Oakmoss extracts

CAS N° : 90028-68-5

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Regulations & IFRA

Allergens :

IFRA 51^th :

This ingredient is restricted by the 51th amendment

Restriction type : RESTRICTION_SPECIFICATION

Cause of restriction : DERMAL SENSITIZATION

Amendment : 49

Quantitative limit on the use :

Cat.1	Cat.2	Cat.3	Cat.4	Cat.5 A B C D		Cat.6
0,02 %	0,016 %	0,1 %	0,1 %	0,076 % 0,076 % 0,076 % 0,076 %		0,18 %
Cat.5 A B C D			Cat.6
0,076 % 0,076 % 0,076 % 0,076 %			0,18 %
Cat.7 A B		Cat.8	Cat.9	Cat.10 A B	Cat.11 A B	Cat.12
0,1 % 0,1 %		0,032 %	0,1 %	0,1 % 0,1 %	0,1 % 0,1 %	No Restriction
Cat.10 A B	Cat.11 A B	Cat.12
0,1 % 0,1 %	0,1 % 0,1 %	No Restriction

Restricted ingredients: notes
For Oakmoss and Treemoss extracts, the restrictions in the Standards are directly linked to the presence of Atranol and Chloroatranol in the finished products. To ensure that those remain below trace levels, the upper concentration levels have not been increased (compared its last publication in the Amendment 43 (2008)). In the presence of Treemoss extracts, the level of Oakmoss in the respective category has to be reduced accordingly, such that the total amount of both extracts does not exceed the maximum permitted level in each category as listed in the table above. If the same fragrance mixture is intended to be used in more than one IFRA Category, then the most restrictive limitation (based on foreseen use concentrations and maximum permitted level) will apply.
Specified ingredients: notes
Oakmoss extracts must not contain added Treemoss, which is a source of resin acids. Traces of resin acids may be carried over to commercial qualities of Oakmoss in the manufacturing process. These traces must not exceed 0.1% (1000 ppm) of Dehydroabietic acid (DHA) in the extract. The concentration of resin acids in Oakmoss can be measured with an High Performance Liquid Chromatography (HPLC) Reverse Phase – Spectrofluorometry method. Further, levels of Atranol and Chloroatranol should each be below 100 ppm in Oakmoss extracts.