Phosphorus tribromide
Names
[ CAS No. ]:
7789-60-8
[ Name ]:
Phosphorus tribromide
[Synonym ]:
phosphorus(III) bromide
MFCD00011436
PBr3
EINECS 232-178-2
Phosphorus tribromide
tribromophosphine
Phosphorous bromide
Phosphorous tribromide
UNII-58R3866PUA
Chemical & Physical Properties
[ Density]:
2.88 g/mL at 20 °C(lit.)
[ Boiling Point ]:
172.9±9.0 °C at 760 mmHg
[ Melting Point ]:
-40 °C
[ Molecular Formula ]:
Br3P
[ Molecular Weight ]:
270.686
[ Flash Point ]:
172.9°C
[ Exact Mass ]:
267.728760
[ PSA ]:
13.59000
[ LogP ]:
4.34
[ Vapour Pressure ]:
1.7±0.3 mmHg at 25°C
[ Index of Refraction ]:
n20/D 1.697(lit.)
[ Stability ]:
Stable, but reacts violently with water. Incompatible with moisture, strong bases, strong oxidizing agents, reactive metals, acids, alcohols.
[ Water Solubility ]:
reacts
[ Freezing Point ]:
-40℃
MSDS
Toxicological Information
CHEMICAL IDENTIFICATION
- RTECS NUMBER :
- TH4460000
- CHEMICAL NAME :
- Phosphorus tribromide
- CAS REGISTRY NUMBER :
- 7789-60-8
- LAST UPDATED :
- 199710
- DATA ITEMS CITED :
- 3
- MOLECULAR FORMULA :
- Br3-P
HEALTH HAZARD DATA
ACUTE TOXICITY DATA
- TYPE OF TEST :
- LDLo - Lowest published lethal dose
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- 50 mg/kg
- TOXIC EFFECTS :
- Behavioral - somnolence (general depressed activity) Behavioral - muscle weakness Lungs, Thorax, or Respiration - dyspnea
- REFERENCE :
- NTIS** National Technical Information Service. (Springfield, VA 22161) Formerly U.S. Clearinghouse for Scientific & Technical Information. Volume(issue)/page/year: OTS0555394
Safety Information
[ Symbol ]:
GHS05, GHS07
[ Signal Word ]:
Danger
[ Hazard Statements ]:
H314-H335
[ Supplemental HS ]:
Reacts violently with water.
[ Precautionary Statements ]:
P261-P280-P305 + P351 + P338-P310
[ Target Organs ]:
Blood, Central nervous system, Liver
[ Personal Protective Equipment ]:
Faceshields;full-face respirator (US);Gloves;Goggles;multi-purpose combination respirator cartridge (US);type ABEK (EN14387) respirator filter
[ Hazard Codes ]:
C:Corrosive
[ Risk Phrases ]:
R14;R34;R37;R40
[ Safety Phrases ]:
S26-S45-S36/37-S36/37/39
[ RIDADR ]:
UN 3264 8/PG 2
[ WGK Germany ]:
2
[ RTECS ]:
TH4460000
[ Packaging Group ]:
II
[ Hazard Class ]:
8
[ HS Code ]:
2827590000
Synthetic Route
Precursor & DownStream
Precursor
DownStream
Customs
[ HS Code ]: 2827590000
Articles
Nature Chemistry 7 , 562-8, (2015)
'Roaming' is a new and unusual class of reaction mechanism that has recently been discovered in unimolecular dissociation reactions of isolated molecules in the gas phase. It is characterized by frust...