Phosphorus oxybromide

Price	USD1.00
Packge	1KG

Product Details

Product NamePhosphorus oxybromide
CAS No.7789-59-5
EINECS No.232-177-7
MFBr3OP
MW286.69
AppearanceLumpWhite to yellow
Boiling point 192 °C(lit.)
Melting point 56 °C(lit.)
Water Solubility decomposes
density 2.82 g/mL at 25 °C(lit.)
storage temp. Store below +30°C.

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Phosphorus oxybromide Basic information

Chemical properties Toxicity Application Preparation Category Flammability and Hazardous characteristics Storage characteristics warehouse Fire extinguishing agent

Product Name:	Phosphorus oxybromide
Synonyms:	Phosphorus oxybromide, 98+%;Phosphorus(V) tribromide oxide/ 98+%;Phosphorus(V) oxybro;Phosphorus(V) oxybroM;Phosphoryl TribroMide (Phosphorus oxybroMide);Phosphorus oxybroMide SynonyMs Phosphorus oxide broMide;Formylmelphalan;Phosphoryl bromide for synthesis
CAS:	7789-59-5
MF:	Br3OP
MW:	286.69
EINECS:	232-177-7
Product Categories:	metal oxyhalide
Mol File:	7789-59-5.mol

Phosphorus oxybromide Chemical Properties

Melting point	56 °C(lit.)
Boiling point	192 °C(lit.)
density	2.82 g/mL at 25 °C(lit.)
Fp	189°C
storage temp.	2-8°C
form	Lump
color	White to yellow
Water Solubility	decomposes
Sensitive	Moisture Sensitive
Merck	14,7348
CAS DataBase Reference	7789-59-5(CAS DataBase Reference)
NIST Chemistry Reference	Phosphorus tribromide oxide(7789-59-5)
EPA Substance Registry System	Phosphoric tribromide(7789-59-5)

Safety Information

Hazard Codes	C
Risk Statements	14-34-37
Safety Statements	26-36/37/39-43-45-7/8-Neverusewater.
RIDADR	UN 1939 8/PG 2
WGK Germany	3
F	10-21
Hazard Note	Corrosive
TSCA	Yes
HazardClass	8
PackingGroup	II
Hazardous Substances Data	7789-59-5(Hazardous Substances Data)

MSDS Information

Provider	Language
SigmaAldrich	English
ALFA	English

Phosphorus oxybromide Usage And Synthesis

Chemical properties	It appears as colorless or pale orange crystal with irritating odor. It has a relative density of 2.822, melting temperature of 56 °C, the boiling point of 191.7 ℃ and the evaporation heat of 38 Kj/mol. It is soluble in ether, benzene, chloroform, carbon disulfide, concentrated sulfuric acid. It can be slowly hydrolyzed to phosphoric acid and HBr in water.
Toxicity	It has similar toxicity to the phosphorus oxychloride. It can react with water, emitting a white smoke-like, irritant and corrosive hydrogen bromide gas which has strong irritation to the eyes, mucous membranes and skin. The patients having inhaled of the vapor or smoke should be sent away from the contaminated area for rest and keeping warm. If eyes are irritated, rinse with water. Upon severe cases, send for medical treatment. Upon skin contact, first rinse with water, and then thoroughly wash with soap. If burned, go for medical treatment. Upon mistakenly administration, immediately gargle and immediately go to the hospital for treatment.
Application	During the chemical process, it can be used as an intermediate and used as the raw materials for manufacturing the bromine flame retardant.
Preparation	Phosphorus oxychloride method: take phosphorus oxychloride as raw material and aluminum trichloride as the catalyst, upon heating at about 80 ℃, introduce hydrogen bromide gas for reaction, generating tribromo phosphorus. The reaction is: POC13 + 3HBr → POBr3 + 3HCl ↑ The produced hydrogen chloride gas during the reaction, after being absorbed by water, can produce dilute hydrochloric acid. Phosphorus tribromide method: to a round bottom flask equipped with a reflow condenser, add the mixture of phosphorus pentabromide and phosphorus pentoxide (250 g of PBr5/about 30 g of P2O5) and heat slowly to 150 ° C. Phosphorus pentoxide is a bit more than the phosphorus pentabromide in stoichiometry. At this time, one the one hand, pay attention to expel the bromine out; on the other hand, make sure that the reaction is completed within 5h. Then, 10 g of bromine and equivalent amount of phosphorus pentoxide were added to the melt and refluxed at 150 ° C for several hours. This is because it takes time for the intermediate product, phosphorus tribromide, to be oxidized to phosphorus pentabromide and transited to tribromonic phosphorus. The resultant was subjected to vacuum distillation under reduced pressure. After removing the initial distillate and the phosphorus tribromide contained therein, the trapping was carried out. The receiver is cooled with ice brine to generate tribromo phosphorus. Its reaction is: 3PBr5 + P2O5 → 5POBr3
Category	corrosive items
Flammability and Hazardous characteristics	It is subject to decomposition upon coming across water, generating toxic hydrogen bromide gas.
Storage characteristics warehouse	ventilated, low temperature and dry; it should be stored separately from combustible product.
Fire extinguishing agent	Dry powder
Chemical Properties	colorless to grey-brown crystals or fused mass
General Description	A colorless crystalline solid or liquid if heated above 133° F with a pungent odor. Phosphorus oxybromide is commonly heated and shipped in a molten state. Soluble in water, but, decomposed by water to hydrobromic and phosphoric acid with evolution of heat. Reacts with organic materials to cause fire. Evolves highly toxic and corrosive gases when exposed to fire. Corrosive to metals and tissue. Used to make other chemicals.
Reactivity Profile	Phosphorus oxybromide is incompatible with water, strong oxidizing agents, alcohols, bases, including amines. May react vigorously or explosively if mixed with diisopropyl ether or other ethers in the presence of trace amounts of metal salts [J. Haz. Mat., 1981, 4, 291].
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.
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.

Company Profile Introduction

Henan CoreyChem Co., Ltd, based on the original Zhengzhou Cote Chemical Research Institute, be brave in absorbing highly educated talents & overseas returnees; actively responded to Zhengzhou City High-tech Zone Government’s Special Care Policy, reorganized and founded in National University of Science and Technology Park, which is a high-tech, stock enterprise of high-end chemical Custom synthesis;The park was created by the People's Government of Henan Province, and proved by Ministry of Education and the National Science & Technology, taking the construction mode of "many college a park, and common development", mainly depends on Zhengzhou University and Henan University’s scientific research and talent advantage to set up Universities, scientific research institute and enterprise scientific research achievements transformation platform, to make high-tech enterprises incubate, is the new high-tech talent gathering base, high and new technology industry enterprise radiation base, colleges and universities technological innovation base.

Henan Coreychem Co., Ltd, facing global High-tech pharmaceutical raw materials, high complex new type intermediates, fine chemicals custom synthesis, scale-up production and Rare chemicals trade. Corey have well-equipped machine, strong technical force and considerate marketing team service. We also have rich experience advantage in basic research, small scale process development, scale-up, industrial technology development & production and cost control.

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Product Details

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