Brand: Greagent
Item code: G23572B
Packing: 500ml
General Information
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Chemical Name: N-Heptane
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Synonyms: Heptane; Normal heptane; Dipropyl methane
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Appearance: Colourless clear liquid
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Boiling Point: 98.0 °C
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Melting Point: -91.0 °C
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Flash Point: -1.1 °C
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Density: 0.68
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Shipping Condition: Ambient temperature
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Storage Condition: Store at room temperature
Identifiers
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CAS No.: 142-82-5
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Molecular Formula: C7H16
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Molecular Weight: 100.2
Hazardous Information
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UN Number: 1206
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Hazard Class: 11-38-50/53-65-67
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Hazard Symbols: F, Xi, N
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Safety Phrases (S): 9-16-29-33-60-61-62-23
Quality Specifications
| Test Item | Specification |
| Assay (C7H16) | ≥ 99.0% |
| Color (Hazen / Pt-Co) | ≤ 20 units |
| Density (20°C) | 0.682 – 0.686 g/mL |
| Refractive Index (n20/D) | 1.386 – 1.389 |
| Residue after Evaporation | ≤ 0.001% |
| Water Content (H2O) | ≤ 0.05% |
| Acidity (as H+) | ≤ 0.001 mmol/g |
| Substances Darkened by H2SO4 | Pass |
| Unsaturated Compounds (as Br) | ≤ 0.01% |
