page_banner

hua

2-Methyl-2-pentenoic acid(CAS#3142-72-1)

Āhuatanga matū:

Tātai rāpoi C6H10O2
Molar Mass 114.14
Kiato 0.979g/mLat 25°C
Te Whakarewa 26-28°C(marama)
Piro Pouri 123-125°C30mm Hg(marama)
Tohu Kohiko 226°F
Nama JECFA 1210
Kohu Kohu 0.0554mmHg i te 25°C
Kohu Kohu >1 (me te hau)
Te ahua paura ki te puranga
Tae Mā ki Tata mā
pKa 5.00±0.19(I Matapaetia)
Tikanga Rokiroki I hiri ki te maroke, Te Pawera o te rūma
Taurangi Refactive n20/D 1.46(marama)
Āhuatanga ā-tinana, matū hoki Kore tae ki te wai kowhai marama. Ira kohua 123 C (4000Pa). Te hau kawa, te reka hua reka me te kawa, te tirikara me te kakara rakau. Ka kitea nga hua taiao i roto i nga rōpere.
Whakamahi Mo te whakaritenga o te rōpere, Hawthorn me etahi atu momo kai

Taipitopito Hua

Tohu Hua

Nga Tohu Whakamate C – Huka
Waehere Morearea R34 – He weranga
R22 – He kino ki te horomia
R41 – He kino kino ki nga kanohi
Whakaahuatanga Haumaru S26 – Mena ka pa ki nga kanohi, horoi tonu ki te nui o te wai me te rapu tohutohu hauora.
S36/37/39 – Mau kakahu whakamarumaru tika, karapu me te whakamarumaru kanohi/kanohi.
S45 – Ki te puta he aitua, ki te kore ranei koe e pai, rapu wawe i nga tohutohu hauora (whakaatuhia te tapanga ina taea.)
UN ID UN 3261 8/PG 3
WGK Tiamana 2
TSCA Ae
Waehere HS 29161900
Te akomanga morearea 8
Roopu Tarapi III

 

Kupu Whakataki

Ko te waikawa 2-Methyl-2-pentenic, e mohiotia ana ko te waikawa butenedic, he puhui waro. E whai ake nei he kupu whakataki mo nga rawa, nga whakamahinga, nga tikanga whakarite me nga korero haumaru o te waikawa 2-methyl-2-pentenoic:

 

Kounga:

- Ko te waikawa 2-Methyl-2-pentenoic he wai kore tae ki te kowhai kowhai me te haunga o te hua.

- Ko te waikawa 2-Methyl-2-pentenoic he wairewa i roto i te wai me nga whakarewa pararopi penei i te waipiro me te etera.

- He pūhui pūmau e kore e mura noa, e pahū-whaiaro ranei i te pāmahana me te pehanga tikanga.

 

Whakamahia:

- Ko te waikawa 2-Methyl-2-pentenoic e tino whakamahia ana i roto i te whakarite i nga polymers mahi nui penei i nga whakakikoruatanga motuhake, nga piripiri, me nga hiri.

- He monomer tuarua nui ka taea te whakarite ma te polymerization o nga copolymers waikawa butenic.

 

Tikanga:

- Ka taea te whakarite te waikawa 2-Methyl-2-pentenoic ma te taapiri waikawa-catalyzed o te cyclohexene.

- Ka tauhohehia te Dimethyllithium me te cyclohexene ki te whiwhi i te 2-methyl-1-cyclohexenylmethyllithium, katahi ka whakamaua me te waikawa kia whiwhi 2-methyl-2-pentenoic acid.

 

Mōhiohio Haumaru:

- Ko te waikawa 2-Methyl-2-pentenoic he matū irirangi ka whakapataritari pea i te kiri me nga kanohi, me nga tikanga tiaki pera i te mau karapu whakamarumaru me nga karaehe mo te whakamahi.

- Kare e tau ki te marama me te teitei o te pāmahana, ka puta pea nga tauhohenga polymerization, no reira me karohia te roa o te rongo ki te ra, ki te rokiroki ranei i nga pāmahana teitei.

- I te wa e whakahaerea ana, e penapena ana, me noho ke atu i nga rawa muramura me nga mea whakapouri hei aukati i te tupono o te ahi, te pahūtanga ranei.

- I te wa e whakahaere ana i te waikawa 2-methyl-2-pentenoic, me whai nga tikanga whakamatautau tika me nga aratohu whakahaere haumaru. Mena ka puta he aitua, me mahi wawe nga mahi ohorere, me rapu awhina hauora ngaio tonu.


  • Tōmua:
  • Panuku:

  • Tuhia to korero ki konei ka tukuna mai ki a matou