Home › Chemicals › Carbon Tetrachloride CAS 56-23-5: Carbon Tetrachloride (CCl4) Identity CAS Number 56-23-5 Molecular Formula CCl4 IUPAC Name tetrachloromethane Molecular Weight 153.82 g/mol SMILES ClC(Cl)(Cl)ClSynonyms tetrachloromethane, CTC, Halon 104, R-10
2D Structure
Physical Properties Density 1.594 g/mL at 25°C Boiling Point 76.7°C Melting Point -22.9°C Flash Point None°C Vapor Pressure 11.9 kPa at 20°C Refractive Index nD = 1.461 Dielectric Constant ε = 2.2
Safety & GHS Classification GHS06 Health Hazard GHS09
H301: Toxic if swallowed H311: Toxic in contact with skin H331: Toxic if inhaled H331: Toxic if inhaled H351: Suspected of causing cancer H373: May cause damage to organs through prolonged or repeated exposure (liver, kidneys) H410: Very toxic to aquatic life with long lasting effects Storage: Store in well-ventilated area. Largely banned from consumer products (Montreal Protocol). Known hepatotoxin — chronic exposure causes severe liver damage. Use only in enclosed systems with proper ventilation. PPE required.
Material Compatibility Matrix Plastics Material Rating PTFE Excellent PVC Poor PE Poor PP Fair PEEK Excellent PVDF Good
Rubbers Material Rating Viton Excellent NBR Fair EPDM Good Silicone Good FKM Excellent
Metals Material Rating Stainless 316 Excellent Aluminum Good Copper Good Brass Good
Applications Fire extinguisher (historical — banned) Dry cleaning solvent (historical) Refrigerant (historical) Laboratory solvent (limited use) Chemical intermediate (CFC production) Pesticide fumigant (historical) Semiconductor manufacturing (limited) External References: PubChem
Print SDS Sheet
Related Chemicals