Methylparaben Pham Giredhi NeCas 99-76-3 NIPAGIN
White crystalline poda kana kristaro isina ruvara, inonyungudika zviri nyore mudoro, ether uye acetone, yakanyanya kunyungudika mumvura, inofashaira poindi 270-280 ℃.Shandisa Methyl paraben inonyanya kushandiswa se bactericidal preservative mu organic synthesis, chikafu, cosmetics uye mushonga, uye zvakare sekuchengetedza mukudya.
| Product Name: | Methylparaben | Batch Nha. | JL20220623 |
| Cas | 99-76-3 | MF Date | Jun. 23, 2022 |
| Packing | 25KGS/DRUM | Analysis Date | Jun. 23, 2022 |
| Quantity | 2MT | Expiry Date | Jun. 22, 2024 |
| ITEM | STANDARD | RESULT | |
| Chitarisiko | White Crystalline Powder | Conform | |
| Kuongorora | HPLC | Conform | |
| Assay % | 99.0-100.5 | 99.43% | |
| Organic tsvina % | P-Hydroxybenzoic asidhi | NMT 0.5 | |
| Tsvina isina kutaurwa | NMT 0.5 | ||
| Zvose zvisina kuchena | NMT 1.0 | ||
| Melting Point ℃ | 125-128 | 126.1 | |
| Residu % | ≤0.1 | 0.03 | |
| Acid | Akapasa | Akapasa | |
| Kuonekwa kwemhinduro | Akapasa | Akapasa | |
| Residual Solvents | 3000 ppm Methanol yakawanda | Akapasa | |
| Heavy Metal (Pb) | ≤10ppm | <10ppm | |
| Kurasikirwa pakuomeswa % | ≤0.50 | 0.21 | |
| Mhedziso | Qualified | ||
1.Preservatives;Anti-microbial agents.
2.Inoshandiswa sekuchengetedza, inoshandiswawo mumishonga uye organic synthetic applications sechikafu, cosmetics uye mishonga inodzinga mildew.
3.Iyo inoshandiswa muindasitiri yemishonga seantiseptic uye fungicide, inoshandiswawo muorganic synthesis uye chikafu, zvinonhuwira, firimu uye zvimwe zvinongedzo zvekudzivirira ngura.Ichi chigadzirwa chinoshungurudza ganda.
4.Antiseptic ye sterilization.Zvidzidzo pamusoro pekugadzirwa kwehomoni steroid.
25kgs chigubhu kana zvinodiwa nevatengi.Chengetedza kure nechiedza pane tembiricha iri pasi pe25 ℃.
Methylparaben Pham Giredhi NeCas 99-76-3 NIPAGIN
