Antimony pentachloride

Antimony pentachloride
Names
	IUPAC names Antimony pentachloride; Antimony(V) chloride
	Other names Antimonic chloride; Antimony perchloride
Identifiers
CAS Number	7647-18-9 ;
3D model (JSmol)	Interactive image; Interactive image;
ChemSpider	10613049 ;
ECHA InfoCard	100.028.729
EC Number	231-601-8;
PubChem CID	24294;
RTECS number	CC5075000;
UNII	0S9308207L ;
CompTox Dashboard (EPA)	DTXSID30893043 ;
	InChI InChI=1S/5ClH.Sb/h51H;/q;;;;;+3/p-5 Key: PZVOXSCNPLCIRA-UHFFFAOYSA-I ; InChI=1/5ClH.Sb.3H/h51H;;;;/q;;;;;+3;;;/p-5/r5ClH.H3Sb/h51H;1H3/q;;;;;+3/p-5 Key: KUGFODPTKMDJNG-MEZDTJOHAL; InChI=1/5ClH.Sb/h51H;/q;;;;;+3/p-5 Key: PZVOXSCNPLCIRA-AACRGIKGAS;
	SMILES [Cl-].[Cl-].[Cl-].[Cl-].[Cl-].[SbH3+3]; [SbH3+3].[Cl-].[Cl-].[Cl-].[Cl-].[Cl-];
Properties
Chemical formula	Cl5Sb
Molar mass	299.01 g·mol−1
Appearance	colorless or reddish-yellow (fuming) liquid, oily
Odor	pungent, offensive
Density	2.336 g/cm3 (20 °C); 2.36 g/cm3 (25 °C)
Melting point	2.8 °C (37.0 °F; 275.9 K)
Boiling point	140 °C (284 °F; 413 K) ; decomposes from 106 °C; 79 °C (174 °F; 352 K); at 22 mmHg; 92 °C (198 °F; 365 K); at 30 mmHg
Solubility in water	reacts
Solubility	soluble in alcohol, HCl, tartaric acid, CHCl3, CS2, CCl4
Solubility in selenium(IV) oxychloride	62.97 g/100 g (25 °C)
Vapor pressure	0.16 kPa (25 °C); 4 kPa (40 °C); 7.7 kPa (100 °C)
Magnetic susceptibility (χ)	−120.0·10−6 cm3/mol
Refractive index (nD)	1.59255
Viscosity	2.034 cP (29.4 °C); 1.91 cP (35 °C)
Structure
Molecular shape	Trigonal bipyramidal
Dipole moment	0 D
Thermochemistry
Heat capacity (C)	120.9 J/mol·K (gas)
Std molar; entropy (S⦵298)	295 J/mol·K
Std enthalpy of; formation (ΔfH⦵298)	−437.2 kJ/mol
Gibbs free energy (ΔfG⦵)	−345.35 kJ/mol
Hazards
	Occupational safety and health (OHS/OSH):
Inhalation hazards	Toxic
	GHS labelling:
Pictograms
Signal word	Danger
Hazard statements	H314, H411
Precautionary statements	P273, P280, P305+P351+P338, P310
NFPA 704 (fire diamond)	4 0 2 W; OX
Flash point	77 °C (171 °F; 350 K)
	Lethal dose or concentration (LD, LC):
LD50 (median dose)	1115 mg/kg, (rat, oral)
	NIOSH (US health exposure limits):
PEL (Permissible)	TWA 0.5 mg/m3 (as Sb)
REL (Recommended)	TWA 0.5 mg/m3 (as Sb)
Related compounds
Other anions	Antimony pentafluoride
Other cations	Phosphorus pentachloride
Related compounds	Antimony 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

Antimony pentachloride is a chemical compound with the formula SbCl₅. It is a colourless oil, but typical samples are yellowish due to dissolved chlorine. Owing to its tendency to hydrolyse to hydrochloric acid, SbCl₅ is a highly corrosive substance and must be stored in glass or PTFE containers.