Birch wood pyrolysate
CAS N° : 68917-50-0
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IFRA
IFRA 51th :
This ingredient is restricted by the 51th amendment
-
Restriction type :
PROHIBITION_SPECIFICATION -
Cause of restriction :
CARCINOGENICITY, GENOTOXICITY BY RELEASE OF POLYNUCLEAR HYDROCARBONS (PAH) -
Amendment :
47
Prohibited fragrance ingredients: notes
Crude birch wood (bark) pyrolysates (oils) derived by pyrolysis (destructive distillation) of the wood or bark of Betula pubescens, Betula pendula, Betula lenta or Betula alba should not be used as a fragrance ingredient for any finished product application. Only rectified (purified) Birch tar oils being in compliance with the limitations for polynuclear aromatic hydrocarbons (PAH) established by this IFRA Standard should be used.
Specified ingredients: notes
Limit content of polynuclear aromatic hydrocarbons (PAH) resulting from the use of rectified oils according to Good Manufacturing Practice.
Benzopyrene and 1,2-Benzanthracene are to be used as markers for PAH. If used alone or in combination with rectified Cade oil, rectified Styrax oil or rectified Opoponax oil, the total concentration of both of the markers should not exceed 1 ppb in the final product.
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To learn more about IFRA's standards : https://ifrafragrance.org/safe-use/library
