Citriodiol® is a naturally sourced active substance for use in insect repellents, effective against a range of biting insects and other arthropods. Citriodiol® is formed from a simple modification of sustainably harvested Eucalyptus citriodora oil (also known as Corymbia citriodora). The main component in Citriodiol® is p-menthane-3,8-diol (CAS No. 42822-86-6), a compound found naturally in the leaves of the Eucalyptus citriodora tree.

Common Names:

  • EU – Eucalyptus citriodora oil, hydrated, cyclized (EC Oil (H/C))
  • USA – Oil of lemon eucalyptus (OLE)
  • Canada – Oil of lemon eucalyptus, hydrated, cyclized
  • Australia – Oil of Lemon Eucalyptus (hydrated, cyclized)

Product Information

Trade name:Citriodiol®
CAS no.:1245629-80-4
Substance type:Naturally derived UVCB
INCI name:Does not apply to biocides
HS Code:3301 29

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Appearance:Form: Viscous liquid containing white crystals
Colour: Pale yellow to brown
Odour:A characteristic odour – citrus, lemon
pH Value (water extraction)6 to 9
Melting Point:≈50°C
Flash Point:92°C
Relative Density:0.942g/ml at 40°C
Shelf Life:5 years

Safety and SDS

Safety data sheets and certificates addressing the following aspects are available:

  • Is not hazardous for transport
  • Is not a carcinogenic, mutagenic or toxic for reproduction (CMR) substance
  • Does not contain nanomaterials
  • Is not classified as a persistent, bioaccumaltive or toxic (PBT)
  • Does not contain GMOs
  • Has no TSE/BSE risk
  • Has no heavy metals

Formulation and Stability

  • Highly adaptable formulation options available including pump-spray, emulsion, roll-on, bag-on-valve and wet wipe
  • No plasticising effect, preventing damage to other materials such as sports gear, eyewear, etc (unlike some alternatives)
  • Selected range of fragrances available to be used in conjunction with Citriodiol® to alter the natural odour and markedly differentiate your insect repellent
  • Low-Odour Citriodiol® available
  • 5 year product shelf life
  • High temperature stability and suitable for ‘tropical strength’ products

Research and Development

Our in-house technical team have state of the art equipment including a GC-MS and a full range of equipment to replicate our production process and formulations in the laboratory for development, analysis and quality control.

We are currently working on several product innovations and alternative use cases for Citriodiol®, including:

  • Textile treatments
  • Spatial repellents
  • Applications for pets, horses and livestock

We have the expertise to support you every step of the way.

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