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.
Meil on palju kvaliteetseid sügava koostööga tehaseid, mis pakuvad teile kvaliteetseid tooteid ja konkurentsivõimelisi hindu. Ja me saame anda ka allahindlusi hulgiostudel. Ja me teeme koostööd paljude professionaalsete ekspedeerimisettevõtetega, saame tooted ohutult ja sujuvalt teie kätte toimetada. Tarneaeg on umbes 3-20 päeva pärast makse kinnitamist.
Molecular Formula | C8H8O3 |
Molar Mass | 152.15 |
Density | 1,46g/cm |
Sulamistemperatuur | 125-128 °C (lit.) |
Boling Point | 298.6 °C |
Flash Point | 280°C |
Vees lahustuvus | 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) |
Välimus | White needle crystal |
Color | White to almost white |
Merck | 14,6107 |
BRN | 509801 |
pKa | pKa 8.15(H2O,t =20.0) (Uncertain) |
PH | 5.8 (H2O, 20°C) (saturated solution) |
Storage Condition | room temp |
Stabiilsus | 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 |
Kasuta | Used as food, cosmetics and pharmaceutical mildewproofing agent |
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