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Chemical Name: Methyl perfluoroisobutyl ether 
CAS No.: 163702-08-7
Molecular Formula:C5H3F9O
Molecular Structure:

Molecular Weight:250.06
Appearance:colorless transparent liquid
Sample:Free samples are available
Boiling point: 20.0 ± 40.0 ℃ (760 Torr)
Density: 1.500 ± 0.06 g/cm3 (760 Torr at 20 º C)

Product Description

Methyl perfluoroisobutyl ether (CAS: 163702-08-7) is a colorless, transparent, non-flammable, low-toxicity, and eco-friendly fluorinated ether solvent. Its core advantages include low surface tension, low viscosity, fast drying, high insulation, and zero ozone depletion potential. It is widely used in electronics cleaning, heat transfer, precision manufacturing, and daily chemical applications.

Typical Properties

Item Specifications
Purity % ≥99.9
Water content % ≤50×10⁻⁴
Acidity (as HF), ppm ≤5
Non-volatile residue % ≤0.001
Suspended matter or sediment None visible
F-ion, ppm ≤0.01
Cl-ion, ppm ≤0.02

Key Product Features

1. Safety & Eco-friendliness Non-flammable, non-toxic, ODP=0, and low GWP. It complies with environmental regulations and serves as a viable substitute for traditional solvents like trichloroethylene and n-propyl bromide.
2. Superior Cleaning Performance The combination of low surface tension and low viscosity ensures strong cleaning power against oil, flux, particulates, and fingerprints. It dries quickly with no residue, making it ideal for precision cleaning.
3. Insulation & Heat Transfer Features high dielectric strength, allowing for live-line cleaning (cleaning while energized). Its high heat transfer efficiency makes it suitable as an electronic fluorinated fluid or immersion liquid cooling medium.
4. Moderate Solvency Exhibits good solvency for fluorocarbons, silicone oils, and greases, while showing weak solvency for polar substances. This makes it perfect for selective cleaning and formulated solvent applications.
5. Stability Possesses strong chemical inertness; it is resistant to acids and alkalis and does not decompose easily, ensuring stable performance during long-term use.

Major Application Areas

1. Electronics & Semiconductor
  • Precision Cleaning: Cleaning, rinsing, and dehydration of wafers, chips, PCBs, FPCs, connectors, and sensors.
  • Process Support: Cleaning and drying for semiconductor etching, testing, and packaging processes.
  • Component Maintenance: Cleaning for electronic components, optical lenses, laser heads, hard drives, and medical electronics.
  • Thermal Management: Immersion liquid cooling for data centers; heat transfer fluid for server and chip cooling.
  • Coating Solvents: Solvent for anti-fingerprint coatings and fluoropolymer coatings on electronic displays.
2. Industrial & Precision Manufacturing
  • Component Cleaning: Precision cleaning of automotive electronics and medical device components.
  • Surface Treatment: Degreasing, dewaxing, and oxide removal for metals, glass, and ceramics.
  • Optical Processing: Water-free cleaning and drying of optical lenses, prisms, and coated parts.
3. Cosmetics & Personal Care
  • Solvents & Wetting Agents: Low-irritation solvents or wetting agents for refreshing facial cleansers, makeup removers, antiperspirants, and hair care products.
  • Formulation Aids: Fast-drying, non-oily additives for makeup and sunscreen formulations.
4. Other Applications
  • Chemical Synthesis: Reaction solvent for organic synthesis, fluorinated fine chemicals, and pharmaceutical intermediates.
  • Maintenance Fluids: Anti-rust, lubricating, and sealing fluids for instruments and precision machinery.
  • Specialized Media: Water-free heat transfer, insulation, and leak detection media for special occasions.
Package 250kg/drum
Storage Store in a cool, ventilated, dry, and sealed place. Keep away from fire, heat sources, and oxidants.

Frequently Asked Questions (FAQ)

Q1: What is Methyl Perfluoroisobutyl Ether (CAS: 163702-08-7)?

Methyl perfluoroisobutyl ether is a colorless, transparent, non-flammable, low-toxicity, and eco-friendly fluorinated ether solvent featuring low surface tension, low viscosity, and fast drying capabilities.

Q2: What makes it an eco-friendly substitute for industrial solvents?

It has Zero Ozone Depletion Potential (ODP=0) and low Global Warming Potential (GWP). It is non-flammable and non-toxic, making it an ideal compliant alternative to traditional solvents like trichloroethylene and n-propyl bromide.

Q3: Can this solvent be used for cleaning powered-on electronics?

Yes. Due to its exceptionally high dielectric strength and high electrical insulation, it allows for live-line cleaning (cleaning components while energized) safely.

Q4: What are the primary applications in electronics and semiconductors?

It is widely used for precision cleaning of wafers, PCBs, and sensors; thermal management (immersion cooling for servers/data centers); and as a solvent for anti-fingerprint display coatings.

Q5: How is it utilized in personal care and cosmetic formulations?

It acts as a low-irritation solvent and fast-drying, non-oily additive in facial cleansers, makeup removers, hair care products, antiperspirants, makeup, and sunscreens.

Q6: What are the standard packaging and storage requirements?

The standard package is 250kg per drum. It must be stored sealed in a cool, dry, and well-ventilated location away from fire, heat sources, and oxidants.

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