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Methylparaben

CAS 99-76-3 Methylparaben

 

  • Jina la bidhaa:

    Methylparaben

  • Daraja:

    Cosmetic/Pharmaceutical grade

  • Sifa:

    white powder

  • Ufungashaji:

    25kg / ngoma

  • MOQ:

    1 kilo

  • Hifadhi:Mahali Pema Kavu
  • Maisha ya rafu:miaka 2


Maelezo

Lebo

Maelezo ya bidhaa

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.

Maombi

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.

Faida

Tuna viwanda vingi vya ubora wa juu na ushirikiano wa kina, ambavyo vinaweza kukupa bidhaa za ubora wa juu na bei za ushindani. Na tunaweza pia kutoa punguzo kwa ununuzi wa wingi.Na tunashirikiana na makampuni mengi ya kitaalamu ya usambazaji wa mizigo, yanaweza kuwasilisha bidhaa kwa usalama na kwa urahisi mikononi mwako. Wakati wa uwasilishaji ni takriban siku 3-20 baada ya uthibitisho wa malipo.

 

Vipimo
Molecular Formula C8H8O3
Molar Mass 152.15
Density 1,46g/cm
Kiwango Myeyuko 125-128 °C (lit.)
Boling Point 298.6 °C
Flash Point 280°C
Umumunyifu wa Maji 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)
Mwonekano 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
Utulivu 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
Tumia Used as food, cosmetics and pharmaceutical mildewproofing agent

 

Usafirishaji na malipo

 

 

Maswali Yanayoulizwa Mara kwa Mara

1. Je, wewe ni kiwanda au kampuni ya biashara?
Sisi ni compnay kuunganisha sekta na biashara, kutoa one-stop service.OEM inaweza kukubalika.

2. Je, unatoa sampuli? Je, ni bure au ya ziada?
Sampuli zisizolipishwa. Ada ya mizigo ya sampuli inahitaji kulipwa na wewe.

3. Je, una vyeti vyovyote vinavyohusiana na udhibiti wa ubora?
Cheti cha ISO 9001:2008 ili kuhakikisha ubora.

4. Nitoe nini ili kupata nukuu?
Pls tufahamishe aina ya bidhaa unayohitaji, kiasi cha agizo, anwani na mahitaji maalum. Nukuu itafanywa kwa kumbukumbu yako kwa wakati.

5. Je, unapendelea njia gani ya malipo? Ni masharti ya aina gani yanakubaliwa?
Sheria na Masharti Yanayokubaliwa: FOB,CFR,CIF,EXW;
Sarafu ya Malipo Inayokubalika:USD;
Aina ya Malipo Yanayokubaliwa: T/T,Western Union; Paypal, Uhakikisho wa Biashara.
Lugha Inasemwa:Kiingereza.

 

Ikiwa una nia ya bidhaa zetu, unaweza kuchagua kuacha maelezo yako hapa, na tutawasiliana nawe baada ya muda mfupi.


Andika ujumbe wako hapa na ututumie