Methacrolein CAS 78-85-3 (Stabilized nrog HQ) Purity > 99.0% (GC) Hoobkas
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Tshuaj npe | Methacrolein (Stabilized nrog HQ) |
Synonyms | Methacrylaldehyde (Stabilized nrog HQ) |
CAS Nr | 78-85-3 : kuv |
CAT Number | Qauv TSIS MUAJ: RF-PI2047 |
Tshuag xwm txheej | Nyob rau hauv Tshuag, ntau lawm Scale mus txog Tons |
Molecular Formula | C4H6O |
Molecular Luj | 70.09 ib |
Melting Point | -81 ℃ |
Boiling Point | 68.0 ~ 70.0 ℃ (lit.) |
Flash Point | -15 ℃ |
rhiab heev | Thaum tshav kub kub, lub teeb thiab cua rhiab heev |
Solubility hauv dej | Soluble hauv dej, Degree ntawm Solubility hauv dej 60 g / l 20 ℃ |
Solubility | Miscible Nrog Ether, Ethanol |
Hazard | 3 Flammable Liquids |
Hom | Ruifu Tshuaj |
Yam khoom | Specifications |
Qhov tshwm sim | Colorless rau lub teeb daj ntshiab kua |
Methanol | <0.50% |
Propionaldehyde | <0.50% |
Moisture (KF) | <0.50% |
Methacrolein | > 99.0% (GC) |
Stabilizer (1% HQ) | Ua raws |
Refractive Index n20/D | 1.412-1.419 ib |
Lub ntiajteb txawj nqus (20/20 ℃) | 0.840 ~ 0.858 hli |
Infrared Spectrum | Raws li tus qauv |
Proton NMR Spectrum | Raws li tus qauv |
Test Standard | Enterprise Standard |
Pob: Fluorinated Fwj, 25kg / Nruas, los yog raws li tus neeg yuav tsum tau muaj
Cia txias:Khaws rau hauv cov thawv ntim khoom ntawm qhov chaw txias thiab qhuav;Tiv thaiv los ntawm lub teeb thiab noo noo
Methacrolein los yog Methacrylaldehyde (stabilized nrog HQ) (CAS 618-89-3), yog ib qho unsaturated aldehyde.Nws yog cov kua ua kua.Kev lag luam, kev siv cov tshuaj methacrolein yog siv los ua cov khoom siv polymers, hluavtaws cob thiab cov yas.Kev raug tshuaj methacrolein ua rau khaus heev rau qhov muag, qhov ntswg, caj pas thiab lub ntsws.Nws ua raws li raw khoom ntawm methylmalonic acid, thermoplastic roj thiab hauv kev npaj ntawm 2,3-Dibromo-2-methyl-propionaldehyde.Lub teeb thiab huab cua rhiab heev.Tsis sib haum nrog cov hauv paus muaj zog, muaj zog oxidizing cov neeg ua haujlwm, muaj zog txo cov neeg ua haujlwm.Khaws rau hauv qhov chaw txias.Methacrolein ntawm oxidation tshaj heteropoly acid catalysts (tsuas yog 12-molybdophosphoric acid) ntawm 300 ℃ yields methacrylic acid.Nws yog cov khoom lag luam tseem ceeb ntawm isoprene oxidation.Methacrolein tau siv los kawm txog cov txiaj ntsig ntawm qhov chaw ib billion qib ntawm limonene oxidation cov khoom thiab cov khoom terpene oxidation, Methacrolein ntawm tib neeg lub qhov muag blink zaus.Nws kuj tau siv rau hauv kev txiav txim siab tus nqi tsis tu ncua thiab cov khoom ntawm cov tshuaj tiv thaiv ntawm atomic chlorine thiab acrolein, methacrolein thiab methyl vinyl ketone.