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Methyl 4-fluorobenzoate(CAS# 403-33-8)

Āhuatanga matū:

Tātai rāpoi C8H7FO2
Molar Mass 154.14
Kiato 1.192 g/mL i te 25 °C (marama)
Te Whakarewa 4.5 °C
Piro Pouri 90-92 °C/20 mmHg (marama)
Tohu Kohiko 172°F
Wairewa Chloroform (Paku), Methanol (Paku)
Kohu Kohu 0.698mmHg i te 25°C
Te ahua Hinu
Te taumahatanga motuhake 1.201.192
Tae Maama Taekore
BRN 2085925
Tikanga Rokiroki I hiri ki te maroke, Te Pawera o te rūma
Taurangi Refactive n20/D 1.494(marama)
Āhuatanga ā-tinana, matū hoki Kiato 1.192

Taipitopito Hua

Tohu Hua

Waehere Morearea R22 – He kino ki te horomia
R37/38 – He whakapataritari ki te punaha manawa me te kiri.
R41 – He kino kino ki nga kanohi
R36/38 – He whakapouri ki nga kanohi me te kiri.
Whakaahuatanga Haumaru S26 – Mena ka pa ki nga kanohi, horoi tonu ki te nui o te wai me te rapu tohutohu hauora.
S36/39 -
S36 – Mau kakahu whakamarumaru tika.
WGK Tiamana 2
Waehere HS 29163990
Tuhipoka morearea paitini
Te akomanga morearea TANGATA

 

Kupu Whakataki

Ko te Methyl fluorobenzoate he puhui waro. E whai ake nei he kupu whakataki mo nga rawa, nga whakamahinga, nga tikanga whakarite me nga korero haumaru o te methylparaben:

 

Kounga:

- Te ahua: Te wai kore tae.

- Wairewa: Ka whakarewahia i roto i nga whakarewa pararopi penei i te etera, te waipiro me te esters, kare e rewa ki te wai.

 

Whakamahia:

- Ka taea te whakamahi i te Methyl fluorobenzoate hei takawaenga nui ki te whakahiato waro.

 

Tikanga:

- He maha nga tikanga mo te whakahiato o te methyl fluorobenzoate, a ko te tikanga e whakamahia nuitia ana ka riro mai i te tauhohenga o te fluororeagent me te methyl benzoate. Ko te tikanga, ka taea te tiki methyl fluorobenzoate ma te whakanoho i te fluorobenzene me te methyl benzoate ki raro i te mahi a te kaihoko polycondensation penei i te waikawa Lewis (hei tauira, konumohe chloride).

 

Mōhiohio Haumaru:

- Ko te Methyl fluorobenzoate he matū pararopi, ā, me whai ngā tūpatotanga haumaru e whai ake nei ina whakamahi ana:

- Kaua e pa ki te kiri me nga kanohi.

- A ape i te tango i ona kohu me te mahi ma te whai hau tika, ka mau ranei i te whakamarumaru manawa.

- Whakaorangia mai i te ahi, te wera nui me te ra tika.

- I te wa e whakamahia ana me te rokiroki, tirohia nga aratohu whakahaere haumaru me nga pepa raraunga haumaru rawa.


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