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Isobutyric acid (CAS#79-31-2)

Abubuwan Sinadarai:

Tsarin kwayoyin halitta Saukewa: C4H8O2
Molar Mass 88.11
Yawan yawa 0.95 g/mL a 25 ° C (lit.)
Matsayin narkewa -47 ° C (lit.)
Matsayin Boling 153-154 ° C (lit.)
Wurin Flash 132°F
Lambar JECFA 253
Ruwan Solubility 210 g/L (20ºC)
Solubility 618g/l
Tashin Turi 1.5 mm Hg (20 ° C)
Yawan Turi 3.04 (da iska)
Bayyanar Ruwa
Launi Share mara launi
Merck 14,5155
BRN 635770
pKa 4.84 (a 20 ℃)
PH 3.96 (1 mM bayani); 3.44 (10 mM bayani); 2.93 (100 mM bayani);
Yanayin Ajiya Adana a ƙasa + 30 ° C.
Iyakar fashewa 1.6-7.3% (V)
Fihirisar Refractive n20/D 1.393 (lit.)
Abubuwan Jiki da Sinadarai Ruwa mai mai mara launi tare da ƙaƙƙarfan ƙamshi.
narkewa -47 ℃
tafasar batu 154.5 ℃
girman dangi 0.949
Ma'anar refractive 1.3930
76.67
solubility ne miscible da ruwa, mai narkewa a cikin ethanol, ether, da dai sauransu.
Amfani Yafi amfani a cikin kira na isobutyric acid ester kayayyakin, kamar methyl, Propyl isobutyrate, isoamyl Ester, benzyl ester, da dai sauransu, za a iya amfani da matsayin edible kayan yaji, kuma ana amfani da Pharmaceutical.

Cikakken Bayani

Tags samfurin

Alamomin haɗari Xn - cutarwa
Lambobin haɗari 21/22 - Yana cutar da fata kuma idan an haɗiye shi.
Bayanin Tsaro S23 - Kar a shaka tururi.
S36 / 37/39 - Sanya tufafin kariya masu dacewa, safar hannu da kariya / ido / fuska.
S24/25 - Guji hulɗa da fata da idanu.
ID na UN UN 2529 3/PG 3
WGK Jamus 1
RTECS NQ4375000
FLUKA BRAND F CODES 13
Farashin TSCA Ee
HS Code Farashin 29156000
Matsayin Hazard 3
Rukunin tattarawa III
Guba LD50 na baki a cikin zomo: 266 mg/kg LD50 dermal Rabbit 475 mg/kg

 

Gabatarwa

Isobutyric acid, wanda kuma aka sani da 2-methylpropionic acid, wani fili ne na kwayoyin halitta. Mai zuwa shine cikakken gabatarwar ga kaddarorin, amfani, hanyoyin shirye-shirye da bayanan aminci na isobutyric acid:

 

inganci:

Bayyanar: Ruwa mara launi tare da wari na musamman.

Girma: 0.985 g/cm³.

Solubility: Mai narkewa a cikin ruwa da yawancin kaushi na kwayoyin halitta.

 

Amfani:

Magani: Saboda kyakkyawan narkewar sa, isobutyric acid ana amfani dashi sosai azaman sauran ƙarfi, musamman a cikin fenti, fenti, da masu tsaftacewa.

 

Hanya:

Hanyar gama gari na shirye-shiryen isobutyric acid ana samun su ta hanyar oxidation na butene. Ana yin wannan tsari ta hanyar mai kara kuzari kuma ana aiwatar da shi a yanayin zafi da matsa lamba.

 

Bayanin Tsaro:

Isobutyric acid wani sinadari ne mai lalata wanda zai iya haifar da haushi da lalacewa lokacin da yake hulɗa da fata da idanu, kuma ya kamata a sanya matakan da suka dace yayin amfani da shi.

Fitowar dogon lokaci na iya haifar da bushewa, fashewa, da rashin lafiyan halayen.

Lokacin adanawa da sarrafa isobutyric acid, yakamata a kiyaye shi daga buɗewar wuta da yanayin zafi don hana haɗarin wuta da fashewa.


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