Increased solvency capabilities especially for contaminants common in the electronics industry

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SOLKANE-Solvents-iconSOLVOKANE® E1.5, an azeotropic, non-flammable mixture of SOLKANE® 365mfc (1,1,1,3,3-pentafluorobutane) and t-DCE (1,2-dichloroethlylene), with a small portion of Ethanol added. SOLVOKANE® E 1.5 has increased solvency capabilities especially for contaminants common in the electronics industry such as brazing fluxes. It was developed and patented by Solvay Fluor GmbH to meet present and future demands of the precision cleaning within the electronics industries.

The phase-out of conventional solutions (e.g. CFCs and HCFCs) has required alternative products.
SOLVOKANE® E 1.5 offers product characteristics which are very close to HCFC 141b and CFC 113, with a Kauri Butanol (Kb) Index of 21.7. The solvency power versus common contaminants is stronger than the Kb value would suggest.

EPA/SNAP approved, SOLVOKANE® E 1.5 is a new generation, environmentally-compatible solvent. A volatile, colorless liquid without ozone depletion potential (ODP = 0), it has a relatively low global warming potential (GWP) as well as other properties, which make it a superior replacement for CFCs and HCFCs.

Features and Benefits

  • Fast drying with no-residue 
  • Low temperature with a boiling point 36 ºC 
  • Non-flammable azeotrope 
  • Excellent toxicity characteristics 
  • Drop in replacement for high cost HFC/HFE solvents 
  • Cleaning similar to R 141b and R 113 
  • Can be used as a starting point or component for more complex/customized solvent formulations 

Technical Data


Physical and Chemical Data
Appearance: liquid
Odour: ether-like
Melting point / freezing point: -43 °C
Boiling point / boiling range:36 °C
Flash point: does not flash (closed cup)


Product name:SOLVOKANE® E1.5
Chemical characterization:Azeotrope
Substance name:1,1,1,3,3-pentafluorobutane
Concentration:< 70 %
CAS-no.:406-58-6 / EC-No.: 430-250-1 / Index-No.: 602-102-00-6 REACH Registration Number: 01-0000017653-68
Substance name:trans-Dichloro ethylene
Concentration:< 30 %
CAS-no.:156-60-5 / EC-No.: 205-860-2 / Index-No.: 602-026-00-3
Substance name:Ethanol
Concentration:ca. 1.5 %
CAS-no.:64-17-5 / EC-No.: 200-578-6 / Index-No.: 603-002-00-5
Type of product: Mixture
Molecular formula: C2H2Cl2 ; C4H5F5 ; C2H5OH