Tetrachloroethylene
Tetrachloroethylene (Perchloroethylene, PCE), with the chemical formula C₂Cl₄, is an important chlorinated hydrocarbon solvent. It appears as a colorless, dense liquid with a mild, sweet odor similar to chloroform.
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Product Information

Tetrachloroethylene (Perchloroethylene, PCE), with the chemical formula C₂Cl₄, is an important chlorinated hydrocarbon solvent. It appears as a colorless, dense liquid with a mild, sweet odor similar to chloroform. Its most notable characteristics are non-flammability, high volatility, excellent solvency, and chemical stability. It is the standard solvent used globally in the dry-cleaning industry, often referred to as "dry-cleaning fluid." It is also widely used for degreasing in the metalworking industry. It is important to note that tetrachloroethylene is toxic to humans and environmentally hazardous, requiring use in closed systems and professional recovery.


Product Name (English)Tetrachloroethylene (Perchloroethylene, PCE)
CAS No.127-18-4
Physical Properties- Colorless, non-flammable, heavy liquid with a mild, chloroform-like odor
- Low solubility in water, high solubility for organic compounds
- High density, volatile
- Very stable under normal conditions
Applications- Primary solvent for dry cleaning of fabrics
- Industrial metal degreasing and vapor decreasing
- Chemical intermediate (e.g., for fluorocarbons)
- Solvent for plastics and rubber processing
SpecificationsPurity: ≥99.9%
Boiling Point: 121.1°C
Density: 1.622 g/mL (20°C)
Evaporation Rate: 2.9 (Butyl acetate=1)
Water Content: ≤0.01%
Acidity: ≤0.0005% (as HCl)
Packaging250 KG/drum (galvanized or stainless steel)


Product Nature


  1. Physical Properties:
    · Appearance: Colorless, dense liquid with a mild, sweet, chloroform-like odor
    · Melting Point: -22°C
    · Boiling Point: 121.1°C
    · Density: 1.622 g/mL (20°C) (Much denser than water)
    · Solubility: Very slightly soluble in water; miscible with ethanol, ether, chloroform, benzene, and most organic solvents
    · Refractive Index: 1.505 (20°C)
    · Evaporation Rate: 2.9 (Butyl acetate=1), leaves little residue upon evaporation.

  2. Chemical Properties:
    · Chemically very stable. Resistant to air, water, acids, and bases under normal conditions.
    · Does not decompose below 500°C in the absence of air and catalysts.
    · Can be gradually hydrolyzed by steam under high temperature, UV light, or specific catalysts to form products like trichloroacetic acid.
    · Reacts with strong alkalis at high temperatures to produce toxic phosgene.

Product Usage

  1. Dry Cleaning Solvent: Its primary application, serving as the standard solvent in commercial and industrial dry-cleaning machines, effectively removing greasy stains without damaging fabrics.

  2. Metal Processing: Used for cold cleaning and vapor degreasing of metal parts, providing highly efficient oil and grease removal.

  3. Chemical Intermediate: Acts as a starting material for producing hydrofluorocarbons (HFCs) and other fluorocarbon compounds (e.g., refrigerants).

  4. Industrial Solvent: Used in the processing and molding of plastics and rubber, and as an extractant for oils and tars.

  5. Other Applications: Formerly used as a vermifuge and anthelmintic, now largely replaced.

Safety Matters


  1. Health Hazards:
    · Causes central nervous system depression. Inhalation can cause dizziness, headache, confusion, loss of coordination, and high concentrations can lead to coma or death.
    · Classified by IARC as Group 2A carcinogen (probably carcinogenic to humans). Long-term exposure increases cancer risk, particularly for bladder cancer and some blood cancers.
    · Irritating to eyes and skin. Liquid can defat and dry the skin. Dermal absorption is slow but should be avoided.
    · Can cause damage to the liver and kidneys.

  2. Handling Protection:
    · Must be handled in closed systems or with excellent ventilation to ensure vapor concentrations remain well below occupational exposure limits.
    · Imperative to wear impermeable gloves (e.g., butyl rubber, Viton), chemical safety goggles, and effective organic vapor respiratory protection as needed.
    · Avoid all skin contact and vapor inhalation.
    · Do not eat, drink, or smoke in work area.

  3. Storage & Transportation:
    · Store in a cool, well-ventilated, dry place away from light and heat.
    · Keep containers tightly closed. Ensure ventilation at low levels as vapor is heavier than air.
    · Store separately from active metals (e.g., aluminum, magnesium) and strong bases.
    · Use explosion-proof equipment and grounding. Although non-flammable itself, it can enhance the combustion of other materials.

  4. Fire Fighting:
    · Non-flammable itself, but decomposes upon contact with flame or high temperatures (>300°C), producing highly toxic phosgene and corrosive, irritating fumes like hydrogen chloride.
    · Extinguish fire using CO2, dry powder, or foam. Water is ineffective for extinguishing but can be used to cool exposed containers.
    · Firefighters must wear self-contained breathing apparatus and full protective gear.

FAQ

Q:What are your main products?
A:We specialize in five core areas: general chemicals and food additives, water treatment and disinfection chemicals, oilfield drilling additives, fertilizers and soil conditioners, and solvents and specialty chemicals. We provide one-stop chemical procurement and solutions across multiple industries. 

Q:How do you ensure the consistent quality and reliability of your products?
A:Quality is our cornerstone. We are ISO 9001 certified for quality management, ISO 14001 for environmental management, and ISO 45001 for occupational health and safety. We implement strict quality control throughout the entire process, from raw material procurement to factory delivery, to ensure that every batch of products meets specifications.

Q:Can you provide customized products or solutions based on our specific needs?
A:Of course. We have a dedicated R&D and technical team dedicated to solving our customers' specific challenges. Whether it's adjusting product formulas, developing specific specifications, or customizing solutions for your processes, we are happy to provide customized services. Please provide your specific requirements and our engineers will work with you.

Q:What kind of technical support and after-sales service do you provide if problems arise?
A:We provide comprehensive technical support and after-sales service. We have a dedicated team to assist with everything from product selection guidance and application support to rapid response to after-sales issues. We promise to provide timely and professional feedback on your inquiries to ensure smooth operations.

Q:What is the minimum order quantity (MOQ) and delivery time?
A:To meet the needs of diverse customers, we offer flexible MOQs. The specific MOQ and delivery time depend on the product type and order size. We will provide you with a detailed quote, MOQ, and estimated delivery time within 24 hours of receiving your detailed inquiry.

Q:Do your products comply with international environmental and safety standards?
A:Yes, compliance is a key aspect of our product design. Our product development and production processes strictly adhere to relevant international and regional regulations. We also actively offer product options that comply with standards such as REACH and RoHS, and provide you with detailed Safety Data Sheets (SDS) to ensure safe and compliant use.

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