Description
Product Name: Chlorine | Cl2 Gas
CAS :7782-50-5
Purity: 3N~5N5
Product specifications: 4L/8L/10L/40L/47L/50L
Product form: Chlorine Cl2
Main use: Chlorine (Cl2): Used for disinfection, bleaching, and chemical production.
Availability : In Stock
What is Chloride (Cl2)?
Chlorine gas is a yellow-green, highly corrosive, and toxic gas with a strong, irritating odor like bleach. It is a reactive chemical element used in water purification, household cleaners, and industrial processes like making plastics and paper. However, it is hazardous, causing irritation to the eyes, throat, and lungs, and can be fatal if inhaled or come into contact with skin. Chlorine is also known for its historical use as a chemical warfare agent.
Certificate of Analysis
| Component | Unit | Specification | |||
| Cl2 | % | ≥ 99.9995 | |||
| N2 | ppm | ≤ 1 | |||
| O2 | ppm | ≤ 0.5 | |||
| CO | ppm | ≤ 0.5 | |||
| CO2 | ppm | ≤ 0.5 | |||
| CH4 | ppm | ≤ 0.1 | |||
| H2 | ppm | ≤ 0.1 | |||
| H2O | ppm | ≤ 1 | |||
| THC (CH4, C2H2, C2H4, C2H6…) |
ppm | ≤ 0.1 | |||
| Total | ppm | ≤ 5 | |||
| Cr | ppb | ≤ 1 | |||
| Cu | ppb | ≤ 5 | |||
| Fe | ppb | ≤ 100 | |||
| Na | ppb | ≤ 10 | |||
| Ni | ppb | ≤ 10 | |||
| Zn | ppb | ≤ 10 | |||
| P | ppb | ≤ 5 |
NOTE : For other grade specification , don’t hesitate to call or contact us tao.hu@asiaisotope.com for more technical details.
Our Chlorine (Cl2) Gas ranging from high to low levels serve Semiconductor Manufacturing and other Chemical plants, gaining their trust ranging from its quality / price / delivery. We know each parameters of product, to solve their questions on site , and pursuit to continue serving clients better.
To conduct our commitment of being a reliable partner to offer solutions when you need specialty gases & Chemicals. Visit us www.asiaisotopeintl.com.

Chlorine | Cl2 Gas
What are applications of Chlorine (Cl2) ?
Chlorine (Cl2) Gas is widely used as a disinfectant for water, sewage, and medical equipment, and as a powerful bleaching agent in the paper, textile, and food industries. It is also a critical component in the manufacturing of numerous chemical products, including PVC plastics, solvents, pesticides, pharmaceuticals, and dyes.
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Water treatment:
Chlorine gas is used to kill germs in drinking water, swimming pools, and industrial water systems, preventing waterborne diseases.
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Industrial processes:
It disinfects water used in food and beverage processing, as well as pulp and paper mill systems.
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Healthcare:Chlorine gas is used to sterilize medical equipment and surfaces, controlling the spread of infections.
Why Choose Our Chlorine Gas?
- Qualified & Approved by Multinational Companies
We are already a trusted and audited supplier to global multinational corporations. Our Chlorine has passed their strict quality, performance, and reliability tests. New customers benefit from this proven track record.
- Superior Purity & Stability
We supply consistent high purity Chlorine (99.999%+ grades) that safeguards your process, protects your equipment, and ensures your final product meets the highest specifications. With tightly controlled impurities—including moisture, oxygen, and trace metals—we eliminate the risk of contamination-related failures and costly production stoppages.
- Reliable & Stable Supply
As a professional supplier, we offer better supply security and scalability compared to traders and middlemen who depend on others for stock.
- Lower Total Cost of Ownership
Direct supply = competitive price + fewer rejections + less downtime + higher yield. You save money where it matters most — not just on the gas price.
- Full Traceability & Compliance
Complete production traceability and international certifications that meet the demanding requirements of semiconductor and pharmaceutical sector.
- Technical Expertise You Can Leverage
We bring real product knowledge to support your specific application—we don’t just sell gas, we help you use it optimally. Our team understands the nuances of Cl2 handling, from cylinder selection and system compatibility to safety protocols and process optimization. Consider us an extension of your engineering team.
- Partnership, Not Just Transaction
We view every customer as a long-term partner. From your first inquiry through ongoing support, you will work with a dedicated account manager who knows your requirements and anticipates your needs. No handoffs, no runarounds—just consistent, personalized service.
- Built on 8+ Years of Global Expertise
We bring depth of experience that few can match. We are not a newcomer—we are a proven, stable, and trusted partner committed to excellence in every cylinder we deliver.
Packaging & Delivery Options
| Cylinder Size | Water Capacity | Gas Volume (approx.) | Typical Use Case |
|---|---|---|---|
| 4L / 8L | Small | 5 Kgs | R&D / Lab |
| 10L | Medium | 12 Kgs | Pilot & Medical |
| 40L – 50L | Large | 60 Kgs | Industrial |
Frequently Asked Questions (FAQs)
Q1: What is the purity level of your Chlorine gas?
A: We produce high purity Chlorine gas up to 99.9995% (5N5) and higher, depending on customer requirements. As the professional supplier, we maintain strict quality control for consistent purity with very low levels of impurities such as oxygen, moisture, and hydrocarbons.
Q2: Are you qualified by multinational companies?
A: Yes. We are an approved and qualified supplier to several global multinational corporations. Our Chlorine has successfully passed their rigorous audits, quality tests, and long-term performance evaluations.
Q3: What industries do you supply Chlorine gas to?
A: We supply high-purity Chlorine for semiconductor and pharmaceutical sector.
Q4: Do you provide certifications and traceability?
A: Yes. Every batch comes with full traceability from production to delivery. We provide necessary certificates including Certificate of Analysis (COA), and comply with ISO 9001 and industry-specific standards.
Q5: Can Chlorine be shipped by air?
A: As a Class 2.3 toxic gas, chlorine is generally prohibited from commercial air transport under IATA Dangerous Goods Regulations. In practice, air freight of chlorine is almost never approved due to its high toxicity and corrosiveness. For commercial quantities, sea freight is the standard and preferred transportation method, subject to IMDG Code requirements such as UN-certified pressure vessels and leak prevention measures.
Q6: Is your Chlorine more expensive than other suppliers?
A: While we focus on premium quality, our price is highly competitive. Customers usually achieve lower total cost of ownership due to fewer batch failures, higher process yield, and reduced downtime.
Q7: What packaging options do you offer?
A: We supply Chlorine in high-pressure cylinders in various sizes to suit from small R&D needs to large industrial volumes.
Q8: How fast can you deliver?
A: Lead time depends on quantity and destination. We maintain strategic stock and have global logistics experience serving multinational customers worldwide.
Q9:How do place an order for Chlorine?
A: Simply contact our sales team via Whatsap & Email for instant conmmunications with your requirements—including desired purity, cylinder size, quantity, and delivery location. We will propose a safe, practical supply plan tailored to your needs.
***** Ready to Order High Purity Chlorine Gas? *****
- Get competitive pricing
- Fast response within 24 hours
- Technical consultation available
Contact Us tao.hu@asiaisotope.com
