hi all
i have dish wash liquid .it work properly but it can change its color when the temperature become -3 or onward its color change like malik or become in-transparent .it contain the following ingredient.give some suggestion for color transparent and for long preservative life.
838 gm Water
sulphonic acid 85 gm
Lsles 20gm
caustic soda 11.30
27 gm CDEA
1 gm EDTAu
cocobutane 10gm
urea 5gm
DEA 1gm
Any piece of advice, suggestion or hint
Thanks
Comments
Why urea?
What's DEA? The Drug Enforcement Agency?
NEXT TIME POST YOUR FORMULA IN PERCENTAGE, else no one would give a hoot about what you posted.
Good luck
in low temperature and become in-transparent.
83.8 gm Water
sulphonic acid 8.5 gm
sles 2gm
caustic soda 1
2.7 gm CDEA
1 gm EDTAu
cocobutane 1gm
urea 0.5gm
DEA 1gmYour LABSA percentage is 8.5% but the NAOH (caustic soda 50) percentage is just 1.13%....so your Sulphonic Acid (LABSA) is not neutralized fully, as the caustic soda percentage is low....leading to an acidic mixture where your dye (or colourant) can't handle very low pH ( 3 to 4 pH acid).
So i suggest you increase the NaOH percentage to 2.26% that is 22.6 g in your 1 litre dishwash....reduce some water to balance up the percentages.
good luck and let me know if it solves the problem.
Now later when you add the other ingredients the pH will change again....adjust your pH at the end of the mixing process....if it is alkaline (pH above 7) then add citric acid to bring pH down to 7....if it is acidic (pH beloe 7) then add moderate amount of NaOH.
Try it.
a sure way to get yourself sued.
Switch to another preservative.
The former makes more soluble sulfonates.
https://chemistscorner.com/cosmeticsciencetalk/discussion/4804/should-i-dilute-sulfonic-acid-before-neutralizing-it-with-sodium-hydroxide
HPMC means?
now the problams is that when temperture is become -ve then it cloud,after increasing temperture it slightly start clearance.
IMHO The first step is to replace Sodium Hydroxide with Potassium hydroxide to neutralize sulfonic acid
as Potassium salts are more soluble, thus less likely to cloud.
we will be trying for covering problems, and we will
follow your valuable suggestions.