Description

Natural Gas, Depropanizer Overheads is a specific hydrocarbon fraction derived from the initial processing of natural gas, characterized by its high volatility and gaseous state under standard conditions. This stream is a critical intermediate in the petrochemical and refining industries, valued for its composition of light hydrocarbons, primarily propane and lighter components. It serves as a key feedstock for further separation, fuel blending, and as a raw material for olefin production, meeting the needs of energy, chemical manufacturing, and industrial fuel sectors globally.

Application

• Petrochemical Feedstock: Primary raw material for steam crackers to produce ethylene, propylene, and other light olefins.
• Fuel Gas & Blending Component: Used directly as a high-energy industrial fuel or blended into pipeline natural gas and liquefied petroleum gas (LPG).
• Chemical Synthesis: Serves as a starting material for the production of various chemicals, including solvents and alkylation unit feed.
• Refinery Process Stream: Recycled within refineries to optimize gas plant operations and improve yields of valuable products.
• On-Site Power Generation: Utilized as fuel for combined heat and power (CHP) systems in industrial complexes.

Basic Information

Product Name	Natural Gas, Depropanizer Overheads
CAS No.	125471-83-2
Molecular Formula	Mixture (Primarily C1-C3 hydrocarbons)
Molecular Weight	N/A (Variable mixture)
Synonyms	Depropanizer Overhead Gas; Natural Gas Liquids (NGL) Overheads; C3- Fraction; Light Ends from Depropanizer; Lean Gas (from Deethanizer/Depropanizer); Propane-Rich Gas Stream; Deethanizer Bottoms Overhead (context-dependent); Untreated Deethanized LPG Feed.
EINECS	Contact for details

Quality Control

Our Natural Gas, Depropanizer Overheads is produced and handled under strict process controls to ensure consistent composition and performance. Quality is verified through rigorous analytical testing, including gas chromatography (GC) for component distribution and critical impurity analysis. A Certificate of Analysis (COA) detailing the specific composition, vapor pressure, and other key parameters is provided with each shipment to ensure it meets your process specifications.

Storage

Preserve in a tightly closed container, protected from light. This highly volatile, gaseous mixture must be stored in approved pressurized vessels or dedicated pipeline systems at ambient temperatures, away from heat sources and ignition points. Ensure adequate ventilation in storage areas. Cylinders or tanks should be grounded to prevent static discharge.

Specification

Item	Specification
Appearance	Colorless Gas
Main Components (C3 & Lighter)	≥ 95% (by GC)
Propane Content	40 - 70% (Typical)
Ethane Content	20 - 50% (Typical)
Methane Content	Balance
C4+ Hydrocarbons	≤ 5%
Total Sulfur	≤ 10 ppm (Typical)
Water Content	≤ 50 ppm (v/v)
Vapor Pressure (at 37.8°C)	As per blend composition

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.