
In not given react. of PCl5 with PSBr3;; |
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;; |
phosphorus pentabromide
acetonitrile
molybdenum hexacarbonyl
tungsten bis(acetonitrile) tetrabromide
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% |
phosphorus pentabromide
acetonitrile
molybdenum hexacarbonyl
MoBr3(CH3CN)3
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% |
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% |
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% |
tungsten hexacarbonyl
phosphorus pentabromide
acetonitrile
MoBr4(CH3CN)2
MoBr3(CH3CN)3
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% |
phosphorus pentabromide
C5(CH3)5MoBr4
Conditions | Yield |
---|---|
In dichloromethane stoichiometric amounts; reflux for 12 h;; solvent concentration; filtration; washing of the precipitate with cold CH2Cl2; elem. anal.;; | 87% |
(η4-1,1-dihydro-2,5-diphenylsilacyclopentadiene)tricarbonyliron
phosphorus pentabromide
(η4-exo-1-bromo-endo-1-hydro-2,5-diphenylsilacyclopentadiene)tricarbonyliron
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% |
phosphorus pentabromide
molybdenum hexacarbonyl
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% |
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% |
MoBr3(CH3CN)3
phosphorus pentabromide
MoBr4(CH3CN)2
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% |
Conditions | Yield |
---|---|
for 1h; Inert atmosphere; | 54% |
iodine(I) bromide
phosphorus pentabromide
{PBr4}(1+)*{IBr2}(1-)=PBr6I
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;; |
phosphorus pentabromide
chromium(0) hexacarbonyl
acetonitrile
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% |
phosphorus pentabromide
BrU(O(C6H3)(C(CH3)3)2)3
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% |
phosphorus pentabromide
butyltriethylammonium iodide
phosphorus tribromide
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% |
octaphenylcyclotetrasilane
hydrogen bromide
aluminium bromide
phosphorus pentabromide
Si4Br10
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% |
Conditions | Yield |
---|---|
With tributylmethylammonium bis(trifluoromethanesulfonyl)imide salt at 50℃; for 36h; Inert atmosphere; Schlenk technique; Glovebox; | 30% |
Conditions | Yield |
---|---|
In dichloromethane for 1h; Inert atmosphere; | 29% |
Conditions | Yield |
---|---|
at 50℃; for 12h; Schlenk technique; Inert atmosphere; Glovebox; | 20% |
2,3-dimethyl-glutaric acid-anhydride
bromine
phosphorus pentabromide
Conditions | Yield |
---|---|
Behandeln des Reaktionsproduktes mit absol. Alkohol; |
Conditions | Yield |
---|---|
Behandeln des Reaktionsproduktes mit Alkohol; anhydride of/the/ low-melting α-methyl-α'-isopentyl-succinic acid; |
4,4-dimethyl-tetrahydro-pyran-2-one
phosphorus pentabromide
Conditions | Yield |
---|---|
Behandeln des Reaktionsprodukts mit absol. Alkohol; |
4,4-dimethyl-tetrahydro-pyran-2-one
phosphorus pentabromide
Conditions | Yield |
---|---|
Behandeln des Reaktionsprodukts mit Wasser; |
(+/-)-4-isopropyltetrahydropyran-2-one
phosphorus pentabromide
Conditions | Yield |
---|---|
Behandeln des Reaktionsproduktes mit absol. Alkohol; |
Conditions | Yield |
---|---|
Behandeln des Reaktionsproduktes mit Wasser; |
Conditions | Yield |
---|---|
Behandeln des Reaktionsprodukts mit absol. Alkohol; |
1,3-dimethyluric acid
phosphorus pentabromide
trichlorophosphate
Conditions | Yield |
---|---|
at 120 - 130℃; |
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