Antimony pentachloride

 

Antimony pentachloride

Chemical formula	SbCl5
OTP appearance	pungent, oily, reddish yellow liquid
Index of refraction	1.59255
Molar Mass(g/mol)	299.01
Density(g/cc)	2.336
Melting Point(°C)	2.8
Boiling Point(°C)	140
Solubility in water(g/L)	reacts
NFPA 704	0 3 1 W

Uses

Primary

• Chlorination catalyst

Natural occurrence

• Does not occur naturally

Hazards

• Ingestion leads to severe GI problems.
• Corrosive

Production

Synthesis

• Combine molten antimony with excess chlorine gas in a heated environment

  2 Sb + 5 Cl₂

  {

  →

  80°C}

  2 SbCl₅

Storage

• Keep cool (decomp to antimony trichloride and chlorine gas

  SbCl₅ → SBCl₃ + Cl₂

• Keep dry (decomp to antimony oxychloride and hydrogen chloride)

  SbCl₅ + H₂O → SbOCl₃ + 2 HCl

• Corrodes metals