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Tridecyl trimellitate
   
  Cas:070225-05-7    
    Tridecyl trimellitate ("TDTM") is the ester of tridecyl alcohol and trimellitic acid, and has recently been offered for use to the cosmetics industry. It is a very heavy viscosity, syrupy, odorless liquid which is slightly tacky in application, but leaves the skin feeling very soft. Tridecyl stearate ("TDS") is the stearic acid ester of tridecyl alcohol, and is a commonly used ingredient in the cosmetic trade. It has a velvety afterfeel and is recommended for use in all products which are left on throughout the day such as moisturizers, lotions, make-ups, face creams and day creams.    
  In the practice of this invention, TDTM is blended with at least one other ester, preferably at least two other esters, to formulate a blend which duplicates the viscosity and feel of mineral oil for use in toiletry and cosmetics. The esters generally blended with TDM will be lower in viscosity than TDTM. While a wide range of esters may be blended with TDTM, the preferred esters are TDS, NPGC and DPHC. The selection and quantity of the esters which are blended with TDTM will vary depending on desired viscosity of the final product and the feel which the product is intended to have.    
  Illustrative, non-limiting examples of other esters which may be blended with TDTM are isodecyl trimellitate, isopropyl myristate, isopropyl palmitate, tridecyl myristate, tridecyl palmitate, isodecyl trimellitate, propylene glycol dicaprate/dicaprylate, neopentyl glycol dicaprate and trisodecyl trimellitate.

Depending on the desired viscosity and other properties desired, the amount of TDTM in a particular formulation can vary from about 5 to about 85 wt%, based on the ester blend, preferably about 5 to about 60 wt%, more preferably about 8 to about 45 wt%, most preferably about 10 to about 38 wt%, e.g., about 12 to about 37 wt%. Where the ester blend is a low viscosity blend, e.g., 70 S.S.U. at 100.degree. F., the TDTM is preferably utilized at about 10 to about 14 wt%. For an intermediate viscosity blend, e.g., 130 S.S.U. at 100.degree. F., the TDTM is preferably utilized at about 33 to about 38 wt% based on the ester blend, and for a high viscosity blend, e.g., 350 S.S.U. at 100.degree. F., the TDTM is preferably utilized at about 38 to about 42 wt%, based on the ester blend. The balance of the ester blend can be at least one additional ester, preferably at least two additional esters, each of the two esters being utilized at about 2 to about 60 wt% based on the ester blend depending on the particular properties desired. In a preferred embodiment where TDS is one of the two or more additional esters blended with the TDTM, it can be utilized at about 5 to about 55 wt%. Where the ester blend is a low viscosity blend, e.g., less than 150 S.S.U., the TDS is preferably utilized at about 40 to about 50 wt%, more preferably about 42 to about 46 wt%, based on the ester blend. Where the ester blend is a higher viscosity blend, the TDS is preferably utilized at about 5 to about 20 wt%, more preferably at about 5 to about 12 wt%, most preferably at about 6 to about 9 wt% based on the ester blend .
   
  key Intermediates    
       
  Applications    
   Cosmeuticals as the Moisturizer    
  Packing &loading    
   10kg/bag 25kg/bag in carton box    
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                                                       Mr. JEFFERY TSUI

   
       
  Material Safety Data Sheet    
       
  Related Information and Materials    
1 Mineral oil substitute for toiletries and cosmetics In particular it relates to blends of esters which match the viscosity and feel of mineral oil. Specifically, it relates to ester blends which include tridecyl trimellitate. Tridecyl trimellitate ("TDTM") is the ester of tridecyl alcohol and trimellitic acid, and has recently been offered for use to the cosmetics industry. It has surprisingly been found that by blending tridecyl trimellitate with other esters, the viscosity and feel of mineral oil can be matched, the resulting product being a substitute for mineral oil in toiletry and cosmetic compositions.    
  Cosmetic hair composition comprising at least one tridecyl trimellitate and at least one isoeicosane    
 2  
   
3

The tridecyl trimellitate as active ingredients in Omega 3+ and Amalaki Night Cream

   
       
     
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