Methylparaben Pham Qib Nrog Cas 99-76-3 NIPAGIN
Dawb crystalline hmoov los yog siv lead ua tsis muaj xim, yooj yim soluble hauv cawv, ether thiab acetone, me ntsis soluble hauv dej, boiling point 270-280 ℃. Siv Methyl paraben feem ntau yog siv los ua cov kab mob bactericidal preservative hauv organic synthesis, khoom noj khoom haus, tshuaj pleev ib ce thiab tshuaj, thiab kuj yog ib tug preservative nyob rau hauv pub.
| Khoom npe: | Methylparaben | Batch No. | JL20220623 |
| Cas | 99-76-3 ib | MF Hnub tim | Lub Rau Hli 23, 2022 |
| Ntim | 25KGS/Nruas | Hnub Soj Ntsuam | Lub Rau Hli 23, 2022 |
| Ntau | 2 MT ib | Hnub Kawg | Lub Rau Hli 22, 2024 |
| Yam khoom | STANDARD | TSEEM CEEB | |
| Qhov tshwm sim | Dawb Crystalline hmoov | Ua raws | |
| Kev soj ntsuam | HPLC | Ua raws | |
| Kev ntsuas % | 99.0-100.5 Nws | 99.43% | |
| Organic impurities% | P-Hydroxybenzoic acid | NMT 0.5 | |
| Unspecified impurities | NMT 0.5 | ||
| Tag nrho impurities | NMT 1.0 | ||
| Melting Point ℃ | 125-128 : kuv | 126.1 ib | |
| Cov seem% | ≤0.1 | 0.03 ib | |
| Acid | Dhau | Dhau | |
| Qhov tshwm sim ntawm kev daws teeb meem | Dhau | Dhau | |
| Residual Solvents | 3000 ppm Methanol siab tshaj plaws | Dhau | |
| Heavy Hlau (Pb) | ≤10ppm | <10ppm | |
| Poob ntawm ziab% | ≤0.50 | 0.21 ib | |
| Xaus | Tsim nyog | ||
1.Cov tshuaj tua kab mob; Cov tshuaj tiv thaiv kab mob.
2.Siv raws li ib tug preservative, kuj siv nyob rau hauv cov tshuaj thiab organic synthetic daim ntaub ntawv raws li zaub mov, tshuaj pleev ib ce thiab kho mob mildew repellent
3.Nws yog siv nyob rau hauv kev lag luam kws tshuaj raws li ib tug antiseptic thiab fungicide, kuj siv nyob rau hauv organic synthesis thiab zaub mov, txuj lom, zaj duab xis thiab lwm yam corrosion tiv thaiv additives. Cov khoom no irritates daim tawv nqaij.
4.Antiseptic rau kom tsis muaj menyuam. Kev tshawb fawb txog kev sib txuas ntawm steroid hormones.
25kgs nruas los yog yuav tsum tau ntawm cov neeg siv khoom. Khaws nws kom deb ntawm lub teeb ntawm qhov kub hauv qab 25 ℃.
Methylparaben Pham Qib Nrog Cas 99-76-3 NIPAGIN
