Home Cosmetic Science Talk Formulating 1st ever experience of Toilet Cleaner making

  • 1st ever experience of Toilet Cleaner making

    Posted by Chirag on July 16, 2020 at 10:19 am

    Hello my elders my seniors and  everyone. Hope you all are good and healthy. 
    I have tried to create Toilet cleaner for the first time and experienced some problems that I want to share with you. The batch size is like

    Total size 100 ML
    Aqua.                                     81 ml
    Color acid blue 80.               Trace
    Benzalkonium chloride       1 ml
    HCL.                                       15 ML
    Acid Thickener.                     2 ml

    All of the above stated ingredients were added in the order as they are stated here.

    1  the purpose of putting BKC is to act  as a surfactant and disinfectant for toilet bowl cleaning. Am I right in choosing BKC here ?

    2 ) As soon as I added the acid thickener the compound wad spoiled. Precipitation took place right on the spots where I pour the acid thickener. And I don’t know why did it happen.
    Was this because of BKC or is there anything I am doing wrong ? 

    3) when I added BKC, color change occurred from blue to reddish which again changed to blue after the addition of  HCL. I don’t get why it happened ? 

    I am looking forward for your precious opinions.

    Thanks All 

    PhilGeis replied 3 weeks ago 4 Members · 4 Replies
  • 4 Replies
  • Koet

    June 26, 2024 at 4:31 am

    Which type of Acid Thickener are you using?

  • PhilGeis

    June 26, 2024 at 7:16 am


  • ketchito

    June 26, 2024 at 7:18 am

    Chances are your BK is binding to you dye (anionic), and when you add your acid thickener, your BK binds to that one instead and releases your dye (that’s why you see that color change). I remember these products use anionic surfactants instead, but to confirm, make a sample without BK.

  • PhilGeis

    June 26, 2024 at 9:12 am

    Think BAK in such products is a ghost ingredient, a charade.

    pH (via HCl) is typically <3, hydrolyzes protein and biofilm, dissolves metal hydroxides and is low enough to kill bugs/disinfect. They can;t claim to be a “disinfectant” since HCl is not a registered disinfectant active produced at a EPA registered site. Tossing in BAK (a registered disinfectant active) let’s them claim to be a “disinfectant” but does little to nothing for the product. Quats are most active pH 7+.

    They can;t use bleach - at that pH, you’d gave chlorine gas.

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