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Abstract:
n-Heptane (CAS 142-82-5; EC 205-563-8) is a registered substance under the European Union’s REACH regulation, enabling its safe and compliant use across diverse industries. As a mono-constituent substance of petroleum origin, n-Heptane is registered for tonnage bands exceeding 1,000 tonnes per year, ensuring wide availability for European buyers. The REACH registration dossier highlights its extensive applications, including as a solvent in manufacturing, a fuel additive, a component in coatings and adhesives, and in laboratory processes. Businesses sourcing n-Heptane in the EU should request REACH certificates, Safety Data Sheets (SDS), and confirmation of tonnage coverage from suppliers to guarantee regulatory compliance. For downstream users, verifying that specific applications are covered in the supplier’s dossier is crucial, while importers must ensure valid registration via their EU-based entity or Only Representative. With its robust regulatory framework and versatile uses, n-Heptane is positioned as a reliable, compliant, and high-value solvent and process material in the European market.

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n-Heptane and REACH Registration in the EU

n-Heptane has been successfully registered under the EU’s REACH regulation (Registration, Evaluation, Authorisation and Restriction of Chemicals). The registration process ensures that the substance complies with stringent European standards for safety, environmental impact, and responsible use.

• Identifiers:
  • CAS Number: 142-82-5
  • EC Number: 205-563-8
  • Typical Registration Number Format: 01-2119457603-38-xxxx
• Substance Type:
  n-Heptane is registered as a mono-constituent substance, most commonly of petroleum origin.
• Tonnage Band:
  Registrations cover >1,000 tonnes per year, reflecting its broad industrial demand.

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Industrial Applications of n-Heptane

The versatility of n-Heptane makes it an essential material across multiple European industries. Key applications include:

• Solvent in manufacturing processes – widely used in adhesives, coatings, and extraction processes.
• Fuel and fuel additives – supporting clean combustion and blending.
• Cleaning agents – valued for its efficiency in dissolving oils and greases.
• Laboratory applications – as a reference solvent and calibration standard.
• Formulations – incorporated into paints, coatings, and industrial adhesives.

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Compliance Documentation for Buyers

To ensure smooth operations and full compliance, buyers in the EU should request the following documents from suppliers:

1. REACH Certificate – official proof that the product is registered under REACH.
2. Safety Data Sheet (SDS) – including the REACH registration number and hazard/safety guidance.
3. Confirmation of Tonnage Coverage – assurance that the supplier’s registration covers the required quantity and intended use.

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Obligations for Buyers in the EU

• Downstream Users:
  Businesses that use n-Heptane in production must confirm that their applications are included in the supplier’s registration dossier. The SDS will provide this detail.
• Importers:
  If n-Heptane is imported from outside the EU, the responsibility for REACH registration lies with the importer. Alternatively, the non-EU manufacturer can appoint an “Only Representative” to manage registration on their behalf. In both cases, importers should obtain the valid REACH registration number.

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Conclusion

With full REACH registration, n-Heptane is a reliable and compliant material for European industries. Its wide-ranging applications, regulatory approval, and high-volume availability position it as a critical solvent and process chemical. By sourcing from trusted suppliers and ensuring the proper documentation, buyers can secure both regulatory compliance and uninterrupted supply.

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Keywords:
n-Heptane, REACH compliance, European market, solvent, coatings, adhesives, fuel additive, laboratory applications, CAS 142-82-5, EC 205-563-8

High-purity n-Heptane (≥99%) has established itself as a critical solvent in diverse industrial applications, ranging from pharmaceuticals and chemical synthesis to precision cleaning and laboratory research. Its exceptional purity, combined with ultra-low levels of contaminants, ensures optimal performance and safety across demanding processes.

With increasing global regulatory requirements, such as the European Union REACH (Registration, Evaluation, Authorisation and Restriction of Chemicals) regulation, high-purity chemical products now require compliance for entry into major markets, including Europe and Japan. REACH compliance not only guarantees legal market access but also reflects a company’s commitment to safety, environmental responsibility, and product quality.

Key Features and Advantages

Ultra-High Purity n-Heptane ≥99% ensures minimal interference in chemical reactions and formulations. Low Benzene (<1 ppm) and low aromatic content (<10 ppm) guarantee safety, regulatory compliance, and suitability for sensitive applications. Superior Chemical Performance Provides excellent solvency for non-polar compounds. Ideal for applications requiring consistent evaporation rates and minimal residue. Compatible with a variety of chemical systems, supporting both laboratory-scale and industrial-scale processes. Reliable and Consistent Supply Produced under stringent quality control to maintain batch-to-batch consistency. Packaged and delivered in secure containers to preserve purity during transport. Supports large-scale operations while providing small sample sizes for testing and evaluation. Global Compliance: REACH and Beyond REACH Overview: The EU REACH regulation, effective since June 1, 2007, governs the registration, evaluation, authorisation, and restriction of chemicals to protect human health and the environment. Registration: Companies must register chemical substances with the European Chemicals Agency (ECHA) to legally market products in the EU. Evaluation: ECHA evaluates submitted dossiers and chemical substances to ensure compliance and safety. Authorisation & Restriction: Certain substances require explicit authorisation for use, and hazardous chemicals may be restricted or banned. Applicability: REACH covers chemical substances across industries, including chemical manufacturing, electronics, automotive, construction, consumer products, healthcare, and more. Enhancement: Our high-purity n-Heptane complies with REACH standards, ensuring safe and legal entry into Europe and Japan, while demonstrating adherence to the highest international safety and environmental regulations. Versatile Applications Pharmaceuticals: Active ingredient extraction and purification. Electronics: Precision cleaning and solvent applications. Coatings and Adhesives: High-quality formulations requiring pure solvents. Laboratory Use: Analytical and research-grade solvent for controlled experiments.

Why Choose Our n-Heptane

Guaranteed Purity: Ensures your processes remain unaffected by impurities. Consistent Quality: Reliable batch-to-batch uniformity supports industrial-scale operations. Safe and Compliant: Low benzene and aromatic content reduce health and environmental risks; fully compliant with REACH regulations. Flexible Packaging: From small iron can samples to bulk ISO tanks, meeting all operational needs. Trusted Global Supply: Enables businesses to confidently operate in international markets without quality compromise.

Conclusion

High-purity n-Heptane ≥99% is a cornerstone for industries that demand precision, reliability, and safety. Coupled with REACH compliance, our products provide manufacturers and laboratories with:

Legal and safe access to European and Japanese markets Consistent performance and high-quality end products Compliance with international environmental and safety standards

By choosing high-purity n-Heptane, businesses ensure superior process performance, regulatory confidence, and long-term reliability, making it an indispensable solvent for global industrial applications.

As of April 25, 2025, the market price of industrial-grade n-Hexane, 60% in China remained at RMB 8,500/ton (~USD 1,160/ton), with zero fluctuation observed during the 11-day period from April 14 to April 25. This stability highlights several underlying features and trends within the domestic hexane market.

I. Analysis of Price Stability

The rare “zero-volatility” trend during this period may be attributed to a combination of the following factors:

1. Supply-Demand Equilibrium: The current balance between supply and demand in the chemical sector appears strong. Neither seasonal variations nor unexpected disruptions (such as transportation issues) occurred. Downstream procurement remained steady, and upstream production capacity experienced no major adjustments.

2. Cost and Policy Support: The cost of producing n-Hexane—linked to feedstocks like crude oil and natural gas—remained stable, preventing cost-driven price shifts. In addition, government oversight or industry coordination may have contributed to market stability by discouraging price surges that could pressure manufacturing costs.

II. Industry Context

This data reflects trends specific to the Chinese market and must be interpreted in the broader context of the industry:

• Demand Structure: n-Hexane is widely used as a solvent and chemical intermediate, especially in coatings, adhesives, and rubber processing. Its relatively low demand elasticity means usage doesn’t rapidly rise or fall. The current stability may indicate a flat downstream demand or improved efficiency reducing per-unit consumption. Notably, rising demand for high-purity solvents in the new energy sector (e.g., lithium battery adhesives) has not yet significantly impacted this traditional hexane segment.

• Market Competition: The domestic n-Hexane market is likely dominated by leading local producers, with moderate pressure from imports. Price stability suggests a relatively balanced and cautious competitive environment.

III. Risk Outlook: What Could Disrupt This Balance?

Despite the short-term calm, the following risks could cause price shifts:

1. Upstream Volatility: A surge in global crude oil prices—driven by geopolitical events or OPEC policy—could increase production costs and exert upward pressure on n-Hexane pricing.

2. Environmental and Regulatory Pressures: Stricter environmental regulations may cause plant shutdowns or capacity reductions, tightening supply. Carbon reduction targets could also increase costs for feedstock processing methods such as gas-to-olefins (GTO).

3. Substitution Risk: As VOC (Volatile Organic Compound) regulations tighten, alternatives like Isopentane may gain market share, diverting demand from traditional n-Hexane products.

IV. Strategic Recommendations

To navigate current conditions and prepare for potential changes, businesses should consider:

• Procurement Strategy: Continue just-in-time purchasing in the short term. Mid- to long-term, build a pricing alert system focusing on crude oil futures and policy developments.

• Production Efficiency: Chemical producers should optimize processes to reduce energy consumption and offset potential cost hikes. Explore high-value downstream applications such as electronic-grade solvents to enhance product margins.

• Market Diversification: Closely monitor regional demand within China. While national data shows stability, local pricing may vary due to logistics and other regional dynamics. Flexible resource allocation is key.

V. Long-Term Outlook

This current period of price stability may be temporary. Two key forces will shape the long-term trajectory:

1. Global energy transitions and their ripple effect on petrochemical chains.

2. Industrial upgrading in China, especially the shift toward high-end chemical materials.

If the new energy industry accelerates, demand for specialty solvents could surge, possibly triggering a structural transformation of the n-Hexane market. On the other hand, continued stagnation in traditional sectors may narrow future price fluctuations even further.

In summary, the stable price of n-Hexane, 60% in recent weeks is the result of balanced supply-demand dynamics, cost control, and a cautious market environment. Industry players should adopt a dynamic and flexible strategy to respond to potential disruptions and long-term transformation opportunities.

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