2 2-Dimethyl-1 3-dioxan-5-tasi（CAS# 74181-34-3)
| Fa'ailoga Mata'utia | Xi – Irita |
| Tulaga lamatia | R36/37/38 – Fa'aitaita'i i mata, faiga manava ma le pa'u. R41 – Tulaga lamatia o le faaleagaina mata R37/38 – Fa'aitaita i le manava ma le pa'u. |
| Fa'amatalaga Saogalemu | S26 – Pe a pa'i i mata, fufulu vave i le tele o vai ma saili fautuaga fa'afoma'i. S37/39 – Fai totigilima talafeagai ma le puipuiga o mata/mata S39 – Fai le puipuiga o mata/mata. S24/25 – Aloese mai le fa'afeso'ota'i ma pa'u ma mata. |
| UN ID | 1993 |
| HS Code | 29141900 |
| Vasega o Tulaga Lamatia | 3 |
| Fa'aputu Vaega | III |
Folasaga
2,2-dimethyl-1, 3-dioxan-5-one o se faʻalapotopotoga faʻapitoa ma le fua C6H10O3. O lo'o taua i lalo se fa'amatalaga o lona natura, fa'aoga, sauniuniga ma fa'amatalaga saogalemu:
natura:
2,2-Dimethyl-1,3-dioxan-5-one o se vai e leai ni lanu ma se manogi ketone faapitoa. O lo'o i ai le mamafa o le 0.965 g/mL, o le vela o le 156-157°C, ma le moli moli o le 60°C. E mafai ona solu i le tele o solvents organic pei ole ethanol, ethyl acetate ma le dichloromethane.
Fa'aaogā:
2,2-Dimethyl-1,3-dioxan-5-one o se faʻaoga masani ole synthesis intermediate. E mafai ona faʻaaogaina e avea o se ketonizing agent, esterifying agent ma condensing agent i le faʻasologa. E mafai ona faʻaaogaina i le tuʻufaʻatasia o isi faʻalapotopotoga faʻapitoa, e pei o paʻu, resins, vali, vailaʻau ma vailaʻau lelei.
Sauniuniga auala:
Ole auala sauniuni ole 2,2-Dimethyl-1,3-dioxan-5-one e mafai ona ausia e le Uskberg oxidation reaction. Aemaise lava, 1,3-butanediol e faʻaalia ma le methyl iodide e maua ai le 2,2-dimethyl -1,3-dioxane. Ma, o le 2,2-dimethyl -1,3-dioxane e tuʻuina atu i se faʻamaʻi faʻamaʻi i luma o le iodine, ma o le oloa o le 2,2-Dimethyl-1,3-dioxan-5-one.
Fa'amatalaga Saogalemu:
