Methyl 4-hydroxybenzoate Methylparaben CAS No.99-76-3
Nkọwa ngwaahịa
- Methyl 4-hydroxybenzoate, nke a makwaara dị ka Methyl Paraben, nke a na-ejikarị dị ka ihe nchekwa antiseptik maka njikọ organic, nri, ihe ịchọ mma, ọgwụ, ma na-ejikwa ya dị ka ihe nchekwa nri.
- Methyl 4-hydroxybenzoate bụ ihe nkịtị. N'ihi usoro phenolic hydroxyl ya, ọ nwere ihe ndị na-egbu egbu karia benzoic acid na sorbic acid. Arụ ọrụ nke paraben bụ tumadi n'ihi ọnọdụ molekụla ya, na otu hydroxyl dị na molecule ahụ ka agbajichara ma gharazi ionized. Ya mere, ọ na-enwe mmetụta dị mma na nso nke pH 3 ruo 8. Ọ bụ ihe na-emepụta ihe na-emepụta ihe na-eme ka ọ dị mfe na-ejikọta ya na ihe dị iche iche nke kemịkal.
Njirimara ngwaahịa
- arụmọrụ kwụsiri ike;
- Agaghị enwe ire ere ma ọ bụ mgbanwe ọrụ n'okpuru oke okpomọkụ;
- Ngwa ngwa dakọtara na dị iche iche chemical bekee;
- Eji akụ na ụba na ogologo oge.
Isi nyocha
| Ihe | Nkọwapụta |
| Ọdịdị | White crystalline ntụ ntụ |
| Ọdịnaya AI (%) | 99.0-100.0 |
| Ebe mgbaze (℃) | 125-128 |
| Acidity (pH) | 4.0-7.0 |
| Ihe fọdụrụ mgbanye (%) | Max0.1 |
Ngwa
- A na-eji ya maka antiseptik nke ịsacha kemịkalụ kwa ụbọchị (mmiri ịsa ákwà, gel ịsa ahụ, ncha ntutu, ncha, wdg).
- A na-ejikwa ya maka antiseptik na nri, ngwaahịa ụlọ ọrụ mmepụta ihe kwa ụbọchị, mkpochapụ akụrụngwa, ụlọ ọrụ textile (textile, yarn owu, eriri kemịkal), wdg.
Dee ozi gị ebe a ziga anyị ya
