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Send EmailSlack Wax, Heavy Wax, Dewaxed Residue, Paraffin Slack Wax, 64742-61-6
🧾 Slack Wax (CAS: 64742-61-6) – Technical Description
🔹 Chemical Identity
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English Name: Slack Wax
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INCI Name: Not applicable (non-cosmetic grade)
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Definition: Slack Wax is a complex mixture of high molecular weight hydrocarbons obtained by solvent dewaxing of lubricating oil stocks or distillation of waxy crude oils. It typically contains straight and branched aliphatic chains above C20.
🧾 Alias / Trade Names
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Slack Wax
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Crude Wax
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Heavy Wax
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Dewaxed Residue
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Paraffin Slack Wax
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Base Oil Wax
🧾 Slack Wax (CAS: 64742-61-6) – Technical Summary
🔹 Chemical Identity
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Name: Slack Wax (Petroleum)
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CAS Number: 64742-61-6
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EC Number: 265-165-5
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Classification: UVCB (Unknown or Variable composition, Complex reaction products, or Biological materials)
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Structure: Complex mixture of saturated straight and branched hydrocarbons, predominantly >C20
🧪 Physical & Chemical Properties
| Property | Value / Range |
|---|---|
| Appearance | Light brown, semi-solid |
| Melting Point | 45 – 65 °C |
| Boiling Point | >280 °C |
| Flash Point | >200 °C |
| Density | ~0.89–0.91 g/cm³ |
| Solubility | Insoluble in water; soluble in organic solvents |
| Oil Content | 5–30% (varies by grade) |
🧪 Physical & Chemical Properties
| Property | Value / Range |
|---|---|
| Appearance | Light brown, semi-solid |
| Melting Point | 45 – 65 °C |
| Boiling Point | >280 °C |
| Flash Point | >200 °C |
| Density | ~0.89–0.91 g/cm³ |
| Solubility | Insoluble in water; soluble in organic solvents |
| Oil Content | 5–30% (varies by grade) |
| Classification | UVCB – Complex petroleum-derived substance |
⚙️ Sector Compatibility Table
| Sector | Suitability | Notes |
|---|---|---|
| 🧪 Plastics / PVC | ✅ | Used as paraffin additive, viscosity modifier, mold release agent |
| 🕯️ Candle Manufacturing | ✅ | Blended with paraffin for industrial candle formulations |
| 🎨 Coating / Packaging | ✅ | Impregnation and water-repellent barrier for wood and cardboard |
| 💄 Cosmetics | ❌ | Not suitable; requires further refining for cosmetic applications |
| 💊 Pharmaceuticals | ❌ | Not pharmaceutically compliant |
| 🍬 Food Contact | ❌ | Not approved for direct food contact |
