Carbon Tetrachloride
Tetrachloromethane · CCl₄ · CAS 56-23-5
CCl₄
Tetrachloromethane
Overview
Carbon tetrachloride (tetrachloromethane, CCl4) is a dense, non-flammable chlorinated solvent and a strategic feedstock for conversion into tetrachloroethylene and fourth-generation refrigerants and foaming agents.
Tetrachloromethane (CCl4) — feedstock for new-generation refrigerants
Chemical Identity
| CAS No. | 56-23-5 |
|---|---|
| Molecular formula | CCl₄ |
| Molecular weight | 153.82 |
| Synonyms | Tetrachloromethane |
| Standard | GB/T 4119-2008 |
Specifications
Values shown in percent (%) unless noted otherwise; “—” indicates no limit for that grade.
GB/T 4119-2008
| Item | Superior | First |
|---|---|---|
| Appearance | Colorless clear liquid, no suspended matter | Colorless clear liquid, no suspended matter |
| Carbon tetrachloride content, % ≥ | 99.80 | 99.50 |
| Chloroform, % ≤ | 0.05 | 0.3 |
| Tetrachloroethylene, % ≤ | 0.03 | 0.1 |
| Moisture, % ≤ | 0.005 | 0.007 |
| Acidity (as HCl), % ≤ | 0.0002 | 0.0008 |
| Color (Pt-Co), max | 15 | 25 |
| Form | Dense, colorless, non-flammable liquid |
|---|---|
| Packaging | 200 L steel drum; tank |
Applications
- Conversion to tetrachloroethylene, methyl chloride or chloroform
- Feedstock for R245fa foaming agent and R236 extinguishing agent
- Raw material for fourth-generation refrigerants and foaming agents R1233zd, R1234ze and the HFO-1234yf chain via pentachloropropane
Packaging & Storage
Packaging
- 200 L steel drum
- Tank
Storage & transport
Store sealed in a cool, dry, ventilated warehouse away from sunlight. Handle strictly under dangerous goods and controlled-substance regulations.
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