Cov khoom lag luam
Cov tshuaj yeeb tshuaj rau cas? {{{{19715-19-6 yog 3, 5- bis-tert-butylsalicylic acid. Nws tseem yog lub npe hu ua 3, {6}} di-ter-butylsalicylic acid, 3, {}} hydroxybidenzoic acid. Nws molecular mis yog c₁₅h₂₂o₃ thiab nws cov molecular hnyav yog 250.338.
3, {5-} bis-tert-butylsalicylic acid zoo li yog tawm-dawb rau beige hmoov. Nws qhov ntom yog li 1. {{20} × ×} × 10 degree, lub caij sov 10 degree, thiab kev kwv yees acidity coeffity (pka) yog 3.34 ± 0.14.
Cov ntaub ntawv yooj yim
| Khoom npe | Antioxidant 3, {5- bis-tert-butylsalicylic acid c15h2o3 |
| Cas | 19715-19-6 |
| Mf | C15H22O3 |
| Mw | 250.33 |
| Einecs tooj | 243-246-6 |
| Kev tshwm sim | hmoov |
| Melting point | {{0 {}} degree (lit.) |
| Kub taw tes | 335.6 ± 42. {0 degree (kwv yees) |
| Ceev | 1. {{0 70 ± 0. 0.06 g / cm3 (kwv yees) |
| Fp | 179 degree |
Cov Ntaub Ntawv Kev Nyab Xeeb
Cov Khoom Muag Khoom Phom Sij
Xi - tsis sib haum
Lub Sijhawm Pheej Hmab
36/37 / {38 -} chim rau lub qhov muag, ua pa ua pa thiab cov tawv nqaij.
Cov lus nyab xeeb
S 26 - Thaum muaj kev sib cuag nrog lub qhov muag, yaug tamsis muaj cov lus qhia txog kev kho mob ntau ntxiv.
S 36 - Hnav cov khaub ncaws tiv thaiv haum.
Wgk lub teb chaws Yelemees 3
Kev siv
Ua ib qho antioxidant: 3, 5 - bis - tertyco acid tau zoo inhibit cov tshuaj tiv thaiv oxidation ntawm cov ntaub ntawv. Nws tuaj yeem siv rau cov ntaub ntawv polymer xws li plastics, roj hmab, thiab tshuaj lom neeg, tiv thaiv lawv ntawm oxidizing thaum lub sijhawm cia, kev ua haujlwm, thiab siv. Dhau li ntawm, nws tuaj yeem siv ua antioxidant hauv cov khoom lag luam xws li zaub mov thiab tshuaj pleev ib ce kom tiv thaiv lipid oxidation.
Tuam txhab tau
Gnee Chem yog kev nkag rau cov kev tshawb fawb, kev txhim kho, ntau lawm thiab muag ntawm lub xeev Henan, npog thaj tsam ntawm 3,600 square metres. Peb muaj tus kws tshaj lij, zoo-nruab nrog thiab cov pab pawg R & D muaj ntau dua 10 xyoo ntawm R & D kev paub. Peb cov khoom tau dav exported rau ntau lub tebchaws, xws li Tebchaws Asmeskas, Tebchaws Russia, Tebchaws Asmeskas, Tebchaws Asmeskas, thiab peb muab cov qhua tuaj noj mov nrawm. Peb cia siab tias tsim kev sib koom tes ntev thiab muaj kev sib koom tes sib koom tes nrog cov phooj ywg ntxiv yav tom ntej, thiab muab cov khoom lag luam thiab cov kev pabcuam zoo tshaj rau peb cov neeg siv khoom.
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Cim npe nrov: Antioxidant 3, 5- bis-tert-bisylsalicylic acid c15h
