Product name: n-Heptane
CAS No.: 142-82-5
Synonym: n-Heptane, Heptane
Molecular Formula: C7H16
Molecular Weight: 100.21
EC No.: 205-563-8
UN No.: 1206
1. Chemphysical Properties
Appearance Colorless clear liquid
Odor Gasoline-like mild odor
Density (20℃) 0.683~0.684 g/cm³Boiling Point 98.4 ℃ (760 mmHg)
Melting Point -91 ℃
Flash Point (Closed Cup) -4 ℃Autoignition Temperature 215~223 ℃
Refractive Index (20/D) 1.3855
Vapor Pressure (20℃) 48 hPaVapor Density (Air=1) 3.5
Explosion Limit in Air 1.0 ~7.0 vol%
Solubility in Water Insoluble (2.93 mg/L @25℃)Solubility Miscible with ethanol, ether, chloroform, acetone
2. Quality Specification (Industrial Grade ≥99.0%)
| Test Item | Standard |
|---|---|
| n-Heptane (GC) | ≥99.0% |
| Moisture | ≤0.05% |
| Evaporation Residue | ≤0.005% |
| Acidity (as CH₃COOH) | ≤0.0005% |
| Aromatics | ≤0.1% |
| Sulfur | ≤1 ppm |
3. Application & Use
- Organic synthesis solvent, extraction solvent
- Mobile phase for HPLC, GC reference standard
- Cleaning agent for electronic & metal parts
- Fuel additive, laboratory analytical reagent
- Raw material for rubber & pharmaceutical intermediate
4. Packing
160kg / steel drum
IBC tank (1000kg)
ISO tank for bulk shipment
5. Storage & Transportation
Storage: Keep tightly sealed in cool, dry, well-ventilated warehouse. Away from ignition source, heat, oxidizers. Separate from food chemicals.
Transport: Class 3 Flammable Liquid, Packing Group II. Comply with IMDG / IATA / ADR regulations. Avoid static electricity, direct sunlight.
Shelf Life: 24 months under proper storage.
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