Methyl Acetoacetate Cas 105-45-3
Khoom npe:Methyl Acetoacetate
CAS:105-45-3
Mf:C5h8o3
Mw:116.12
Melting taw tes:-28 ° C
Boiling taw tes:169-170 ° C
Ntawj ntom:1.077 g / ml
Pob:1 L / Lub raj mis, 25 L / Nruas, 200 l / Nruas
1.Methyl acetoacetate yog ib qho kev sib txuam ntawm fungicandes, xws li oxadiazinol, tshuaj lom, pyrimeridyin, acbenticides acid, warfarin, Warfarin, thiab lwm yam.
2.Nws tau siv raws li kev tivthaiv ntawm cellulose ether ester tov cov kuab tshuaj, thiab kuj siv cov tshuaj synthic, zas xim, xim, polecular stabilizer, thiab lwm yam.
1. Organic Synthesis: Feem ntau siv los ua ib qho nrab hauv cov synthesis ntawm ntau cov organic cov cheeb tsam, suav nrog cov tshuaj, suav thiab lwm yam tshuaj zoo.
2. Lub tsev thaiv: Methyl acetoacetate yog lub tsev thaiv rau cov xwm txheej ntawm Heterocyclic Tebchaw thiab tuaj yeem siv los npaj ntau yam kev ua haujlwm.
3. Flinging: Vim nws cov txiv hmab txiv ntoo aroma, nws yog siv los ua cov tsw hauv kev lag luam khoom noj.
4. Cov kuab: Nws tuaj yeem ua raws li kev daws teeb meem nyob rau ntau yam tshuaj lom neeg cov kev tshua thiab cov txheej txheem.
5. Dyes thiab Pigments: Methyl acetoacetate tseem siv nyob rau hauv kev tsim ntawm qee yam tuag thiab pigments.
6. Kev Tshawb Fawb: Nws yog siv nyob rau hauv lub chaw soj ntsuam rau kev tshawb fawb, tshwj xeeb tshaj yog kev tshawb fawb txog cov organic cov tshuaj thiab cov tshuaj tiv thaiv.
Nws yog soluble hauv dej, soluble nyob rau hauv feem ntau cov kuab tshuaj organic.
1. Khaws rau hauv qhov chaw txias, tshuab ua kom muaj zog. Tseg deb ntawm hluav taws thiab cov khoom cua sov. Nws yuav tsum tau muab cais cais los ntawm oxidants thiab cov hauv paus muaj zog, thiab zam kev sib xyaw. Nruab nrog cov khoom tsim nyog ntau thiab ntau thiab ntau ntawm cov khoom siv hluav taws. Cov chaw cia khoom yuav tsum tau nruab nrog cov khoom siv kub ceev thiab cov khoom siv cia khoom haum.
2. Cov khoom no tau ntim rau hauv cov nruas txhuas. Nco ntsoov tias lub hau yog ntim zoo. Khaws rau hauv qhov chaw txias thiab muaj qhov cua. Kev tiv thaiv hluav taws. Khw thiab thauj tau raws li cov kev cai rau cov nplaim hluav taws xob nrog cov tshuaj lom thiab muaj kuab lom.
1. Thawv: Khaws cia rau hauv cov thawv kaw los tiv thaiv kev sib xyaw ua ke thiab kev paug. Siv cov ntim ua los ntawm cov ntaub ntawv uas tau tshaj tawm cov kuab tshuaj organic, xws li iav lossis qee qhov plastics.
2. Kub: Thov khaws nws rau hauv qhov chaw txias thiab qhuav, kom deb ntawm kev tshav ntuj ncaj qha thiab cov khoom kub. Qhov tseeb, nws yuav tsum tau muab cia rau hauv chav tsev kub lossis hauv tub yees, nyob ntawm cov kev cai tshwj xeeb.
3. Qhov cua: ua kom cov chaw cia tau yog qhov cua kom tsis txhob muaj vapor perpectulation.
4. Tsis sib thooj: Khaws deb ntawm cov muaj zog oxidants, acids thiab bases thaum lawv yuav ua kom muaj kev hloov pauv nrog methyl acetoacetate.
5. Daim ntawv lo: daim ntawv lo qhia meej nrog cov npe siv tshuaj, kev xav, thiab cov ntaub ntawv kev phom sij.
6. Kev ceev faj kev nyab xeeb: saib txhua daim ntawv qhia txog kev nyab xeeb (SDS) cov lus pom zoo thiab cov cai hauv zos txog cov khoom tsim kev puas tsuaj.
1. Zam kev sib cuag nrog oxidants. Nws yog cov khoom siv nplaim taws, thiab nws tuaj yeem tawm nrog dej tshuaj tsuag, hmoov tua neeg saib xyuas, pa roj carbon dioxide, thiab lwm yam thaum nws ntes hluav taws.
Tshuaj lom neeg cov khoom: tsaus liab thaum muaj ferric chloride. Nws yog rhaub nrog dej thiab decomposed rau hauv acetone, methanol thiab carbon dioxide.
2. Cov khoom no yog tsawg dua lom, piv qhov ncauj ld503.0g / kg. Cov nas tau raug nthuav tawm cov chav kom muaj zog rau 8 teev, tab sis tsis muaj kev tuag. Nws yog mentsis khaus khaus thiab narcotic. Lub airtightness ntawm cov khoom siv thiab qhov cua ntawm lub chaw ua haujlwm yuav tsum muaj zog. Cov neeg ua haujlwm hnav cov cuab yeej tiv thaiv tiv thaiv.
1. Kev tswj xyuas ua raws li: Ua kom ua raws li cov kev cai hauv zos, thiab thoob ntiaj teb cov kev pab cuam ntsig txog kev thauj mus los ntawm cov khoom siv phom sij. Methyl acetoacetate yuav raug cais ua cov kua hluav taws kub thiab yog li yuav tsum muaj cov cai thauj mus los tshwj xeeb.
2. Cov ntawv sau kom zoo: daim ntawv sau kom meej rau cov thawv xa khoom nrog cov cim hem phom thiab cov ntaub ntawv UN (yog muaj), suav nrog cov npe thauj khoom thiab cov lus ceeb toom uas tsim nyog.
3. Ntim: Siv cov khoom ntim ntim uas tsim nyog uas tau sib xws nrog methyl acetoacetate. Qhov no yuav ib txwm muaj xws li siv ntawm cov thawv pom zoo uas tuaj yeem tiv taus cov dej xau lossis nchuav.
4. Kev tswj kub: Yog tias tsim nyog, ua kom cov mob tsheb thauj khoom ruaj khov los tiv thaiv kev txwv lossis hloov cov tshuaj ntawm cov tshuaj.
5. Cov ntaub ntawv: Npaj thiab suav nrog tag nrho cov ntaub ntawv thauj khoom uas xav tau xws li cov ntaub ntawv nyab xeeb (SDS), thiab lwm yam ntaub ntawv xa khoom.
6. Kev kawm: ua kom cov neeg ua haujlwm tau koom nrog cov txheej txheem thauj mus los hauv kev tsim txom cov ntaub ntawv thiab nkag siab cov txheej txheem thaum muaj xwm txheej ceev lossis kev sib tsoo.
7. Cov lus teb thaum muaj xwm ceev: muaj phiaj xwm teb xwm ceev nyob rau hauv cov ntaub ntawv ntawm kev txeej lossis nchuav thaum thauj khoom. Qhov no suav nrog kev muaj cov khoom siv spill thiab tsim nyog cov cuab yeej siv ntawm tus kheej (PPE) npaj txhij.
Yog, methyl acetoacetate yog suav tias yog qhov txaus ntshai. Nov yog qee cov ntsiab lus tseem ceeb txog nws cov kev phom sij:
1. Flammability: methyl acetoacetate yog cov nplaim taws thiab tuaj yeem nthuav tawm cov phom phom yog tias raug kub thiab qhib hluav taws. Nws muaj flash nyem ntawm kwv yees li 50 ° C (122 ° F).
2. Kev Noj Qab Haus Huv Kev Nyab Xeeb: Raug rau Methyl acetoacetate tuaj yeem ua rau cov tawv nqaij, ob lub qhov muag thiab ua pa. Kev nqus tau ntawm vapors yuav ua rau mob taub hau, kiv taub hau lossis xeev siab. Lub sijhawm ntev lossis rov kis tau ntev tuaj yeem ua rau muaj kev noj qab haus huv ntau.
3. Ib puag ncig kev puas tsuaj: nws yuav ua rau muaj kev phom sij rau cov neeg muaj lub neej thiab yuav tsum tau ua kom tsis txhob muaj ib puag ncig.
4. Kev tswj hwm kev faib tawm: nyob ntawm cov kev cai thiab cov kev cai tshwj xeeb hauv koj thaj chaw, cov tshuaj loog tshwj xeeb uas xav tau cov khoom tsim kev puas tsuaj tshwj xeeb, kev thauj khoom thiab kev thauj mus los thiab thauj mus los.
