isibhengezo_sekhasi

umkhiqizo

3 3 3-trifluoro-2 2-dimethylpropanoic acid (CAS# 889940-13-0)

Isakhiwo Samakhemikhali:

I-Molecular Formula I-C5H7F3O2
I-Molar Mass 156.1
Ukuminyana 1.278±0.06 g/cm3(Kubikezelwe)
I-Melting Point 66-71 °C
I-Boling Point 76-77°C/14mm
I-Flash Point 46.6°C
Ukuncibilika I-Chloroform (Kancane), i-Methanol (Kancane)
I-Vapor Presure 1.8mmHg ku-25°C
Ukubukeka Okuqinile
Umbala Okumhlophe kuya kokumhlophe
pKa 3.10±0.10(Kubikezelwe)
Isimo Sesitoreji Gcina endaweni emnyama, evalwe endaweni eyomile, Emazingeni Okushisa Egumbi
I-Refractive Index 1.363
I-MDL MFCD08445819

Imininingwane Yomkhiqizo

Omaka bomkhiqizo

Izimpawu Eziyingozi Xi - Irritant
Amakhodi Engozi 36/37/38 - Ukucasula amehlo, uhlelo lokuphefumula kanye nesikhumba.
Incazelo Yokuphepha 26 - Uma uthintana namehlo, geza ngokushesha ngamanzi amaningi futhi ufune iseluleko sezokwelapha.
Ama-ID e-UN 3261
I-WGK Germany 3
Ikhodi ye-HS 29159000
I-Hazard Class 8
Iqembu Lokupakisha III

 

Isingeniso

I-3,3,3-trifluoro-2,2-dimethylpropanoic acid iyinhlanganisela ephilayo enefomula ethi C6H9F3O2. Okulandelayo yisingeniso kwezinye zezakhiwo zayo, ukusetshenziswa, izindlela kanye nolwazi lokuphepha:

 

Imvelo:

1. Ukubukeka: I-3,3,3-trifluoro-2,2-dimethylpropanoic acid iwuketshezi olungenambala.

2. ukuminyana: ukuminyana kwayo kucishe kube ngu-1.265 g/cm.

3. Iphuzu lokuncibilika: Iphuzu lokuncibilika lika-3,3,3-trifluoro-2,2-dimethylpropanoic acid lingaba -18 ℃.

4. Iphuzu elibilayo: Iphuzu layo lokubila licishe libe ngu-112-113 ℃.

5. Ukunyibilika: i-3,3,3-trifluoro-2, i-2-dimethylpropyloic acid iyancibilika kuma-solvents amaningi e-organic, njenge-ethanol ne-ether.

 

Sebenzisa:

I-3,3,3-trifluoro-2, i-2-dimethylpropylacrylic acid inohlu olubanzi lwezinhlelo zokusebenza ekuhlanganiseni kwamakhemikhali nasembonini yezemithi, ikakhulukazi esetshenziswa kulezi zici ezilandelayo:

1. Njenge-reagent: ingasetshenziswa njenge-reagent ye-organic synthesis, njenge-esterification reaction kanye ne-amide synthesis.

2. inkambu yemithi: I-3,3,3-trifluoro-2,2-dimethylpropanoic acid idlala indima ebalulekile njenge-intermediate noma i-reagent ekuhlanganiseni kwezidakamizwa.

3. Imboni yokumboza nepulasitiki: Ingasetshenziswa njenge-acid catalyst kanye ne-catalyst yokusabela kwe-polymerization.

 

Indlela Yokulungiselela:

indlela yokulungiselela ye-3,3,3-trifluoro-2, i-2-dimethylpropanic acid iyinkimbinkimbi futhi ngokuvamile idinga ubuchwepheshe be-organic synthesis ukuze buhlanganiswe. Izindlela zokulungiselela ezivamile zihlanganisa i-trifluoroacetic acid esterification kanye ne-dimethylpropionic acid esterification.

 

Ulwazi Lokuphepha:

1. I-3,3,3-trifluoro-2,2-dimethylpropanoic acid i-asidi ephilayo, ecasulayo futhi ebolayo. Izinyathelo zokuphepha kufanele zinakwe lapho uyisebenzisa.

2. Gwema ukuthinta isikhumba namehlo, gqoka amagilavu ​​okuzivikela kanye nezibuko uma kunesidingo.

3. gwema ukuhogela isitimu noma uthuli, ukusetshenziswa kufanele kuqinisekise umoya omuhle.

4. uma ukuthintana ngengozi noma ukudla, kufanele kube ukwelashwa okufika ngesikhathi, nokubonisana nodokotela.

 

Sicela uqaphele ukuthi imininingwane engenhla ingeyereferensi kuphela. Uma udinga isicelo esithile noma ulwazi oluningiliziwe lokuphepha, sicela uxhumane nochwepheshe bamakhemikhali.


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