Methyl 4-hydroxybenzoate Methylparaben CAS Nu.99-76-3
Fa'amatalaga o oloa
- Methyl 4-hydroxybenzoate, lea e taʻua foi o le Methyl Paraben, e masani ona faʻaaogaina e avea ma faʻasao faʻamaʻi mo le faʻaogaina o meaola, meaʻai, mea teuteu, vailaʻau, ma faʻaaogaina foi e fai ma fafaga fafaga.
- Methyl 4-hydroxybenzoate o se mea faʻaletino. Ona o lona fausaga phenolic hydroxyl, e sili atu mea faʻamaʻi faʻamaʻi nai lo le benzoic acid ma le sorbic acid. O le gaioiga o le paraben e mafua ona o lona tulaga mole, ma o le vaega o le hydroxyl i totonu o le mole ua faʻamalosia ma ua le toe faʻasalaina. O le mea lea, e iai sona aafiaga lelei i le va o le pH 3 i le 8. O se vailaʻau e le faʻaogaina ma e faigofie ona fetaui ma vailaʻau eseese.
Oloa Fa'ailoga
- Fa'atinoga mautu;
- O le a leai se pala po'o se suiga o gaioiga i lalo ole vevela maualuga;
- Fa'afaigofie ona fetaui ma vaila'au vaila'au eseese;
- Tamaoaiga ma fa'aoga umi.
Iloiloga Autu
| Aitema | Fa'amatalaga |
| Fa'aaliga | Pa'epa'e tioata pa'epa'e |
| AI anotusi (%) | 99.0-100.0 |
| Mea liusuavai (℃) | 125-128 |
| Acidity (pH) | 4.0-7.0 |
| Toega mumu (%) | Max0.1 |
Talosaga
- E faʻaaogaina mo le faʻamaʻi faʻamaʻi o le fufuluina o vailaʻau i aso taʻitasi (vai tamea, gel taele, shampoo, vailaʻau, ma isi).
- E faʻaaogaina foʻi mo faʻamaʻi faʻamaʻi i meaʻai, oloa gaosi oloa i aso uma, faʻamaʻi masini, fale gaosi oloa (ie, vulu cotton, filo vailaʻau), ma isi.
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