High Purity 1H,1H,7H-Dodecafluoro-1-Heptanol | CAS 335-99-9 for Water & Oil Repellent, Surfactant, Lubricant

TUW-359
High purity 1H,1H,7H-Dodecafluoro-1-Heptanol (CAS 335-99-9). Used in water/oil/stain repellent agents, high-temperature lubricants, fluorinated surfactants, and organic synthesis. Features low surface tension, thermal stability up to ~150°C, and reliable batch-to-batch consistency
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Product Name: 1H,1H,7H-Dodecafluoro-1-Heptanol
Synonyms: Dodecafluoroheptanol, Perfluorohexylmethanol
CAS No.: 335-99-9
EINECS No.: 206-406-6
Molecular Formula: C₇H₄F₁₂O
Molecular Weight: 332.09 g/mol
Appearance: Colorless to light yellow transparent liquid
Purity: ≥97% (GC)

Physical & Chemical Properties:

PropertyValue
Melting Point-20°C
Boiling Point169–170°C
Flash Point169–170°C (closed cup)
Density1.76 g/mL at 20°C
Refractive Index1.316–1.318
SolubilitySlightly soluble in water; miscible with fluorinated solvents
LogP~4.0
pKa12.89 ± 0.10

Key Features:

  • High thermal and chemical stability

  • Low surface tension and good wetting properties

  • Persistent fluorinated chain for durable performance

  • Suitable for industrial and research applications

Applications:

  • Water/Oil/Stain Repellent Agents – Ideal for fabric finishing and protective coatings

  • High-Temperature Lubricants – Stable under extreme conditions

  • Industrial Surfactants – Excellent spreading and wetting properties

  • Organic Synthesis Intermediate – Key building block for fluorinated functional materials

Packaging & Storage:

  • Sealed in HDPE/PTFE or stainless steel containers

  • Store in cool, dry, well-ventilated area

  • Protect from light, heat, and open flames