4-Hydroxybenzoic acid CAS 99-96-7
4-Hydroxybenzoic acid, tseem hu ua nipagin ester, feem ntau yog siv hauv cov kua ntses, jam, dej qab zib, thiab lwm yam. Cov nyhuv anti-corrosion yog superior rau benzoic acid thiab nws cov ntsev ntsev, nrog rau kev siv li ntawm 1/10 ntawm sodium benzoate thiab kev siv ntau ntawm pH 4-8.
| Yam khoom | Specification |
| Boiling point | 213.5 ° C (kwv yees kwv yees) |
| Qhov ntom | 1,46 g / cm3 |
| Melting point | 213-217 ° C (lit.) |
| Vapor siab | 0Pa ntawm 20 ℃ |
| tiv taus | 1.4600 (kwv yees) |
| Cia tej yam kev mob | Khaws hauv qab +30 ° C. |
4-Hydroxybenzoic acid feem ntau yog siv los ua cov khoom siv raw rau cov khoom siv tshuaj zoo, thaum parabens, tseem hu ua p-hydroxybenzoic acid esters, tau siv dav los ua cov khoom noj khoom haus, tshuaj, thiab tshuaj pleev ib ce. Lawv kuj tau dav siv nyob rau hauv kev npaj ntawm ntau yam dyes, fungicides, xim zaj duab xis, thiab ntau yam roj soluble xim couplers. Tus tshiab high-temperature resistant polymer p-hydroxybenzoic acid polyester, uas muaj ntau yam kev siv, kuj yog siv los ua cov khoom siv raw.
Feem ntau ntim rau hauv 25kg / nruas, thiab kuj tuaj yeem ua pob customized.
4-Hydroxybenzoic acid CAS 99-96-7
4-Hydroxybenzoic acid CAS 99-96-7
