Names
Preferred IUPAC name: Antimony trichloride
Systematic IUPAC nameTrichlorostibane
Other names
Antimony(III) chloride, Butter of antimony, Antimonous chloride, Stibous chloride, Trichlorostibine
Identifiers
CAS Number: 10025-91-9
JSmol: Interactive image
ChEBI: CHEBI:74856
ChemSpider: 23199
ECHA InfoCard: 100.030.031
EC Number: 233-047-2
KEGG: C15235
MeSH: Antimony+trichloride
PubChem: 24814
RTECS number: CC4900000
UNII: J281401KK3
UN number: 1733
Properties
Chemical formula: Cl3Sb
Molar mass: 228.11 g·mol
Appearance: hygroscopic
Odor: Sharp, pungent
Density: 3.14 g/cm (25 °C)
2.51 g/cm (150 °C)33
Melting point: 73.4 °C (164.1 °F; 346.5 K)
Boiling point: 223.5 °C (434.3 °F; 496.6 K)
Solubility in water: 601.1 g/100 mL (0 °C)
985.1 g/100 mL (25 °C)
1.357 kg/100 mL (40 °C)
Solubility: alcohol
Solubility: 143.9 g/100 g (0 °C)
205.8 g/100 g (10 °C)
440.5 g/100 g (25 °C)
693.7 g/100 g (45 °C)
Solubility: 537.6 g/100 g (18 °C)
Solubility: 139.2 g/100 g (15 °C)
169.5 g/100 g (25 °C)
2.76 kg/100 g (70 °C)
Solubility: 20 °C:
8.954 g/ g (4.63% w/w)
8.576 g/ g (14.4% w/w)
7.898 g/ g (36.7% w/w)
Solubility: 69.5 g/100 g (-3.5 °C)
85.5 g/100 g (10 °C)
150 g/100 g (30 °C)
2.17 kg/100 g (70 °C)
Vapor pressure: 13.33 Pa (18.1 °C)
0.15 kPa (50 °C)
2.6 kPa (100 °C)
Magnetic susceptibility: -86.7·10 cm/mol−63
Refractive index: 1.46
Structure
Crystal structure: Orthorhombic
Dipole moment: 3.93 D (20 °C)
Thermochemistry
Specific
heat capacity: 183.3 J/mol·K
Std molar
entropy: 110.5 J/mol·K
Std enthalpy of
formation: -381.2 kJ/mol
Gibbs free energy: -322.5 kJ/mol
Hazards
Safety data sheet: ICSC 1224
GHS pictograms:
GHS signal word: Danger
GHS hazard statements: H314 H411
GHS precautionary statements: P273 P280 P305+351+338 P310
NFPA 704:
Flash point: Non-flammable
LD
median dose: 525 mg/kg (oral, rat)
NIOSH
PEL: TWA 0.5 mg/m (as Sb)3
REL: TWA 0.5 mg/m (as Sb)3
Related compounds
anions: Antimony trifluoride
cations: Nitrogen trichloride
Except where otherwise noted, data are given for materials in their(at 25 °C [77 °F], 100 kPa).Except where otherwise noted, data are given for materials in their(at 25 °C [77 °F], 100 kPa).