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2-Methyl-3,4-Pentadienoic Acid Ethyl Ester (CAS # 60523-21-9)

Chemical Property:

Molecular Formula C8H12O2
Molar Mass 140.18 Nws
Qhov ntom 0.886 ± 0.06 g / cm3 (Kev kwv yees)
Boling Point 172.6 ± 10.0 ° C (Kev kwv yees)
JECFA Number 353
Physical thiab Chemical Properties Boiling point 160 ℃ lossis 88 ~ 90 ℃ (7333Pa). Nws yog fruity, nrog berries, pears thiab txiv apples.

Product Detail

Khoom cim npe

 

Taw qhia

Ethyl 2-methyl-3,4-pentadienoic acid yog ib qho organic compound, feem ntau abbreviated li MEHQ. Cov hauv qab no yog kev qhia txog qhov xwm txheej, kev siv, kev tsim khoom thiab cov ntaub ntawv kev nyab xeeb ntawm MEHQ:

 

Zoo:

- Cov tsos mob: MEHQ yog xim tsis muaj xim rau lub teeb daj.

- Solubility: MEHQ yog soluble hauv qee cov organic solvents xws li ethers, cawv thiab ketones, thiab insoluble hauv dej.

 

Siv:

- Antioxidants: MEHQ yog dav siv los ua cov tshuaj tua kab mob hauv cov roj hmab thiab cov khoom yas kom ntev nws lub neej nyob rau hauv qhov kub thiab txias thiab UV hluav taws xob.

- Lub teeb stabilizers: MEHQ kuj tseem siv rau hauv cov tshuaj pleev thaiv hnub thiab tshuaj pleev thaiv hnub vim nws cov khoom tiv thaiv UV.

 

Txoj kev:

Ib hom kev npaj ntawm MEHQ yog los ntawm esterification ntawm 2-methyl-3,4-pentadienic acid (Mesaconic acid) nrog ethanol, feem ntau nyob rau hauv acidic tej yam kev mob.

 

Cov ntaub ntawv kev nyab xeeb:

MEHQ yog ib yam tshuaj lom neeg uas tuaj yeem ua rau muaj kev phom sij rau kev noj qab haus huv yog tias pom thiab nqus tau. Nov yog qee qhov kev tiv thaiv kev nyab xeeb:

- Hnav cov khoom tiv thaiv tsim nyog, xws li cov looj tsom iav thiab hnab looj tes, thaum siv.

- Siv nyob rau hauv qhov chaw uas muaj cua zoo thiab tsis txhob nqus nws cov vapors.

- Khaws rau hauv lub thawv airtight, kom deb ntawm hluav taws kub thiab kub.

 


  • Yav dhau los:
  • Tom ntej:

  • Sau koj cov lus ntawm no thiab xa tuaj rau peb