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provides coniferyl ferulate(CAS#:100-51-6) MSDS, density, melting point, boiling point, structure, formula, molecular weight etc. Articles of coniferyl ferulate are included as well.>> amp version: coniferyl ferulate
The existing information supports the use of this material as described in this safety assessment. p-Isopropylbenzyl alcohol was evaluated for genotoxicity, repeated dose toxicity, developmental and reproductive toxicity, local respiratory toxicity, phototoxicity/photoallergenicity, skin sensitization, and environmental safety. Data from the read-across analog benzyl alcohol (CAS # 100-51-6) show that p-isopropylbenzyl alcohol is not expected to be genotoxic. Data from the read-across analog benzyl alcohol (CAS # 100-51-6) provide a calculated MOE >100 for the repeated dose, developmental, and local respiratory toxicity endpoints. The reproductive toxicity endpoint was evaluated using the TTC for a Cramer Class I material, and the exposure is below the TTC (0.03 mg/kg/day). Data from read-across analog benzyl alcohol (CAS # 100-51-6) provided p-isopropylbenzyl alcohol a NESIL of 5900 μg/cm2 for the skin sensitization endpoint. The phototoxicity and photoallergenicity endpoints were evaluated based on UV spectra; p-isopropylbenzyl alcohol is not expected to be phototoxic/photoallergenic. The environmental endpoints were evaluated; p-isopropylbenzyl alcohol was found not to be a PBT as per the IFRA Environmental Standards, and its risk quotients, based on its current volume of use in Europe and North America (i.e., PEC/PNEC) are <1.
RIFM fragrance ingredient safety assessment, p-isopropylbenzyl alcohol, CAS Registry Number 536-60-7
A M Api 1, D Belsito 2, S Biserta 1, D Botelho 1, M Bruze 3, G A Burton Jr 4, J Buschmann 5, M A Cancellieri 1, M L Dagli 6, M Date 1, W Dekant 7, C Deodhar 1, A D Fryer 8, S Gadhia 1, L Jones 1, K Joshi 1, A Lapczynski 1, M Lavelle 1, D C Liebler 9, M Na 1, D O'Brien 1, A Patel 1, T M Penning 10, G Ritacco 1, F Rodriguez-Ropero 1, J Romine 1, N Sadekar 1, D Salvito 1, T W Schultz 11, F Siddiqi 1, I G Sipes 12, G Sullivan 13, Y Thakkar 1, Y Tokura 14, S Tsang 1
2020 Jul 15
Employing isotope incubation studies, the biosynthetic pathway leading to a series of benzylic derivatives was elucidated in the fermentation broth of the edible mushroom Ischnoderma resinosum (P. Karst). Twenty-six hydroxy- and methoxy- benzylic derivatives were screened by gas chromatography-mass spectrometry (GC-MS) of which 13 were detected in the culture media. Results from the isotope incubation studies showed the transformation of both benzyl alcohol and benzoic acid into benzaldehyde. Benzaldehyde was then converted into 4-methoxybenzaldehyde via hydroxylation and subsequent methylation of the 4-C position. The resulting 4-methoxybenzaldehyde was then hydroxylated in the 3-C position followed by methylation into 3,4-dimethoxybenzaldehyde. Based on these findings, a novel metabolic scheme for the biosynthesis of benzylic derivatives in I. resinosum was proposed. The knowledge of the biosynthetic pathway was utilized to produce 4-hydroxy-3-methoxybenzaldehyde (vanillin) from 4-hydroxy-3-methoxybenzoic acid (vanillic acid). This is the first report to elucidate the biosynthetic pathway of benzyl derivatives and production of vanillin from I. resinosum.
3,4-dimethoxybenzaldehyde; 4-methoxybenzaldehyde; I. resinosum; benzaldehyde; biosynthesis; vanillin.
Biosynthesis of Benzylic Derivatives in the Fermentation Broth of the Edible Mushroom, Ischnoderma resinosum
Purni C K Wickramasinghe 1, John P Munafo Jr 1
2020 Feb 26
Oxidation of alcohols plays an important role in industrial chemistry. Novel green techniques, such as sonochemistry, could be economically interesting by improving industrial synthesis yield. In this paper, we studied the selective oxidation of benzyl alcohol as a model of aromatic alcohol compound under various experimental parameters such as substrate concentration, oxidant nature and concentration, catalyst nature and concentration, temperature, pH, reaction duration, and ultrasound frequency. The influence of each parameter was studied with and without ultrasound to identify the individual sonochemical effect on the transformation. Our main finding was an increase in the yield and selectivity for benzaldehyde under ultrasonic conditions. Hydrogen peroxide and iron sulfate were used as green oxidant and catalyst. Coupled with ultrasound, these conditions increased the benzaldehyde yield by +45% compared to silent conditions. Investigation concerning the transformation mechanism revealed the involvement of radical species.
benzaldehyde; benzyl alcohol; hydroxyl radical; selective oxidation; sonochemistry; ultrasound.
Effect of Ultrasound on the Green Selective Oxidation of Benzyl Alcohol to Benzaldehyde
Marion L Chevallier 1, Sarah Dessolin 1, Fanny Serres 1, Lucile Bruyas 1, Gregory Chatel 1
2019 Nov 16;