Ethyl 4 4-difluorovalerate（CAS# 659-72-3)
| Fa'ailoga Mata'utia | Xn – Fa'aleagaina |
| Tulaga lamatia | R10 – Mumu R18 – O lo'o fa'aogaina e ono fa'afefiloi ai ausa-ea e mu/pa R20/22 – E afaina pe a manava ma pe a foloina. R36/37/38 – Fa'aitaita'i i mata, faiga manava ma le pa'u. |
| Fa'amatalaga Saogalemu | 26 – Pe a pa‘i i mata, fufulu vave i le tele o vai ma sa‘ili fautuaga fa‘afoma‘i. |
| UN ID | UN 3272 3 / PGIII |
| WGK Siamani | 3 |
Folasaga
Ethyl 4,4-difluoropentanoate, vaila'au fa'ata'ita'i C6H8F2O2, o se fa'alapotopotoga fa'aola. O lo'o taua i lalo se fa'amatalaga o lona natura, fa'aoga, sauniuniga ma fa'amatalaga saogalemu:
natura:
-Fa'aaliga: vai e leai ni lanu
-Molecular mamafa: 146.12g/mol
-Fa'asao: 142-143°C
-Miomio: 1.119 g/mL
-Solubility: Solu i solu organic, le solu i le vai
- Faʻamautu: mautu, ae faigofie ile malamalama, vevela, oxidants ma acids
Fa'aaogā:
-Ethyl 4,4-difluoropentanoate o se mea taua faʻapipiʻi faʻapipiʻiina, lea e iai le tele o faʻaoga i totonu o vailaʻau, vailaau faʻasaina ma le vali. E mafai ona faʻaaogaina e fai ma faʻataʻitaʻiga mo le tuʻufaʻatasia o vailaʻau faʻamaʻi, vailaʻau faʻamaʻi ma vali, faʻapea foʻi ma le saunia o isi mea faʻapitoa.
- 4,4-difluoropentanoic acid ethyl ester e mafai ona faʻaaogaina e avea ma solvent, esterification reagent ma catalyst i le faʻaogaina o meaola.
Sauniuniga auala:
O le sauniuniga o le ethyl 4,4-difluoropentanoate e masani ona faia i laasaga nei:
1. Muamua, o le pentanoic acid e faʻafefe i le sulfur difluoride e maua ai le 4,4-difluoropentanoic acid.
2.4,4-difluoropentanoic acid ona tali atu lea ma le ethanol i lalo o tulaga oona e gaosia ai le ethyl 4,4-difluoropentanoate.
Fa'amatalaga Saogalemu:
- 4,4-difluoropentanoic acid ethyl ester o se vai mumu, teuina ma le gaioiga e tatau ona gauai atu e aloese mai le afi ma le mumū.
-fa'aoga tatau ona fai matatioata puipui ma totigilima, aloese mai le fa'afeso'ota'i ma le pa'u ma le manava o lona ausa.
-Fa'agaoi i totonu o se nofoaga e fa'alelei lelei ina ia aloese mai le ulufale atu i le manava.
-Afai na pa'i fa'afuase'i pe ave i se mea sese, fufulu vave i le tele o vai ma saili vave togafitiga faafoma'i.
