Ethylparaben 120-47-8
Khoom npe: Ethylparaben CAS: 120-47-8 Nr MF: C9H10O3 PIB: 166.17 PIB: 204-399-4 Melting point: 114-117 ° C (lit.) Kub taw tes: 297-298 ° C (lit.) Qhov ceev: 1.1708 (nruab nrab kwv yees) Vapor siab: 0.00012 hPa (25 ° C) Refractive Index: 1.5286 (kwv yees) Fp: 297-298 ° C Cia kub: 2-8 ° C Pka: 8.31 ± 0.13 (Predicted) Daim ntawv: Crystalline hmoov Xim: Dawb PH: 4.5-5.5 (H2O, 20 ° C) (saturated tov) PIB: 14,3837 PIB: 11019722
Organic intermediates. Siv raws li ib tug preservative, antibacterial neeg sawv cev, Siv rau hauv cov khoom noj, tshuaj pleev ib ce, thiab tshuaj. Nws kuj tseem siv tau los ua cov tshuaj ntsuam xyuas cov organic reagent.
1, T / T
2, L / C
3, Visa
4, credit card
5, Paypal ua
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7, Western union
8, MoneyGram
9 Tsis tas li ntawd, qee zaum peb kuj lees txais Bitcoin.
Packed nyob rau hauv hlau nruas lined nrog lub hnab yas. Tsis muaj cov cai tshwj xeeb rau kev khaws cia thiab kev thauj mus los.
Cov khoom no yog cov tshuaj bactericidal heev nrog phenol coefficient ntawm 8.0. Tsawg heev toxicity, tsis muaj irritation rau tib neeg daim tawv nqaij.
Cov lus qhia dav dav Tham nrog kws kho mob. Muab daim ntawv qhia kev nyab xeeb no rau tus kws kho mob ntawm qhov chaw. Ua pa Yog tias nqus tau, txav tus neeg mob mus rau huab cua ntshiab. Yog tias ua tsis taus pa, ua pa tawm dag zog. Tham nrog kws kho mob. tiv thaiv daim tawv nqaij Yaug nrog xab npum thiab dej ntau. Tham nrog kws kho mob. qhov muag sib cuag Yaug kom huv nrog dej kom tsawg li 15 feeb thiab nrog kws kho mob tham. Noj Tsis txhob muab ib yam dab tsi los ntawm qhov ncauj rau tus neeg tsis nco qab. Yaug koj lub qhov ncauj nrog dej. Tham nrog kws kho mob.
