Schweizer's Reagent

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  • A Chemical With The Name and Formula: Tetraamminediaquacopper Dihydroxide, [Cu(NH3)4(H2O)2](OH)2
  • A solvent that dissolves cellulose
  • Has the advantages of being simple to make, as well as relitively non-toxic (outside of ingestion or reckless disposal procedures)

Used For

  • Production of Semi-Syntetic Fibers From Reformed Cellulose
  • Production of Bioplastics From Reformed Cellulose

Industry Standards

Industry Formulations/Preparations

  • ?

Industry Levels they consider it saturated

  • ?

Existing Open Source Designs

Nile Red's Work

Thoisoi2 - Chemical Experiments!'s Work

Minimum Viable Product

  • Able to be made from easily obtainable materials (ie cheap, or diy)
  • Usable like the leading industry formulation (ie it dissolves the same amount per litre etc)

Basic Design

Chemical Preparation

  • For Producing 1 Liter Of Soluion:
    • 20g Copper (II) Hydroxide
    • 1L Ammonia Aqueous Solution

Procedures (Assuming Manual Use)

  1. Gather All Materials Specified in the BOM
  2. Prepare the solution according to the informaion listed above
  3. Have the solution in a container with means for stirring it (Such as a beaker/vat with magnetic stirring)
  4. Slowly Add A Source of Clean Cellulose (Such as cotton)
  5. Once the Solution is Saturated Stop Adding Cellulose, and Continue to Stir for ~1-10 Minutes
  6. Turn of Stirring
  7. To Bring the Cellulose out of Solution, Decant (Either by pouring, or by using something along the lines of a srynge) into a Mildly Acidic Solution (Acid choice is mainly a question of what acids you have, and what reaction you prefer for recycling the solution
  8. Stir Once the Above Step is Done
  9. Once The Strands Are a White-Translucent Color, and They Have Lost Their Blue Hue, Wash Them With Distilled Water Until The Desired Cleaness/Purity is Reached



  • Copper (II) Hydroxide
  • Ammonia Aqueous Solution
  • Mildly Acidic Soulution
  • Distilled Water, Double Distilled Water, or Deionized Water
  • A source of clean (relitively) cellulose


Manual Method

  • Glassware/other suitable containers
  • Stirring (Either a glass stir rod, or magnetic stirring
  • A srynge
  • Saftey Gear

Automatic Method

See Also

Useful Links