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Caprylhydroxamic Acid GCG

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Caprylhydroxamic Acid GCG™
CAS No. 7377-03-9, 26402-26-6, 56-81-5

Contains only ingredients acceptable on the Whole Foods Premier Ingredient list!

Caprylhydroxamic Acid GCG™  is a 100% natural cosmetic antimicrobial blend based on caprylhydroxamic acid, glyceryl caprylate and glycerin.  It utilizes hurdle technology to offer excellent biostatic and fungistatic activity. 

Unlike many antimicrobials, it is effective even at neutral pH, as caprylhydroxamic acid remains active even at high pH.  Caprylhydroxamic Acid is also a powerful chelator for iron.  Microorganisms have been shown to have reduced survival rates in iron-limited environments.

Glyceryl Caprylate is a multi-functional, high purity monoester of glycerin and caprylic acid that combines excellent skin compatibility with remarkable effects against microorganisms. While primarily effective against gram-positive bacteria, yeast and mold, its efficacy against gram-negative bacteria is potentiated by the chelating effects of Capryhydroxamic Acid in the blend.

This antimicrobial blend is ideal for those wanting to make preservative-free and/or paraben-free and formaldehyde-free claims.  It is 100% natural and its ingredients are on Whole Foods Premier Ingredient list.

Good production hygiene as well as the use of raw materials with low microorganism levels, as a result of correct raw material control, are vital prerequisites for the production of microbiologically faultless finished products.


Caprylhydroxamic Acid GCG™ is recommended for use in:

  • Creams, lotions, and serums
  • Formulations containing natural raw materials
  • Shampoo, conditioners and other hair care products
  • Body washes
  • Wet wipes

Formulation Guidelines

  • Caprylhydroxamic Acid GCG™  is stable at typical formulations temperatures of 80°C (176°F).
  • Avoid exposure to high temperatures (<90°C/194°F) for more than 2 hours, or <60°C/140°F) for more than 6 hours.
  • Product may solidify upon cold storage or transport. Can be heated gently to 35° - 40°C (95°- 104°F) and generally will reconstitute to a homogeneous solution without mixing (but mixing or shaking can be done).
  • It can interact with higher levels of residual iron found in some types of clay-type compounds producing a slight orange color. Test if using clay like bentonite and silicates.
  • Shows good compatibility with a wide range of cosmetic ingredients.

Caprylhydroxamic Acid GCG™ contains:

  • Caprylhydroxamic Acid         70-80%
  • Glyceryl Caprylate                  5-15%
  • Glycerin                                 10-20%


Recommended use levels: 1.0 - 1.2%
Appearance: Clear, yellow to amber liquid
Odor: Mild characteristic odor
Solubility: Water soluble
Country of Origin: USA
Storage: Store at room temperature out of direct sunlight.
Shelf Life: 2 Years

INCI: Caprylhydroxamic Acid (and) Glyceryl Caprylate (and) Glycerin


Shipping Information Tariff Number 2906210000


California Prop 65 Statement: The following statement is made in order to comply with the California Safe Drinking Water and Toxic Enforcement Act of 1986. This product is not known to the State of California to cause cancer, birth defects or other reproductive harm.

Here you will find Safety Data Sheets (SDS) and Technical Data Sheets. The files are in PDF format. To access a file, click on the relevant button or the file name. For your convenience, it will open up in a new browser window.

Please note: You must have Acrobat Reader to view the files listed here. If necessary, the Acrobat Reader link will directed you to a page where it can be downloaded.

Technical Data
Safety Data Sheet (SDS)

Caprylhydroxamic Acid GCG™ SDS


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