Arsenic tribromide

Arsenic tribromide
Names
	Preferred IUPAC name Arsenic tribromide
	Systematic IUPAC name Tribromoarsane
	Other names Arsenic(III) bromide; Arsenous bromide, Arsenicum Bromatum, Tribromoarsine
Identifiers
CAS Number	7784-33-0 ;
3D model (JSmol)	Interactive image;
ChemSpider	22973 ;
ECHA InfoCard	100.029.143
EC Number	232-057-4;
PubChem CID	24569;
RTECS number	CG1375000;
UNII	41CN475O7F ;
CompTox Dashboard (EPA)	DTXSID4064840 ;
	InChI InChI=1S/AsBr3/c2-1(3)4 Key: JMBNQWNFNACVCB-UHFFFAOYSA-N ; InChI=1S/AsBr3/c2-1(3)4 Key: JMBNQWNFNACVCB-UHFFFAOYSA-N; InChI=1/AsBr3/c2-1(3)4 Key: JMBNQWNFNACVCB-UHFFFAOYAH;
	SMILES Br[As](Br)Br;
Properties
Chemical formula	AsBr3
Molar mass	314.634 g/mol
Appearance	white to pale yellow crystalline solid
Density	3.54 g/cm3
Melting point	31.1 °C (88.0 °F; 304.2 K)
Boiling point	221 °C (430 °F; 494 K)
Solubility in water	soluble, partial hydrolysis indicated by fumes
Magnetic susceptibility (χ)	-106.0·10−6 cm3/mol
Refractive index (nD)	2.3
Hazards
	NIOSH (US health exposure limits):
PEL (Permissible)	[1910.1018] TWA 0.010 mg/m3
REL (Recommended)	Ca C 0.002 mg/m3 [15-minute]
IDLH (Immediate danger)	Ca [5 mg/m3 (as As)]
Related compounds
Related compounds	Phosphorus tribromide; arsenic trichloride
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). verify (what is ?) Infobox references

Arsenic tribromide is an inorganic compound with the formula As Br₃, it is a bromide of arsenic. Arsenic is a chemical element that has the symbol As and atomic number 33. This pyramidal molecule is the only known binary arsenic bromide. AsBr₃ is noteworthy for its very high refractive index of approximately 2.3. It also has a very high diamagnetic susceptibility.^[2] The compound exists as colourless deliquescent crystals that fume in moist air.

^ ^a ^b ^c NIOSH Pocket Guide to Chemical Hazards. "#0038". National Institute for Occupational Safety and Health (NIOSH).
^ CRC handbook of Chemistry and Physics, CRC Press

[PGCH-1] NIOSH Pocket Guide to Chemical Hazards. "#0038". National Institute for Occupational Safety and Health (NIOSH).

[:0-2] CRC handbook of Chemistry and Physics, CRC Press

[1]

[2]

Names

Preferred IUPAC name Arsenic tribromide
Systematic IUPAC name Tribromoarsane
Other names Arsenic(III) bromide Arsenous bromide, Arsenicum Bromatum, Tribromoarsine
Identifiers
CAS Number	7784-33-0^Y
3D model (JSmol)	Interactive image
ChemSpider	22973^Y
ECHA InfoCard	100.029.143
EC Number	232-057-4
PubChem CID	24569
RTECS number	CG1375000
UNII	41CN475O7F^Y
CompTox Dashboard (EPA)	DTXSID4064840
InChI InChI=1S/AsBr3/c2-1(3)4^Y Key: JMBNQWNFNACVCB-UHFFFAOYSA-N^Y InChI=1S/AsBr3/c2-1(3)4 Key: JMBNQWNFNACVCB-UHFFFAOYSA-N InChI=1/AsBr3/c2-1(3)4 Key: JMBNQWNFNACVCB-UHFFFAOYAH
SMILES Br[As](Br)Br
Properties
Chemical formula	AsBr₃
Molar mass	314.634 g/mol
Appearance	white to pale yellow crystalline solid
Density	3.54 g/cm³
Melting point	31.1 °C (88.0 °F; 304.2 K)
Boiling point	221 °C (430 °F; 494 K)
Solubility in water	soluble, partial hydrolysis indicated by fumes
Magnetic susceptibility (χ)	-106.0·10⁻⁶ cm³/mol
Refractive index (n_D)	2.3
Hazards
NIOSH (US health exposure limits):
PEL (Permissible)	[1910.1018] TWA 0.010 mg/m³^[1]
REL (Recommended)	Ca C 0.002 mg/m³ [15-minute]^[1]
IDLH (Immediate danger)	Ca [5 mg/m³ (as As)]^[1]
Related compounds
Related compounds	Phosphorus tribromide arsenic trichloride
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Y verify (what is ^YN ?) Infobox references