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Isobutyric acid(CAS#79-31-2)

Meatotino tau vailaau:

Fuafua mole C4H8O2
Molar Mass 88.11
Malosi 0.95 g/mL ile 25 °C (malamalama)
Lisi Lisi -47 °C (malamalama)
Manu'a 153-154 °C (malamalama)
Mata'imu 132°F
Numera JECFA 253
Suavai Solubility 210 g/L (20 ºC)
Solubility 618g/l
Ausa Malo 1.5 mm Hg (20 °C)
Ausa Malosi 3.04 (vs ea)
Fa'aaliga Suavai
Lanu E manino le lanu
Merck 14,5155
BRN 635770
pKa 4.84(i le 20 ℃)
PH 3.96(1 mM fofo);3.44(10 mM fofo);2.93(100 mM fofo);
Tulaga Teuteu Teu i lalo ole +30°C.
Tapulaa Pa 1.6-7.3%(V)
Fa'asino Upu n20/D 1.393(me.)
Meatotino Faaletino ma Vailaau Sua suau'u e le lanu ma le manogi malosi.
mea liusuavai -47 ℃
mea vevela 154.5 ℃
va'aiga va'aiga 0.949
fa'asino ole su'esu'e 1.3930
mea moli 76.67
solubility e fa'afefiloi ma vai, soluble i le ethanol, eter, ma isi.
Fa'aoga E masani ona faʻaaogaina i le tuʻufaʻatasia o oloa ester isobutyric acid, e pei o le methyl, Propyl isobutyrate, isoamyl Ester, benzyl ester, ma isi, e mafai ona faʻaaogaina e pei o mea manogi suamalie, faʻaaogaina foi i vailaʻau.

Fa'amatalaga Oloa

Faailoga o oloa

Fa'ailoga Mata'utia Xn – Fa'aleagaina
Tulaga lamatia 21/22 – E afaina pe a pa‘i i le pa‘u ma pe a folo.
Fa'amatalaga Saogalemu S23 – Aua le mānavaina le ausa.
S36/37/39 – Fai ofu puipui talafeagai, totigilima ma mata/mata.
S24/25 – Aloese mai le fa'afeso'ota'i ma pa'u ma mata.
UN ID UN 2529 3/PG 3
WGK Siamani 1
RTECS NQ4375000
FLUKA BRAND F CODES 13
TSCA Ioe
HS Code 29156000
Vasega o Tulaga Lamatia 3
Fa'aputu Vaega III
Oona LD50 tuugutu ile Lapiti: 266 mg/kg LD50 dermal Lapiti 475 mg/kg

 

Folasaga

Isobutyric acid, lea e taʻua foi o le 2-methylpropionic acid, o se faʻalapotopotoga faʻapitoa. O loʻo taua i lalo se faʻamatalaga auiliili i meatotino, faʻaoga, metotia sauniuni ma faʻamatalaga saogalemu o le isobutyric acid:

 

Tulaga lelei:

Fa'aaliga: Suavai e le lanu ma se manogi manogi fa'apitoa.

Malosi: 0.985 g/cm³.

Solubility: Solu i le vai ma le tele o solu faʻaola.

 

Fa'aaogā:

Solvents: Ona o lona solubility lelei, o le isobutyric acid o loʻo faʻaaogaina lautele e fai ma solvent, aemaise lava i vali, vali, ma faʻamamaina.

 

Metotia:

O se auala masani o le saunia o le isobutyric acid e maua mai i le faʻamaʻiina o le butene. O lenei faagasologa e faʻapipiʻiina e se faʻamalosi ma e faia i le maualuga o le vevela ma le mamafa.

 

Fa'amatalaga Saogalemu:

O le Isobutyric acid ose vaila'au pala e mafai ona fa'aita ma fa'aleagaina pe a fa'afeso'ota'i ma le pa'u ma mata, ma e tatau ona ofuina ni puipuiga talafeagai pe a fa'aaogaina.

O le a'afia umi e ono mafua ai le mago, ta'e, ma fa'ama'i.

Pe a teuina ma tagofia le isobutyric acid, e tatau ona taofia mai le mumū ma le vevela maualuga e puipuia ai le afi ma le pa.


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