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oloa

Monomethyl dodecanedioate(CAS#3903-40-0)

Meatotino tau vailaau:

Fuafua mole C13H24O4
Molar Mass 244.33
Malosi 1.012±0.06 g/cm3(Va'ai)
Lisi Lisi 51.5-52 °C
Manu'a 170 °C(Omi: 3 Torr)
Mata'imu 124.3°C
Solubility DMSO (Teisi, Fa'avevela), Methanol (Teisi)
Ausa Malo 5.28E-06mmHg ile 25°C
Fa'aaliga Malosi
Lanu Lanu pa'epa'e
pKa 4.78±0.10(Vailoaina)
Tulaga Teuteu Faamauina i le mago, Temperature Room
Fa'asino Upu 1.456
Fa'aoga Mo le tuʻufaʻatasiga o mea manogi, e mafai foi ona faʻaaogaina e fai ma sui o le polyester tumu, faʻamaʻi uamea mamafa, mea faʻapitoa polyurethane mata.

Fa'amatalaga Oloa

Faailoga o oloa

 

Folasaga

Monomethyl dodecanedioate, e taʻua foi o le octylcyclohexylmethyl ester, o se faʻalapotopotoga faʻapitoa.

 

Tulaga lelei:

- Fa'aaliga: Monomethyl dodecanedioate e masani ona maua o se vai e leai ni lanu.

- Solubility: Solu i solu fa'aletino pei ole ava malosi, ethers, ma ketones.

- Fa'amumu: Pe tusa o le 127°C.

 

Fa'aaogā:

- Monomethyl dodecanedioate o se vailaʻau mataʻutia mataʻutia, lea e masani ona faʻaaogaina i le sauniuniga o faʻamaʻi maualuga ma faʻamalosi maualuga.

- E mafai foʻi ona faʻaaogaina e fai ma mea faʻapipiʻi mo palasitika ma paʻu, faʻaleleia lo latou fetuutuunai ma gaioiga.

- Monomethyl dodecanedioate e mafai foi ona faʻaaogaina e avea o se mea mataʻutia mo le faʻaogaina o meaola, e pei o le saunia o vali, fluorescents, mea faʻafefeteina ma palasitika.

 

Metotia:

O le sauniuniga o le monomethyl dodecanedioate e masani ona faia i laasaga nei:

1. Fa'aopopo le dodecanedioic acid ma le methanol i le fa'aa'a.

2. Esterification tali i le vevela talafeagai ma le mamafa e masani ona manaʻomia le iai o se faʻamalosi e pei ole sulfuric acid poʻo le hydrochloric acid.

3. A maeʻa le tali, e vavae ese le oloa ma faʻamamāina e ala i le faʻamamaina poʻo le faʻamama.

 

Fa'amatalaga Saogalemu:

- Aloese mai le manava, fa'afeso'ota'i ma pa'u ma mata. O mea faigaluega puipuia talafeagai e pei o totigilima, matatioata puipui, ma lavalava puipui e tatau ona ofuina i le taimi o le taotoga.

- Aloese mai le fa'afeso'ota'i ma fa'ama'i fa'ama'i malolosi i le taimi e teu ai ma felauaiga e 'alofia ai le mu ma le pa.

- Pe a tagofia ma lafoai otaota, ia usitaʻia tulafono ma tulafono faatonutonu talafeagai, ma lafoai otaota ma le tatau.


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