This product is white or quasi-white crystal or crystalline powder.
This product is easily soluble in methanol, ethanol or ether, soluble in hot water, slightly soluble in water.
Paraben methyl ester, also known as hydroxyphenylate, Paraben lipids were initially used as food preservatives, and after a series of exploration studies, they were introduced into cosmetics as preservatives. Hydroxyphenylate has a strong antibacterial effect, among which the most prominent Chemicalbook is the antibacterial ability of mold and yeast, but for some bacteria (gram-negative bacteria, lactic acid bacteria) the effect is poor, so it is often used with other preservatives in cosmetics.
Methyl paraben is mainly used as a bactericidal preservative in organic synthesis, food, cosmetics, medicine, and also used as a feed preservative.
Tili ndi mafakitale apamwamba kwambiri omwe ali ndi mgwirizano wozama, omwe angakupatseni mankhwala apamwamba kwambiri komanso mitengo yampikisano. Ndipo titha kuperekanso kuchotsera pogula zinthu zambiri.Ndipo timagwirizana ndi makampani ambiri otumiza katundu, amatha kubweretsa zinthu mosatekeseka m'manja mwanu. Kutumiza nthawi ndi za 3-20 masiku chitsimikiziro cha malipiro.
Molecular Formula | C8H8O3 |
Molar Mass | 152.15 |
Density | 1,46g/cm |
Melting Point | 125-128 °C (lit.) |
Boling Point | 298.6 °C |
Flash Point | 280°C |
Kusungunuka kwamadzi | Slightly soluble in water. |
Solubility | Slightly soluble in water, easily soluble in ethanol, ether, acetone and other organic solvents. |
Vapor Presure | 0.000005 hPa (20 °C) |
Maonekedwe | White needle crystal |
Color | White to almost white |
Merck | 14,6107 |
Mtengo wa BRN | 509801 |
pKa | pKa 8.15(H2O,t =20.0) (Uncertain) |
PH | 5.8 (H2O, 20°C) (saturated solution) |
Storage Condition | room temp |
Kukhazikika | Stable. Incompatible with strong oxidizing agents, strong bases. |
Sensitive | Easily absorbing moisture |
Refractive Index | 1.4447 (estimate) |
MDL | MFCD00002352 |
Physical and Chemical Properties | Properties: White needle-like crystals or colorless crystals slightly soluble in water, soluble in ethanol, ether, acetone and other organic solvents |
Gwiritsani ntchito | Used as food, cosmetics and pharmaceutical mildewproofing agent |
1. Kodi ndinu fakitale kapena kampani yamalonda?
Ndife compnay kuphatikiza makampani ndi malonda, kupereka amodzi-stop service.OEM akhoza kulandiridwa.
2. Kodi mumapereka zitsanzo? Ndi zaulere kapena zowonjezera?
Zitsanzo zaulere. Ndalama zonyamula katundu zachitsanzo ziyenera kulipidwa ndi mbali yanu.
3. Kodi muli ndi ziphaso zilizonse zokhudzana ndi kuwongolera bwino?
ISO 9001:2008 certification kuti mutsimikizire mtundu.
4. Kodi ndiyenera kupereka chiyani kuti ndilandireko mawu?
Pls amatiuza za mtundu wazinthu zomwe mukufuna, kuchuluka kwa madongosolo, ma adilesi ndi zofunikira zenizeni.
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Chiyankhulo Cholankhulidwa:Chingerezi.
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