Phosphoric tribromide

286.69

286.69

232-177-7

H98H8Y87QQ

1939|2576

DTXSID2064868

COLORLESS CRYSTALS|THIN PLATES, FAINT ORANGE TINT

28129090

26.88000

1.76

White to yellow Lump

2.822 g/cm³

55-56 °C

192.0 °C

189°C

1.613

Decomposes in water

2-8°C

Decomposes with water to produce toxic hydrogen bromide gas

SLOWLY HYDROLYZES IN WATER FORMING PHOSPHORIC ACID & HYDROGEN BROMIDE; AT 758 MM HG IT BOILS AT 193 °C WITH DECOMPOSITION|DECOMPOSES IN COLD WATER

Reacts slowly and exothermically with water to form phosphoric acid and hydrobromic acid [Merck, 11th ed. 1989]. Decomposes exothermically in water to form toxic fumes of hydrobromic and phosphoric acids [Lewis]. Experiments conducted at Argonne showed that HBr gas is generated upon mixing with water. However, it was shown that nearly all of the generated HBr was apparently dissolved into the excess water as rapidly as it formed. So that virtually none of the gas was observed above the solution. "Development of the Table of Initial Isolation and Protective Distances for the 2008 Emergency Response Guidebook", ANL/DIS-09-2, D.F. Brown, H.M. Hartmann, W.A. Freeman, and W.D. Haney, Argonne National Laboratory, Argonne, Illinois, June 2009.

Acyl Halides, Sulfonyl Halides, and Chloroformates

Water-Reactive

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].

II

8

UN 1939 8/PG 2

3

14-34-37

26-36/37/39-43-45-7/8-Neverusewater.

C

Treasury is ventilated, low temperature and dry; stored separately from combustible materials

Corrosive

P280-P305 + P351 + P338-P310

H314

REACTS STRONGLY WITH ORGANIC MATTER|WILL REACT WITH WATER OR STEAM TO PRODUCE TOXIC AND CORROSIVE FUMES.

Excerpt from ERG Guide 137 [Substances - Water-Reactive - Corrosive]: 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. (ERG, 2016)|Corrosives, Reactive - 2nd degree

|Danger|H290 (13.24%): May be corrosive to metals [Warning Corrosive to Metals]|P234, P260, P261, P264, P271, P280, P301+P330+P331, P303+P361+P353, P304+P340, P305+P351+P338, P310, P312, P321, P363, P390, P403+P233, P404, P405, and P501|Aggregated GHS information provided by 68 companies from 8 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.

Excerpt from ERG Guide 137 [Substances - Water-Reactive - Corrosive]: When material is not involved in fire, do not use water on material itself. SMALL FIRE: Dry chemical or CO2. Move containers from fire area if you can do it without risk. LARGE FIRE: Flood fire area with large quantities of water, while knocking down vapors with water fog. If insufficient water supply: knock down vapors only. FIRE INVOLVING TANKS OR CAR/TRAILER LOADS: Cool containers with flooding quantities of water until well after fire is out. Do not get water inside containers. Withdraw immediately in case of rising sound from venting safety devices or discoloration of tank. ALWAYS stay away from tanks engulfed in fire. (ERG, 2016)

Excerpt from ERG Guide 137 [Substances - Water-Reactive - Corrosive]: As an immediate precautionary measure, isolate spill or leak area in all directions for at least 50 meters (150 feet) for liquids and at least 25 meters (75 feet) for solids. SPILL: Increase, in the downwind direction, as necessary, the isolation distance shown above. FIRE: If tank, rail car or tank truck is involved in a fire, ISOLATE for 800 meters (1/2 mile) in all directions; also, consider initial evacuation for 800 meters (1/2 mile) in all directions. (ERG, 2016)

Excerpt from ERG Guide 137 [Substances - Water-Reactive - Corrosive]: Fully encapsulating, vapor-protective clothing should be worn for spills and leaks with no fire. Do not touch damaged containers or spilled material unless wearing appropriate protective clothing. Stop leak if you can do it without risk. Use water spray to reduce vapors; do not put water directly on leak, spill area or inside container. Keep combustibles (wood, paper, oil, etc.) away from spilled material. SMALL SPILL: Cover with DRY earth, DRY sand or other non-combustible material followed with plastic sheet to minimize spreading or contact with rain. Use clean, non-sparking tools to collect material and place it into loosely covered plastic containers for later disposal. Prevent entry into waterways, sewers, basements or confined areas. (ERG, 2016)

Excerpt from ERG Guide 137 [Substances - Water-Reactive - Corrosive]: Wear positive pressure self-contained breathing apparatus (SCBA). Wear chemical protective clothing that is specifically recommended by the manufacturer. It may provide little or no thermal protection. Structural firefighters' protective clothing provides limited protection in fire situations ONLY; it is not effective in spill situations where direct contact with the substance is possible. (ERG, 2016)

THE BASIC VENTILATION METHODS ARE LOCAL EXHAUST AND DILUTION OR GENERAL VENTILATION.

/GUIDE 137: SUBSTANCES - WATER-REACTIVE - CORROSIVE/ Health: 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 which 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. /Phosphorus oxybromide; Phosphorus oxybromide, molten; Phosphorus oxybromide, solid/|/GUIDE 137: SUBSTANCES - WATER-REACTIVE - CORROSIVE/ Fire or Explosion: ... 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. 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. /Phosphorus oxybromide; Phosphorus oxybromide, molten; Phosphorus oxybromide, solid/|/GUIDE 137: SUBSTANCES - WATER-REACTIVE - CORROSIVE/ Public Safety: CALL Emergency Response Telephone Number ... . As an immediate precautionary measure, isolate spill or leak area in all directions for at least 50 meters (150 feet) for liquids and at least 25 meters (75) feet for solids. Keep unauthorized personnel away. Stay upwind. Keep out of low areas. Ventilate enclosed areas. /Phosphorus oxybromide; Phosphorus oxybromide, molten; Phosphorus oxybromide, solid/|/GUIDE 137: SUBSTANCES - WATER-REACTIVE - CORROSIVE/ Protective Clothing: Wear positive pressure self-contained breathing apparatus (SCBA). Wear chemical protective clothing that is specifically recommended by the manufacturer. It may provide little or no thermal protection. Structural firefighters' protective clothing provides limited protection in fire situations ONLY; it is not effective in spill situations where direct contact with the substance is possible. /Phosphorus oxybromide; Phosphorus oxybromide, molten; Phosphorus oxybromide, solid/|For more DOT Emergency Guidelines (Complete) data for PHOSPHORUS OXYBROMIDE (8 total), please visit the HSDB record page.

No person may /transport,/ offer or accept a hazardous material for transportation in commerce unless that person is registered in conformance ... and the hazardous material is properly classed, described, packaged, marked, labeled, and in condition for shipment as required or authorized by ... /the hazardous materials regulations (49 CFR 171-177)./|The International Air Transport Association (IATA) Dangerous Goods Regulations are published by the IATA Dangerous Goods Board pursuant to IATA Resolutions 618 and 619 and constitute a manual of industry carrier regulations to be followed by all IATA Member airlines when transporting hazardous materials.|The International Maritime Dangerous Goods Code lays down basic principles for transporting hazardous chemicals. Detailed recommendations for individual substances and a number of recommendations for good practice are included in the classes dealing with such substances. A general index of technical names has also been compiled. This index should always be consulted when attempting to locate the appropriate procedures to be used when shipping any substance or article.

Strong irritant to skin & tissues.

Excerpt from ERG Guide 137 [Substances - Water-Reactive - Corrosive]: 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. (ERG, 2016)

Excerpt from ERG Guide 137 [Substances - Water-Reactive - Corrosive]: Ensure that medical personnel are aware of the material(s) involved and take precautions to protect themselves. Move victim to fresh air. Call 911 or emergency medical service. Give artificial respiration if victim is not breathing. Do not use mouth-to-mouth method if victim ingested or inhaled the substance; give artificial respiration with the aid of a pocket mask equipped with a one-way valve or other proper respiratory medical device. Administer oxygen if breathing is difficult. Remove and isolate contaminated clothing and shoes. In case of contact with substance, immediately flush skin or eyes with running water for at least 20 minutes. For minor skin contact, avoid spreading material on unaffected skin. Removal of solidified molten material from skin requires medical assistance. Keep victim calm and warm. Effects of exposure (inhalation, ingestion or skin contact) to substance may be delayed. (ERG, 2016)

SYMPTOMATOLOGY (...INGESTION OR SKIN CONTACT): 1. CORROSION OF MUCOUS MEMBRANES OF MOUTH, THROAT...ESOPHAGUS, WITH...PAIN & DYSPHAGIA. NECROTIC AREAS...GRAYISH WHITE BUT SOON...BLACKISH DISCOLORATION (YELLOW IN CASE OF NITRIC ACID) & SOMETIMES SHRUNK OR WRINKLED TEXTURE. 2. EPIGASTRIC PAIN...MAY BE ASSOC WITH NAUSEA & VOMITING...INTENSE THIRST. 3. CIRCULATORY COLLAPSE...CLAMMY SKIN, WEAK & RAPID PULSE, SHALLOW RESP...SCANTY URINE. ...SHOCK IS OFTEN...CAUSE OF DEATH. 4. ASPHYXIAL DEATH DUE TO GLOTTIC EDEMA. /ACIDS/|SYMPTOMATOLOGY.../INGESTION/: 5. ULCERATION OF ALL MEMBRANES & TISSUES WITH WHICH ACID COMES IN CONTACT. ULCERATED AREAS OFTEN PERFORATE, LEADING TO MEDIASTINITIS & PERITONITIS. 6. LATE ESOPHAGEAL, GASTRIC & PYLORIC STRUCTURES & STENOSIS...MAY REQUIRE...SURGICAL REPAIR, SHOULD BE ANTICIPATED. PERMANENT SCARS MAY...APPEAR IN CORNEA, SKIN & OROPHARYNX. 7. UNCORRECTED CIRCULATORY COLLAPSE OF SEVERAL HR...MAY LEAD TO RENAL FAILURE & ISCHEMIC LESIONS IN LIVER & HEART. /ACIDS/

Phosphoric tribromide: ACTIVE

Fire Hazards -> Corrosives, Reactive - 2nd degree