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Nano-Titanium Dioxide Add to my portfolio
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INCI Name
Titanium dioxide [nano]
English name
Nano-Titanium Dioxide
CAS No.
13463-67-7
CE No.
236-675-5

Origins

  • Mineral

CosIng functions

  1. Opacifying Agent
  2. Sunscreen
  3. Colorant (White)

Regulation

Cosmetics Regulation 1223/2009, Annex IV/143 (Colorants)

Colour index Number/Name of Common Ingredients Glossary
• 77891

Colour
• White

Conditions
• Purity criteria as set out in Commission Directive 95/45/EC* (E171)
*Repealed by Directive 2008/128, itself repealed by Regulation231/2012
> Loss on drying: Not more than 0.5% (105°C, 3 hours)
> Loss on ignition: Not more than 1.0% on a volatile matter free basis (800°C)
> Aluminium oxide and/or silicon dioxide: Total not more than 2.0%
> Matter soluble in 0.5 N HCl: Not more than 0.5% on an alumina and silica-free basis and, in addition, for products containing alumina and/or silica, not more than 1.5% on the basis of the product as sold
> Water soluble matter: Not more than 0.5%
> Cadmium: Not more than 1 mg/kg after an extraction with 0.5 N HC
> Antimony: Not more than 2 mg/kg after an extraction with 0.5 N HCl
> Arsenic: Not more than 1 mg/kg after an extraction with 0.5 N HCl
> Lead: Not more than 10 mg/kg after an extraction with 0.5 N HCl
> Mercury: Not more than 1 mg/kg after an extraction with 0.5 N HCl

Labelling
• For use as a colorant, must be declared under the INCI name: CI 77891

Cosmetics Regulation 1223/2009, Annex VI/27 (UV filters)

Chemical name/INN/XAN
• Titanium dioxide

Name of Common Ingredients Glossary
• Titanium Dioxide

Maximum concentration in ready for use preparation (finished cosmetic products)
• 25%*
*In case of combined use of Titanium Dioxide and Titanium Dioxide (nano), the sum shall not exceed 25%.

Labelling
• For use as a UV filter, must be declared under the INCI name: Titanium dioxide

Cosmetics Regulation 1223/2009, Annex VI/27a (UV filters)

Chemical name/INN/XAN
• Titanium dioxide

Name of Common Ingredients Glossary
• Titanium Dioxide [nano]

Maximum concentration in ready for use preparation (finished cosmetic products)
• 25%*
*In case of combined use of Titanium Dioxide and Titanium Dioxide (nano), the sum shall not exceed 25%.

Other conditions
> Not to be used in applications that may lead to exposure of the enduser’s lungs by inhalation.
> Only nanomaterials having the following characteristics are allowed:
- purity ≥99%
- rutile form, or rutile with up to 5% anatase, with crystalline structure and physical appearance as clusters of spherical, needle, or lanceolate shapes
- median particle size based on number size distribution ≥30 nm
- aspect ratio from 1 to 4.5, and volume specific surface area ≤460 m2/cm3
- coated with Silica, Hydrated Silica, Alumina, Aluminium Hydroxide, Aluminium Stearate, Stearic Acid, Trimethoxycaprylylsilane, Glycerin, Dimethicone, Hydrogen Dimethicone, Simethicone, or coated with one of the following combinations:
-> Silica at a maximum concentration of 16% and Cetyl Phosphate at a maximum concentration of 6%
-> Alumina at a maximum concentration of 7% and Manganese Dioxide at a maximum concentration of 0.7% (not to be used in lip products)
-> Alumina at a maximum concentration of 3% and Triethoxycaprylylsilane at a maximum concentration of 9%
- photocatalytic activity ≤1 % compared to corresponding non-coated or non-doped reference
- nanoparticles are photostable in the final formulation

Labelling
• For use as a UV filter, must be declared under the INCI name: Titanium dioxide [nano]

COSMOS-Standard

• Listed in Annex IV - Ingredients of mineral origin allowed
• Is authorized in its nano form as a UV filter

USA and Canada

• Titanium Dioxide is a filter approved up to 25%
• When used as a colorant (exempt from certification) in the United States, must be labelled with the INCI name: Titanium Dioxide, and not CI 77891 as in Europe.

Knowledge to date

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References

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