Applications of Carbon Tetrachloride in Industrial Manufacturing

Carbon tetrachloride is a high-purity chlorinated solvent widely used in several chemical and industrial production chains. As the manufacturer, we support global industries with stable supply and stringent quality controls for all downstream integration requirements.

1. Feedstock in CFC and HCFC Synthesis

Producers in the refrigerant and foam-blowing sectors rely on carbon tetrachloride as a chlorinated feedstock for manufacturing chlorofluorocarbons (CFC-11, CFC-12) and hydrochlorofluorocarbons (HCFC-21, HCFC-22) through catalytic fluorination. Our material feeds into dedicated fluorination reactors, where stringent process controls are critical to limit impurities affecting both product purity and process safety. Downstream users adjust quantity by chlorine/fluorine balance, optimizing yield and minimizing side reactions. Differing regional restrictions on CFC/HCFC use require precise compliance documentation from our plant to the end producer.

Industry compliance standards

• Montreal Protocol on Substances that Deplete the Ozone Layer
• European Union Regulation (EC) No 1005/2009
• United States Clean Air Act Section 612 (SNAP Program)
• China MEE guidelines on ozone-depleting substances

Typical usage ratio

• Feedstock input: 0.9–1.2 tonne CCl₄ per tonne of CFC/HCFC output, adjusted according to fluorine charge and reactor efficiency

Downstream process integration

• Charged at initial reaction stage in halogen exchange reactors for direct fluorination
• Mixes with anhydrous hydrogen fluoride in nickel or silver-catalyzed vessels

Final product types

• Refrigerants (R11, R12, R22)
• Blowing agents for polyurethane foams
• Aerosol propellants (where permitted)

2. Intermediate for Chlorinated Solvent Production (Perchloroethylene, Trichloroethylene)

Industrial solvent producers utilize carbon tetrachloride as a key intermediate for synthesizing perchloroethylene and trichloroethylene through high-temperature vapor-phase chlorination or catalytic dechlorination. Our manufacturing offers low moisture and low non-volatile residue formulations, enabling high selectivity and reducing corrosion within downstream reactors. Plants regularly optimize charge levels based on desired solvent output, conversion targets, and required solvent grade.

Industry compliance standards

• REACH (EC) No 1907/2006 registration and authorization for imported/exported solvents
• US TSCA compliance for workplace and environmental safety
• GB 26376-2010 (China) – Industrial trichloroethylene product standard
• ISO 9391:1997 for perchloroethylene technical standards

Typical usage ratio

• Chlorinated solvent formation: 70–95% CCl₄ content in feed mixture, depending on reactor design and conversion method

Downstream process integration

• Charged into vapor-phase continuous chlorinators or catalytic reactors
• Operates under controlled pressure and oxygen-free atmosphere to maximize yield

Final product types

• Perchloroethylene (dry cleaning, metal degreasing)
• Trichloroethylene (industrial cleaning, extraction solvents)

3. Laboratory and Analytical Reagent Manufacturing

Analytical reagent producers incorporate carbon tetrachloride as a halogenated solvent carrier in formulations certified for chromatography and NMR spectroscopy. Strict batch documentation, trace metal analysis, and water content verifications are essential. Concentration in blends must meet target levels for untampered baseline and solvent suppression applications. Batch record linkage and retained sample storage are industry norms to support traceability.

Industry compliance standards

• ISO/IEC 17025:2017 for laboratory use reagents
• ACS Reagent Grade requirements
• JIS K8554:2011 (Japan) – Laboratory solvents specification
• GLP (Good Laboratory Practice) for traceability and documentation

Typical usage ratio

• Solvent blends: 5–25% for extraction mixtures; 100% in neat use for spectroscopy

Downstream process integration

• Direct dispense into solvent mixing tanks for analytical-grade production
• Inline dehydration and filtration steps to control residual water and particulates

Final product types

• HPLC, NMR, and GC solvents
• Reference standards and titration mixtures

4. Pesticide and Agrochemical Synthesis

Pesticide manufacturers select carbon tetrachloride as a chlorinating agent and organic reaction solvent when producing certain herbicides and fungicides. Factories maintain dual containment systems to prevent VOC release; process engineers monitor reaction completeness to safeguard both worker safety and product batch-to-batch reliability. Traceability of the raw material to source plant and gas chromatography fingerprinting are typical customer audit requirements.

Industry compliance standards

• FAO/WHO Specifications for Plant Protection Products
• EPA 40 CFR Part 180 (US tolerance exemptions)
• China GB 2763-2021 Maximum Residue Limits for Pesticides
• ISO 9001:2015 Quality Management for batch release

Typical usage ratio

• 10–30% as solvent or reagent phase, dependent on reaction type and downstream isolation process

Downstream process integration

• Charged into chlorination or coupling reactors
• Separated by distillation prior to formulation of technical concentrate

Final product types

• Triazine herbicides
• Phenoxy acid fungicides
• Other specialty chlorinated agrochemicals

5. Oil & Gas Industry: Degreasing and Catalyst Regeneration

Oil refineries and catalyst service organizations use carbon tetrachloride as a strong degreasing agent for critical components and as a regeneration solvent for spent catalysts. The process requires high-purity grades with low sulfur and unsaturated chlorinated compounds to minimize plant contamination and maximize equipment longevity. Quantities are determined based on equipment surface area and contamination level, with full tracking for post-use reclamation or incineration. Plant operations maintain isolated storage to avoid cross-contamination with flammable solvents.

Industry compliance standards

• API Specification 682 (Pumps: Shaft Sealing Systems)
• OSHA 29 CFR 1910.119 for process safety management
• ASTM D2547 for solvent-based equipment cleaning procedures
• ISO 14001 Environmental Management for handling and waste

Typical usage ratio

• Degreasing operations: 15–35 liters per m² of metal surface, adjusted for residual loading and equipment type

Downstream process integration

• Recirculated through spray or immersion equipment cleaning stations
• Used in catalyst wash columns under controlled atmosphere

Final product types

• Catalyst-ready equipment
• Cleaned refinery components (valves, pumps, exchangers)

6. Pharmaceutical API Synthesis (Process Chemical, Not as Excipient)

Pharmaceutical API plants occasionally use carbon tetrachloride as a process solvent or chlorinating agent in early synthetic steps, followed by removal and validated residue testing. This application demands GMP-compliant, ultra-low impurity grades, full batch traceability, and stringent documentation for solvent handling and waste. Each campaign undergoes pre-approval for solvent use as allowed by finished drug regulations. All relevant ICH, USP, and EMA impurity limits must be met before shipment release.

Industry compliance standards

• ICH Q3C: Impurities – Residual Solvents guideline
• US FDA cGMP (21 CFR Part 211)
• EU GMP Directives (EudraLex Volume 4)
• Chinese Pharmacopoeia API production requirements

Typical usage ratio

• Stage-1 synthesis: 5–15% in reaction solution; fully removed during API purification

Downstream process integration

• Added directly to chlorination or alkylation reactors at initial stages
• Purified off via multi-step distillation and solvent recovery

Final product types

• Chlorinated pharmaceutical intermediates
• API crude for further refinement