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mankhwala

Isobutyric acid(CAS#79-31-2)

Chemical Property:

Molecular Formula C4H8O2
Misa ya Molar 88.11
Kuchulukana 0.95 g/mL pa 25 °C (kuyatsa)
Melting Point -47 °C (kuyatsa)
Boling Point 153-154 ° C (kuyatsa)
Pophulikira 132 ° F
Nambala ya JECFA 253
Kusungunuka kwamadzi 210 g/L (20 ºC)
Kusungunuka 618g/l
Kuthamanga kwa Vapor 1.5 mm Hg (20 °C)
Kuchuluka kwa Vapor 3.04 (vs mpweya)
Maonekedwe Madzi
Mtundu Zopanda mtundu
Merck 14,5155
Mtengo wa BRN 635770
pKa 4.84 (pa 20 ℃)
PH 3.96(1 mm solution);3.44(10 mm solution);2.93(100 mm solution);
Mkhalidwe Wosungira Sungani pansi +30 ° C.
Zophulika Malire 1.6-7.3% (V)
Refractive Index n20/D 1.393(lit.)
Zakuthupi ndi Zamankhwala Mafuta amadzimadzi opanda mtundu okhala ndi fungo lamphamvu.
malo osungunuka -47 ℃
kutentha kwa 154.5 ℃
kachulukidwe wachibale 0.949
Refractive index 1.3930
mfundo ya 76.67
solubility ndi miscible ndi madzi, sungunuka Mowa, etha, etc.
Gwiritsani ntchito Amagwiritsidwa ntchito kwambiri popanga zinthu za isobutyric acid ester, monga methyl, Propyl isobutyrate, isoamyl Ester, benzyl ester, etc.

Tsatanetsatane wa Zamalonda

Zolemba Zamalonda

Zizindikiro Zowopsa Xn - Zowopsa
Zizindikiro Zowopsa 21/22 - Zowopsa pokhudzana ndi khungu komanso ngati zitamezedwa.
Kufotokozera Zachitetezo S23 - Osapuma mpweya.
S36/37/39 - Valani zovala zodzitchinjiriza zoyenera, magolovesi ndi chitetezo chamaso / kumaso.
S24/25 - Pewani kukhudzana ndi khungu ndi maso.
Ma ID a UN UN 2529 3/PG 3
WGK Germany 1
Mtengo wa RTECS NQ4375000
FLUKA BRAND F CODES 13
TSCA Inde
HS kodi 29156000
Kalasi Yowopsa 3
Packing Group III
Poizoni LD50 pakamwa pa Kalulu: 266 mg/kg LD50 dermal Kalulu 475 mg/kg

 

Mawu Oyamba

Isobutyric acid, yomwe imadziwikanso kuti 2-methylpropionic acid, ndi organic pawiri. Zotsatirazi ndizofotokozera mwatsatanetsatane za katundu, ntchito, njira zokonzekera ndi chidziwitso cha chitetezo cha isobutyric acid:

 

Ubwino:

Maonekedwe: Madzi opanda mtundu okhala ndi fungo lapadera.

Kulemera kwake: 0.985 g/cm³.

Kusungunuka: Kusungunuka m'madzi ndi zosungunulira zambiri.

 

Gwiritsani ntchito:

Zosungunulira: Chifukwa cha kusungunuka kwake kwabwino, isobutyric acid imagwiritsidwa ntchito kwambiri ngati zosungunulira, makamaka mu utoto, utoto, ndi zotsukira.

 

Njira:

Njira yodziwika bwino yokonzekera isobutyric acid imapezeka ndi okosijeni wa butene. Njirayi imayambitsidwa ndi chothandizira ndipo imachitika pa kutentha kwakukulu ndi kupanikizika.

 

Zambiri Zachitetezo:

Isobutyric acid ndi mankhwala owononga omwe angayambitse kupsa mtima ndi kuwonongeka pamene akhudzana ndi khungu ndi maso, ndipo kusamala koyenera kuyenera kuvala mukamagwiritsa ntchito.

Kuwonekera kwa nthawi yayitali kungayambitse kuyanika, kusweka, ndi kuyabwa.

Posunga ndikugwiritsa ntchito isobutyric acid, iyenera kusungidwa kutali ndi malawi otseguka komanso kutentha kwambiri kuti zipewe ngozi zamoto ndi kuphulika.


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