ChemicalBook >> CAS DataBase List >>ANTIMONY(V) CHLORIDE


Chemical Name:
SbCl5;ANTIMONY PENTACHLORIDE;ANTIMONY CHLORIDE;Antimoine;Antimonio;Butter of antimony;Antimonpentachlorid;antimonyperchloride;Pentachloroantimony;pentachloro-stibine
Molecular Formula:
Molecular Weight:
MDL Number:
MOL File:
Modify Date:2022-08-15 17:39:51


Melting point 2.8 °C(lit.)
Boiling point 92 °C30 mm Hg(lit.)
Density 2.36 g/mL at 25 °C(lit.)
vapor density >10.2 (vs air)
vapor pressure 0.13 psi ( 55 °C)
refractive index 1.601
Flash point 79°C/22mm
solubility Soluble in HCl, chloroform, carbon tetrachlorideMiscible with chloroform, hydrochloric acid, tartaric acid, carbon disulfide and carbon tetrachloride.
form Liquid
Specific Gravity 2.336
color Red-yellow
Odor offensive odor
Water Solubility Soluble in water (react), chloroform, hydrochloric acid, and carbon tetrachloride.
Sensitive Moisture Sensitive
Merck 14,695
Stability Stable, but reacts with moisture and water. Releases highly toxic fumes if involved in a fire.
CAS DataBase Reference 7647-18-9(CAS DataBase Reference)
EWG's Food Scores 1
FDA UNII 0S9308207L
EPA Substance Registry System Antimony pentachloride (7647-18-9)


Risk and Safety Statements

Signal word  Danger
Hazard statements  H314-H411
Precautionary statements  P260-P273-P280-P303+P361+P353-P304+P340+P310-P305+P351+P338
Hazard Codes  T,N,C
Risk Statements  34-51/53-40-23/24/25-14-62-48/20-63
Safety Statements  26-45-61-36/37/39-23
RIDADR  UN 1731 8/PG 3
WGK Germany  2
RTECS  CC5075000
HazardClass  8
PackingGroup  II
Toxicity LD50 orl-rat: 1115 mg/kg HYSAAV 29(12),16,64
NFPA 704
3 1

ANTIMONY(V) CHLORIDE price More Price(31)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich 8.07837 Antimony(V) chloride for synthesis 7647-18-9 25ML $84.1 2022-05-15 Buy
Sigma-Aldrich 8.07837 Antimony(V) chloride for synthesis 7647-18-9 100ML $276 2022-05-15 Buy
Sigma-Aldrich 338877 Antimony(V) chloride ≥99.99% trace metals basis 7647-18-9 25g $163 2022-05-15 Buy
Sigma-Aldrich 215171 Antimony(V) chloride 99% 7647-18-9 250g $103 2022-05-15 Buy
Alfa Aesar 041978 Antimony(V) chloride 99% 7647-18-9 50g $57.7 2021-12-16 Buy
Product number Packaging Price Buy
8.07837 25ML $84.1 Buy
8.07837 100ML $276 Buy
338877 25g $163 Buy
215171 250g $103 Buy
041978 50g $57.7 Buy

ANTIMONY(V) CHLORIDE Chemical Properties,Uses,Production

Chemical Properties

Antimony pentachloride is a noncombustible, colorless to reddish-yellow oily liquid with an offensive odor.

Chemical Properties

colourless to light yellow oily liquid

Physical properties

Antimony pentachloride is prepared by passing chlorine gas into molten antimony trichloride:
SbCl3 + Cl2 →SbCl5
or by the reaction of the element with excess chlorine:
2 Sb + 5 Cl2 → 2 SbCl5.


Antimony(V) chloride is used as a catalyst and an analytical reagent for testing alkaloids and cesium. It is also used as a polymerization catalyst as well as involved in the chlorination of organic compounds. It acts as a Lewis acid and a strong oxidizing agent.


As catalyst when replacing a fluorine substituent with chlorine in organic compounds.

General Description

A reddish-yellow fuming liquid with a pungent odor. Fumes are irritating to the eyes and mucous membranes. Solidifies at 37°F. Corrosive to metals and tissue. Used to make other chemicals, and in chemical analysis.

Air & Water Reactions

Fumes in air to form hydrochloric acid. Reacts with water to yield heat and antimony pentaoxide (Sb2O5) and hydrochloric acid [Merck 11th ed. 1989].

Reactivity Profile

Acidic salts, such as ANTIMONY PENTACHLORIDE, are generally soluble in water. The resulting solutions contain moderate concentrations of hydrogen ions and have pH's of less than 7.0. They react as acids to neutralize bases. These neutralizations generate heat, but less or far less than is generated by neutralization of inorganic acids, inorganic oxoacids, and carboxylic acid. They usually do not react as either oxidizing agents or reducing agents but such behavior is not impossible. Many of these compounds catalyze organic reactions.


Corrosive, fumes in moist air, reacts strongly with organics.

Health Hazard

Inhalation causes irritation of nose and throat. Contact of liquid with eyes or skin causes severe burns. Ingestion causes vomiting and severe burns of mouth and stomach. Overexposure by any route can cause bloody stools, slow pulse, low blood pressure, coma, convulsions, cardiac arrest.

Fire Hazard

Behavior in Fire: Irritating fumes of hydrogen chloride given off when water or foam is used to extinguish adjacent fire.

Safety Profile

Poison by ingestion. Corrosive. Mutation data reported. See ANTIMONY COMPOUNDS and ANTIMONYPII) CHLORIDE. When heated to decomposition it emits very toxic fumes of Cland Sb.

Potential Exposure

It is used in dyeing, coloring metals and in many organic chemical reactions as a catalyst.


UN1730 (liquid) Antimony pentachloride, liquid, Hazard class: 8; Labels: 8-Corrosive material. UN1731 (solution) Antimony pentachloride, solutions, Hazard class: 8; Labels: 8-Corrosive material.


Decomposes on contact with heat, acids, alkalis, ammonia, water or other forms of moisture producing fumes of hydrogen chloride and antimony. Decomposes above 77 C forming chlorine and antimony trichloride. Attacks many metals in the presence of moisture forming explosive hydrogen gas. Reacts with air forming corrosive vapors.

Waste Disposal

Encapsulate and transfer to an approve landfill. If chemically treated and neutralized, the chemical is amenable to biological treatment at municipal sewage treatment plant. Consult with environmental regulatory agencies for guidance on acceptable disposal practices. Generators of waste containing this contaminant (≥100 kg/ mo) must conform with EPA regulations governing storage, transportation, treatment, and waste disposal.

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