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Methyl propionate(CAS#554-12-1)

Meatotino tau vailaau:

Fuafua mole C4H8O2
Molar Mass 88.11
Malosi 0.915 g/mL ile 25 °C (malamalama)
Lisi Lisi -88 °C (malamalama)
Manu'a 79 °C (malamalama)
Mata'imu 43°F
Numera JECFA 141
Suavai Solubility 5 g/100 mL ile 20 ºC
Solubility H2O: soluble16 vaega
Ausa Malo 40 mm Hg (11 °C)
Ausa Malosi 3 (vs ea)
Fa'aaliga Suavai
Lanu E manino le lanu
Merck 14,6112
BRN 1737628
Tulaga Teuteu Teu i lalo ole +30°C.
Maumau Stable. Sili ona mu. E le fetaui ma vailaʻau faʻamaʻi malosi, acids, faʻavae. Fausia fa'afefiloi papa ma le ea. Susū maaleale.
Tapulaa Pa 2.5-13%(V)
Fa'asino Upu n20/D 1.376(me.)
Meatotino Faaletino ma Vailaau Uiga o le vai e leai se lanu, tofo o fualaau aina.
mea liusuavai -87.5 ℃
mea vevela 79.8 ℃
va'aiga va'aiga 0.9150
fa'asino ole su'esu'e 1.3775
mea moli -2 ℃
solubility, hydrocarbons ma isi solvents organic miscible, soluble teisi i le vai.
Fa'aoga Fa'aaogaina e fai ma vaila'au, vaila'au fa'atosina, Mea manogi Intermediates

Fa'amatalaga Oloa

Faailoga o oloa

Tulaga lamatia R11 – Sili ona mu
R20 – E afaina pe a manava
R2017/11/20 -
Fa'amatalaga Saogalemu S16 – Tausia mai mea e mu ai.
S24 – Aloese mai le fa'afeso'ota'i ma le pa'u.
S29 – Aua le sasaa i totonu o alavai.
S33 – Fa'asagatau fa'asagatau le lafoa'i.
UN ID UN 1248 3/PG 2
WGK Siamani 1
RTECS UF5970000
TSCA Ioe
HS Code 2915 50 00
Vasega o Tulaga Lamatia 3
Fa'aputu Vaega II
Oona LD50 tautala tautala ile Lapiti: 5000 mg/kg

 

Folasaga

Methyl propionate, e lauiloa foi o le methoxyacetate. O lo'o ta'ua i lalo se folasaga i meatotino, fa'aoga, metotia o sauniuniga ma fa'amatalaga saogalemu o le methyl propionate:

 

Tulaga lelei:

- Fa'aaliga: Methyl propionate o se vai manino le lanu ma se manogi fa'apitoa.

- Solubility: Methyl propionate e sili atu ona solu i ava malosi ma eter solvents, ae itiiti soluble i le vai.

 

Fa'aaogā:

- Fa'aaogāga fa'apisinisi: Methyl propionate o se solu fa'aletino taua lea e fa'aaogaina lautele i pa'u, vaitusi, fa'apipi'i, mea fa'amama ma isi pisinisi.

 

Metotia:

O le sauniuniga o le methyl propionate e masani ona faʻamalosia:

CH3OH + CH3COOH → CH3COOCH2CH3 + H2O

Faatasi ai ma ia mea, o le methanol ma le acetic acid e gaoioi i lalo o le gaioiga a se faʻamalosi e fausia ai le methyl propionate.

 

Fa'amatalaga Saogalemu:

- Methyl propionate o se vai e mu ma e tatau ona taofia mai afi mumu ma vevela maualuga.

- O le aafia i le methyl propionate e ono afaina ai mata ma le pa'u, o lea e tatau ai ona faia ni puipuiga.

- Aloese mai le manavaina o le ausa o le methyl propionate ma e tatau ona galue i totonu o se nofoaga e faʻafefe lelei.

- I le tulaga ua fa'afuase'i ona 'ai po'o le manava, saili vave togafitiga faafoma'i.

 


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