3 3 3-trifluoro-2 2-dimethylpropanoic acid (CAS # 889940-13-0)
| Hazard Cov Cim | Xi-xaj |
| Risk Codes | 36/37/38 – Khaus qhov muag, ua pa thiab tawv nqaij. |
| Kev nyab xeeb piav qhia | 26 - Thaum sib cuag nrog lub qhov muag, yaug tam sim ntawd nrog dej kom ntau thiab nrhiav kev kho mob. |
| UN IDs | ib 3261 |
| WGK Germany | 3 |
| HS Code | 29159000 ib |
| Hazard Class | 8 |
| Packing Group | III |
Taw qhia
3,3,3-trifluoro-2,2-dimethylpropanoic acid yog cov organic compound nrog cov mis mos C6H9F3O2. Cov hauv qab no yog kev qhia txog qee yam ntawm nws cov khoom, kev siv, txoj kev thiab cov ntaub ntawv kev nyab xeeb:
Xwm:
1. Cov tsos mob: 3,3,3-trifluoro-2,2-dimethylpropanoic acid yog cov kua tsis muaj xim.
2. Ceev: nws qhov ceev yog li ntawm 1.265 g / cm2.
3. Melting point: Lub melting point ntawm 3,3,3-trifluoro-2,2-dimethylpropanoic acid yog hais txog -18 ℃.
4. Boiling point: Nws boiling point yog hais txog 112-113 ℃.
5. Solubility: 3,3,3-trifluoro-2, 2-dimethylpropyloic acid yog soluble nyob rau hauv ntau cov organic solvents, xws li ethanol thiab ether.
Siv:
3,3,3-trifluoro-2, 2-dimethylpropylacrylic acid muaj ntau yam kev siv nyob rau hauv chemical synthesis thiab kev lag luam tshuaj, feem ntau yog siv nyob rau hauv cov nram qab no yam:
1. Raws li ib tug reagent: nws yuav siv tau raws li ib tug reagent rau organic synthesis, xws li esterification cov tshuaj tiv thaiv thiab amide synthesis.
2. Pharmaceutical field: 3,3,3-trifluoro-2,2-dimethylpropanoic acid plays lub luag haujlwm tseem ceeb hauv kev ua haujlwm nruab nrab lossis reagent hauv cov tshuaj synthesis.
3. Txheej thiab yas kev lag luam: Nws tuaj yeem siv los ua cov kua qaub catalyst thiab catalyst rau cov tshuaj tiv thaiv polymerization.
Txoj Kev Npaj:
Txoj kev npaj ntawm 3,3,3-trifluoro-2, 2-dimethylpropanic acid yog qhov nyuaj thiab feem ntau yuav tsum muaj cov cuab yeej siv hluav taws xob los ua ke. Cov txheej txheem kev npaj muaj xws li trifluoroacetic acid esterification thiab dimethylpropionic acid esterification.
Cov ntaub ntawv kev nyab xeeb:
1. 3,3,3-trifluoro-2,2-dimethylpropanoic acid yog cov organic acid, uas yog irritating thiab corrosive. Kev ceev faj txog kev nyab xeeb yuav tsum tau them sai sai rau thaum siv nws.
2. Tsis txhob kov cov tawv nqaij thiab qhov muag, hnav hnab looj tes thiab tsom iav yog tias tsim nyog.
3. tsis txhob nqus cov pa los yog plua plav, siv yuav tsum ua kom muaj cua zoo.
4. yog tias tsis sib cuag lossis noj mov, yuav tsum tau kho raws sijhawm, thiab kev sab laj kev kho mob.
Thov nco ntsoov tias cov ntaub ntawv saum toj no tsuas yog siv rau kev siv xwb. Yog tias koj xav tau daim ntawv thov tshwj xeeb lossis cov ncauj lus kom ntxaws txog kev nyab xeeb, thov nrog tus kws tshaj lij tshuaj.
