Dish wash liquid becomes cloudy and precipitate.

I have done many experiments to make dish wash. 
But it becomes cloudy and precipitate settled down after 2 or 3 days.
I am using
Water 76 %
NaOH 2.8 % prior mixed in water. 
LABSA  19.2 % 
pH adjusted b/w 5 -7
Colour green 
Lemon fragrance. 

Plz guide me its solution.?
Thanking you in Anticipation.

Comments

  • ozgirlozgirl Member, PCF student
    It sounds like a problem with the solubility of the neutralised LABSA.

    Try replacing some of the NaOH with TEA, as the solubility of the TEA salt of LABSA is higher than the sodium salt.
  • Very high percentage of LABSA . Use below 8% , add 4 % SLES , CAPB ; CDEA . Follow the dissolve rule . 
  • LBSA  % TOO MUCH HIGH 
    AND WHAT IS THE PH OF FINAL PRODUCT
  • Add SXS to increase solubility of Labsa salt in water if you really need such high %.
  • @ Usman Ali UsmanAli said:
    LBSA  % TOO MUCH HIGH 
    AND WHAT IS THE PH OF FINAL PRODUCT
    pH is b/w 5-7 neutralized with caustic soda solution. 
  • GuntherGunther Member
    edited December 2019
    High percentage LABSA will surely become cloudy.

    You'd need to both reduce LABSA and add some SLES, CAPB, CDEA, alcohol or propylene glycol to rise its cloud point (the temperature at which it becomes cloudy).

    P.S.
    Read the study quoted in this post and you'll see why
    https://chemistscorner.com/cosmeticsciencetalk/discussion/6658/why-i-cant-replicate-the-same-results-with-the-formula-used-in-this-dishwash-scientific-study

    By the way, can you try to replicate the formula they suggested to see if it works for you?
    It is: 10% LABSA, 2% SLES, 2% CAPB. All of them in an active basis.
  • I suggest you this formulation
    1. Water
    2. Caustic soda 1.5
    3. LABSA        11
    4. SLES(70)     8
    5. STPP             1
    6. SALT               1
    7. COLOR 
    PH 10
    DON'T ADD PERFUME IN DISHWASH FORMULATION
    THE SLES WILL SOLVE THE PRECIPITATION PROBLEM 
  • Quimico said:
    I suggest you this formulation
    1. Water
    2. Caustic soda 1.5
    3. LABSA        11
    4. SLES(70)     8
    5. STPP             1
    6. SALT               1
    7. COLOR 
    PH 10
    DON'T ADD PERFUME IN DISHWASH FORMULATION
    THE SLES WILL SOLVE THE PRECIPITATION PROBLEM 
    Is this formulation safe according to long term use on hands i am not seeing its safe and will dry and rough hands after 2 3 month use of regular product  too high labsa and not cost effective according to sale point in low profile countries 
  • Try this
    Sles 8 percent 
    Labsa 2 -3 percent 
    Sls 1 percent
    Cocobetaine 3 percent works perfectly 
    Naoh 5 gram
    Plus citric acid 5 gram 
    and tartaric 1 gra 
    Plus sodium citrate 2-3 gram
    Other additives 
    Glycerin  
    Triethanolamine qs . For 1 litre
  • I suggest you this formulation
    1. Water   - How much
    2. Caustic soda 1.5 -----1.5kg?
    3. LABSA        11----11 kg?
    4. SLES(70)     8----8kg?
    5. STPP             1----1kg?
    6. SALT               1 -----1kg?
    7. COLOR 
    PH 10
    kindly mentioned complete quantity of each
  • Is STPP = Sodium Tri Poly Phosphate?
    If so, get rid of it. Phosphates cause algae bloom.
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