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Methylparaben

CAS 99-76-3 Methylparaben

 

  • Önümiň ady:

    Methylparaben

  • Baha:

    Cosmetic/Pharmaceutical grade

  • Aýratynlyklary:

    white powder

  • Gaplamak:

    25 kg / deprek

  • MOQ:

    1 kilo

  • Saklama:Gurak ýer
  • Ýaramlylyk möhleti:2 ýyl


Jikme-jiklikler

Bellikler

Önümiň beýany

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.

Arza

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.

Üstünlikleri

Çuňňur hyzmatdaşlygy bolan ýokary hilli önümler we bäsdeşlik bahalary bilen üpjün edip biljek köp sanly ýokary hilli zawodlarymyz bar. Şeýle hem, köpçülikleýin satyn almak üçin arzanladyş berip bileris. Köp hünärli ýük ekspeditor kompaniýalary bilen hyzmatdaşlyk edýäris, önümleri ygtybarly we rahat eliňize berip bileris. Eltip beriş wagty, töleg tassyklanandan 3-20 gün soň.

 

Spesifikasiýa
Molecular Formula C8H8O3
Molar Mass 152.15
Density 1,46g/cm
Eriş nokady 125-128 °C (lit.)
Boling Point 298.6 °C
Flash Point 280°C
Suwuň çözülişi 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)
Daş görnüşi 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
Durnuklyk 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
Ulany Used as food, cosmetics and pharmaceutical mildewproofing agent

 

Ibermek we tölemek

 

 

Sorag-jogap

1. Siz zawodmy ýa-da söwda kompaniýasymy?
Biz bir bitewi hyzmaty hödürleýän senagaty we söwdany birleşdirýän birleşdiriji. OEM kabul edilip bilner.

2. Nusga berýärsiňizmi? Mugtmy ýa-da goşmaça?
Mugt nusgalar. Nusganyň ýük tölegini siziň tarapyňyz tölemeli.

3. Hil gözegçiligi bilen baglanyşykly şahadatnamalaryňyz barmy?
Hilini üpjün etmek üçin ISO 9001: 2008 kepilnamasy.

4. Sitata almak üçin näme bermeli?
Size zerur önümiň görnüşi, sargyt mukdary, salgysy we aýratyn talaplary barada habar beriň. Sitata salgylanma üçin wagtynda berler.

5. Haýsy töleg usulyny has gowy görýärsiňiz? Haýsy şertler kabul edilýär?
Kabul edilen gowşuryş şertleri: FOB, CFR, CIF, EXW;
Kabul edilen töleg walýutasy: USD;
Kabul edilen töleg görnüşi: T / T, Western Union; Paypal, Söwda kepilligi.
Gepleşik dili: Iňlis.

 

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