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Methylparaben
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.
Kami memiliki banyak pabrik berkualitas tinggi dengan kerja sama yang mendalam, yang dapat memberi Anda produk berkualitas tinggi dan harga yang kompetitif. Dan kami juga dapat memberikan diskon untuk pembelian dalam jumlah besar. Dan kami bekerja sama dengan banyak perusahaan ekspedisi profesional, dapat mengirimkan produk dengan aman dan lancar ke tangan Anda. Waktu pengiriman sekitar 3-20 hari setelah konfirmasi pembayaran.
| Molecular Formula | C8H8O3 |
| Molar Mass | 152.15 |
| Density | 1,46g/cm |
| Titik lebur | 125-128 °C (lit.) |
| Boling Point | 298.6 °C |
| Flash Point | 280°C |
| Kelarutan Air | 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) |
| Penampilan | 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 |
| Stabilitas | 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 |
| Menggunakan | Used as food, cosmetics and pharmaceutical mildewproofing agent |
1. Apakah Anda pabrik atau perusahaan dagang?
Kami adalah perusahaan yang mengintegrasikan industri dan perdagangan, menyediakan layanan satu atap. OEM dapat diterima.
2. Apakah Anda menyediakan sampel? Apakah gratis atau ekstra?
Sampel gratis. Biaya pengiriman sampel harus dibayar di sisi Anda.
3. Apakah Anda memiliki sertifikat terkait kendali mutu?
Sertifikasi ISO 9001:2008 untuk menjamin kualitas.
4. Apa yang harus saya berikan untuk mendapatkan penawaran?
Mohon informasikan kepada kami tentang jenis produk yang Anda butuhkan, jumlah pesanan, alamat, dan persyaratan spesifik. Kutipan akan dibuat untuk referensi Anda tepat waktu.
5. Metode pembayaran apa yang Anda sukai? Persyaratan apa yang diterima?
Ketentuan Pengiriman yang Diterima: FOB,CFR,CIF,EXW;
Mata Uang Pembayaran yang Diterima: USD;
Jenis Pembayaran yang Diterima: T/T,Western Union; Paypal, Jaminan Perdagangan.
Bahasa yang Digunakan: Bahasa Inggris.
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