Product Overview
n-Heptane 99% is a high-purity aliphatic hydrocarbon solvent widely used in pharmaceutical synthesis, analytical testing, and specialty chemical manufacturing. With its narrow distillation range, low aromatic content, and excellent volatility characteristics, it ensures consistency and reliability in every application.
Technical Specifications
| Parameter | Specification |
|---|
| Density (15°C, g/cm³) | 0.685 – 0.693 |
| Appearance | Clear and colorless |
| Water Content (ppm) | ≤ 50 |
| Saybolt Color | ≥ +30 |
| Copper Corrosion (100°C, 2h) | ≤ 1 |
| Non-volatile Residue (mg/100ml) | ≤ 1 |
| Refractive Index (20°C) | 1.3870 – 1.3890 |
| Aromatic Content (ppm) | ≤ 10 |
| Benzene Content (ppm) | ≤ 2 |
| Sulfur Content (ppm) | ≤ 1 |
| Purity (% m/m) | ≥ 99 |
| 3-Methylhexane (%) | ≤ 0.50 |
| 2-Methylhexane (%) | ≤ 0.20 |
| Methylcyclohexane (%) | ≤ 0.30 |
| Initial Boiling Point (IBP, °C) | ≥ 96 |
| Final Boiling Point (DP, °C) | ≤ 105 |
| Distillation Range (5–95%, °C) | ≤ 1.5 |
These specifications demonstrate excellent batch consistency, low impurity levels, and high solvent performance, ensuring suitability for critical manufacturing environments.
Compliance and Safety Statements
Melamine-Free Statement
No melamine is used during production, and the product contains no melamine residues.
Nitrosamines-Free Statement
n-Heptane is a pure hydrocarbon solvent. No nitrosamine compounds are introduced or present in the product.
Absence of Glycols
This product contains no glycol components.
Absence of Mesylates (Methanesulfonates)
n-Heptane production does not involve any sulfonate compounds; mesylates are confirmed absent.
Genotoxic Impurities Statement
n-Heptane is a single-component hydrocarbon solvent and does not contain any genotoxic impurities.
Absence of Allergens, Aflatoxins, and Additives
Derived from petroleum hydrocarbon distillates, n-Heptane is produced without the addition of allergens, aflatoxins, or food/pharmaceutical additives.
Key Advantages
- High purity (≥99%) for sensitive chemical and pharmaceutical processes
- Extremely low aromatic and sulfur content, ensuring clean performance
- Stable physicochemical properties across production batches
- Fully compliant with industry safety and purity expectations
Applications
- Pharmaceuticals: Extraction, crystallization, and purification
- Fine Chemicals: Reaction solvent and intermediate carrier
- Analytical Laboratories: Chromatographic analysis and sample preparation
- Coatings & Adhesives: Formulation of high-performance systems requiring non-polar solvents
Conclusion
n-Heptane 99% is a premium-grade hydrocarbon solvent that meets the stringent technical and regulatory requirements of modern industries. With consistent purity, verified compliance, and reliable global supply, it is an ideal choice for manufacturers seeking efficiency, safety, and performance in solvent applications.