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Methylparaben

CAS 99-76-3 Methylparaben

 

  • Igama lemveliso:

    Methylparaben

  • Ibakala:

    Cosmetic/Pharmaceutical grade

  • Iinkcazelo ngeempawu:

    white powder

  • Ukupakisha:

    25kg/igubu

  • MOQ:

    1 kilo

  • Ugcino:Indawo eyomileyo epholileyo
  • Beka ubomi kwishelufa:iminyaka eyi-2


Iinkcukacha

Iithegi

Ingcaciso yeMveliso

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.

Isicelo

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.

Iingenelo

Sinemizi-mveliso emininzi ekumgangatho ophezulu enentsebenziswano enzulu, enokubonelela ngeemveliso ezikumgangatho ophezulu kunye namaxabiso akhuphisanayo. Kwaye sinako ukunika izaphulelo zokuthengwa kwezinto ezininzi.Kwaye siyasebenzisana neenkampani ezininzi zokuthunyelwa kwempahla, zinokuzisa iimveliso ngokukhuselekileyo nangokutyibilikayo ezandleni zakho. Ixesha lokuhambisa limalunga neentsuku ezi-3-20 emva kokuqinisekiswa kwentlawulo.

 

Inkcazo
Molecular Formula C8H8O3
Molar Mass 152.15
Density 1,46g/cm
Indawo yokunyibilika 125-128 °C (lit.)
Boling Point 298.6 °C
Flash Point 280°C
Ukunyibilika kwamanzi 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)
Imbonakalo White needle crystal
Color White to almost white
Merck 14,6107
I-BRN 509801
pKa pKa 8.15(H2O,t =20.0) (Uncertain)
PH 5.8 (H2O, 20°C) (saturated solution)
Storage Condition room temp
Uzinzo 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
Sebenzisa Used as food, cosmetics and pharmaceutical mildewproofing agent

 

Ukuthunyelwa kunye nentlawulo

 

 

FAQ

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