Organic Chemical Pentane 99% CAS 109-66-0 Blowing Agent and Solvent

n-Pentane (normal pentane) is a straight-chain alkane hydrocarbon with the formula C₅H₁₂. It is a clear, colourless, highly volatile liquid that is practically insoluble in water and miscible with most organic solvents. Its low boiling point and clean evaporation behaviour make it the standard physical blowing agent for polystyrene foam production and a useful industrial solvent.

N-Pentane Properties:

Chemical Formula: C5H12
Molecular Weight: 72.15 g/mol
Appearance: Colorless, clear liquid
Boiling Point: 36.1 °C – Highly Volatile
Melting Point: -129.8 °C
Solubility: Practically insoluble in water; miscible with most organic solvents.

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Applications of Organic Chemical N-Pentane：

Primarily used as a blowing agent for polystyrene foam. n-Pentane is employed to expand polystyrene beads into foam products such as expanded polystyrene (EPS) insulation boards, packaging materials, and extruded polystyrene (XPS) foam boards.

Solvent: N-Pentane 99% is widely used across various industrial solvent applications, including: laboratory solvents, industrial cleaning, chemical reactions.

Safety and Handling Information

n-Pentane is an extremely flammable liquid:

• GHS hazard classification: flammable liquid, category 1 (H224 - extremely flammable liquid and vapour).
• Flash point ≈ -49°C (closed cup); explosion limits in air approximately 1.4–7.8 vol%.
• UN number 1265 (Pentanes); it is lighter than water and its vapour is heavier than air - vapour may travel to distant ignition sources.
• Handle only with adequate ventilation, away from ignition sources, with bonding and grounding for transfer operations; use explosion-proof electrical equipment in the handling area.
• Vapour inhalation causes narcosis at high concentrations; use respiratory protection where exposure limits may be exceeded.
• Consult the Safety Data Sheet (SDS) before use, storage or transport, and comply with applicable dangerous-goods and workplace regulations.

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Packaging and Supply

Available with customizable labels and packaging, including OEM/ODM service. n-Pentane is a highly flammable liquid and must be transported and stored in accordance with dangerous-goods regulations.
 

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Established in 2021, Tianjin Gnee Biotech Co., Ltd. (abbreviation: GNEE BIO) is a professional chemical supplier serving global markets with a focus on industrial solvents, chlorinated solvents, oxygenated solvents, aromatic hydrocarbons, glycols, and other chemical raw materials.

With continuous development and industry experience, we have established ourselves as a reliable chemical supplier, providing one-stop sourcing solutions and professional services to customers worldwide.

Q1. What are your payment terms?

A: We accept T/T, L/C at sight, and other agreed payment methods. For large orders, a common option is 30% deposit by T/T and 70% balance before shipment. Payment terms can be discussed based on the order quantity and customer requirements.

Q2. What is your delivery time?

A: Usually 15–20 days after receiving the deposit, depending on the product, order quantity, packaging, and shipping schedule.

Q3. Do you test the products before delivery?

A: Yes. We conduct quality checks before shipment and can provide COA, MSDS, TDS, and other relevant documents according to the product and customer requirements.

Q4. How do you ensure long-term cooperation?

A: We focus on consistent product quality, competitive pricing, reliable supply, and responsive service. We value every customer and aim to build long-term business relationships based on trust and mutual benefit.

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