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Eastman Tenox™ Personal Care Antioxidants
Food-Grade Antioxidants for Cosmetics
Eastman Tenox™ food-grade antioxidants inhibit the rancidity of creams and lotions for a variety of personal care products including skin care, sun care, hair care, color cosmetics, fragrances, antiperspirants, and deodorant.
Tenox™ Antioxidant Composition & Characteristics
TBHQ
Content |
BHT
Content |
Citric Acid
Content
|
Physical Form
|
|
|---|---|---|---|---|
100%
|
Solid
|
|||
| Tenox™ 20 | 20%
|
10%
|
10%
|
Liquid
|
| Tenox™ 20A | 20%
|
20%
|
3%
|
Liquid
|
| Tenox™ 8 | 20%
|
Liquid
|
TBHQ = Tertiary-Butylhydroquinone
BHT = Butylated Hydroxytoluene
Tenox™ Formulation & Processing Tips
For cosmetics and personal care products, the optimum level of antioxidant ranges from 0.02% to 0.1%.
Tenox™ TBHQ forms colored complexes with amines in fatty acid/amine emulsifier systems at alkaline pH so some discoloration may occur. To prevent discoloration, Eastman suggests neutralizing acids with amines to a pH of 7 or less.
Tenox™ TBHQ forms colored complexes with amines in fatty acid/amine emulsifier systems at alkaline pH so some discoloration may occur. To prevent discoloration, Eastman suggests neutralizing acids with amines to a pH of 7 or less.
Tenox™ Antioxidant Effectiveness
The oil stability index (OSI) is an automated, accelerated method of measuring the effect of antioxidants on the stability of fats and oils. The induction period is recorded as the number of hours at which rapid acceleration of oxidation occurs. These charts show the effect of Tenox™ in comparison to other antioxidants on the oxidation of popular oils.
This data is also available for other oils, just CONTACT US for more details or for help with your cosmetics formulations.
Tenox™ Antioxidant Physical Properties
Tenox™ TBHQ
Tertiary Butylhydroquinone |
Tenox™ BHT
Butylated Hydroxytoluene |
|
|---|---|---|
| INCI Name | TBHQ
|
BHT
|
| Molecular weight | 166.22
|
220
|
| Physical appearance | White to light tan crystals
|
White granular crystals
|
| Boiling point | 300ºC @ 760 mm
|
265ºC @ 760 mm
|
| Melting point | 126.5 - 128.5ºC
|
69.7ºC
|
| Odor | Very slight
|
Very slight
|
| Water solubility | Soluble
|
Insoluble
|
| Ethanol solubility | Soluble
|
Soluble
|
| Lipid solubility | Soluble
|
Soluble
|
CONTACT US for help with your cosmetics formulations!
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