Phosphorus tribromide

Modify Date: 2024-01-02 12:21:27

Phosphorus tribromide Structure
Phosphorus tribromide structure
Common Name Phosphorus tribromide
CAS Number 7789-60-8 Molecular Weight 270.686
Density 2.88 g/mL at 20 °C(lit.) Boiling Point 172.9±9.0 °C at 760 mmHg
Molecular Formula Br3P Melting Point -40 °C
MSDS Chinese USA Flash Point 172.9°C
Symbol GHS05 GHS07
GHS05, GHS07
Signal Word Danger

 Names

Name Phosphorus tribromide
Synonym More Synonyms

 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℃

 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
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

 Customs

HS Code 2827590000

 Articles1

More Articles
Roaming-mediated ultrafast isomerization of geminal tri-bromides in the gas and liquid phases.

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...

 Synonyms

phosphorus(III) bromide
MFCD00011436
PBr3
EINECS 232-178-2
Phosphorus tribromide
tribromophosphine
Phosphorous bromide
Phosphorous tribromide
UNII-58R3866PUA
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