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mankhwala

Diethyl sebacate(CAS#110-40-7)

Chemical Property:

Molecular Formula C14H26O4
Misa ya Molar 258.35
Kuchulukana 0.963 g/mL pa 25 °C (kuyatsa)
Melting Point 1-2 °C (kuyatsa)
Boling Point 312 °C (kuyatsa)
Pophulikira >230°F
Nambala ya JECFA 624
Kusungunuka kwamadzi pang'ono sungunuka
Kuthamanga kwa Vapor 0.018Pa pa 25 ℃
Maonekedwe madzi
Mtundu wopanda mtundu mpaka wotumbululuka wachikasu
Kununkhira vinyo wosasa wa vwende wa quince
Merck 14,8415
Mtengo wa BRN 1790779
Mkhalidwe Wosungira Sungani pansi +30 ° C.
Refractive Index n20/D 1.436(lit.)
Zakuthupi ndi Zamankhwala Izi ndi zamadzimadzi zopanda mtundu kapena zopepuka zachikasu zowoneka bwino. Fungo lapadera la Micro-Ester. Kachulukidwe wachibale wa 0.960 ~ 0.963 (20/4 C). Malo osungunuka: 1-2 ℃, Flash point:>110 ℃, Boiling Point: 312 ℃(760mmHg), refractive index: 1.4360, osasungunuka m'madzi, sungunuka mu mowa, ether ndi zosungunulira zina.
Gwiritsani ntchito Chifukwa mankhwalawa amagwirizana bwino ndi nitrocellulose ndi butyl acetate cellulose, nthawi zambiri amagwiritsidwa ntchito ngati plasticizer pazitsulo zotere ndi vinyl resins, ndipo angagwiritsidwe ntchito popanga organic synthesis, solvents, pigments ndi intermediates mankhwala.

Tsatanetsatane wa Zamalonda

Zolemba Zamalonda

Zizindikiro Zowopsa Xi - Zosangalatsa
Zizindikiro Zowopsa 38 - Zowawa pakhungu
Kufotokozera Zachitetezo S36 - Valani zovala zoyenera zodzitetezera.
S24/25 - Pewani kukhudzana ndi khungu ndi maso.
WGK Germany 2
Mtengo wa RTECS VS1180000
HS kodi 29171390
Poizoni LD50 pakamwa pa Kalulu: 14470 mg/kg

 

Mawu Oyamba

Diethyl sebacate. Zotsatirazi ndizofotokozera za chikhalidwe chake, kugwiritsa ntchito, njira zopangira ndi chitetezo:

 

Ubwino:

- Diethyl sebacate ndi madzi opanda mtundu, onunkhira.

- Mankhwalawa sasungunuka m'madzi koma amasungunuka muzosungunulira wamba.

 

Gwiritsani ntchito:

- Diethyl sebacate imagwiritsidwa ntchito ngati zosungunulira ndipo imagwiritsidwa ntchito kwambiri m'mafakitale monga zokutira ndi inki.

- Amagwiritsidwanso ntchito ngati zokutira ndi encapsulation zakuthupi kupereka nyengo ndi kukana mankhwala.

- Diethyl sebacate itha kugwiritsidwanso ntchito ngati zida zopangira ma antioxidants ndi ma polyurethanes osinthika.

 

Njira:

- Diethyl sebacate nthawi zambiri imakonzedwa ndikuchita kwa octanol ndi acetic anhydride.

- Yankhani octanol ndi chothandizira asidi (mwachitsanzo, sulfuric acid) kuti apange octanol wapakatikati.

- Kenako, acetic anhydride imawonjezedwa ndikusinthidwa kuti ipange diethyl sebacate.

 

Zambiri Zachitetezo:

- Diethyl sebacate imakhala ndi kawopsedwe kakang'ono pakagwiritsidwe ntchito.

- Komabe, imatha kulowa m'thupi la munthu pokoka mpweya, kukhudzana ndi khungu kapena kuyamwa, ndipo nthunzi zake ziyenera kupewedwa zikagwiritsidwa ntchito, kukhudzana kwa khungu kuyenera kupewedwa ndipo kumeza kuyenera kupewedwa.

- Valani zida zodzitetezera zoyenera, monga magolovesi ndi magalasi odzitchinjiriza, kuti mukhale ndi mpweya wabwino.

- Khungu kapena zovala zowonongeka ziyenera kutsukidwa bwino pambuyo pa ndondomekoyi.

- Ngati wamwedwa kapena kukomoka kwambiri, pitani kuchipatala mwachangu.


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