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2-Ethyl-4-hydroxy-5-Methyl-3(2H)-furanone(CAS#27538-10-9)

Āhuatanga matū:

Tātai rāpoi C7H10O3
Molar Mass 142.15
Kiato 1.137g/mLat 25°C(marama)
Piro Pouri 248-249°C(marama)
Tohu Kohiko 184°F
Nama JECFA 1449
pKa 9.62±0.40(I Matapaetia)
Tikanga Rokiroki i raro i te hau hau (hauota, Argon ranei) i te 2-8°C
Taurangi Refactive n20/D 1.512(marama)
MDL MFCD00191360

Taipitopito Hua

Tohu Hua

Waehere Morearea 22 – He kino ki te horomia
Whakaahuatanga Haumaru S23 – Kaua e hau kohu.
S36 – Mau kakahu whakamarumaru tika.
WGK Tiamana 3
RTECS LU4250000

 

Kupu Whakataki

Ko te 2-Ethyl-4-hydroxy-5-methyl-3(2H) -furanone, e mohiotia ana ko MEKHP, he puhui waro. Ko nga korero e whai ake nei mo te ahua, nga whakamahinga, nga tikanga whakarite me nga korero haumaru o MEKHP:

 

Kounga:

- Ko te MEKHP he wai kore tae me te reka kakara motuhake.

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Whakamahia:

- Ko te MEKHP te nuinga o te whakamahi hei whakarewa me te takawaenga i roto i te whānuitanga o nga tikanga whakahiato matū me te waro.

- Ka taea te whakamahi hei rauemi mata mo te kapia rongoa rongoa, takawaenga waihanga o nga waikano tika, me nga pesticides.

 

Tikanga:

- Ko te tikanga whakarite mo te MEKHP ko te nuinga ka riro mai i te tauhohenga Auff o te methylpyridone me te ethylene.

- Ko te tauhohenga Aouf he tauhohenga metathesis i whiwhi ai te MEKHP i te tauhohenga tuwhena ora i te aroaro o te acetylene.

 

Mōhiohio Haumaru:

- Ko te MEKHP kei te whakapataritari i nga kanohi me te kiri, me horoi ki te nui o te wai i muri tonu i te whakapiri.

- Kia tupato ki te karo i te toha i te kohu me te karo i te pa ki te mura o te ahi me te wera nui.

- Ko te MEKHP he matū me whai i nga tikanga whakahaere tika me te whakahaere i roto i te waahi whai hau pai.

- I te wa e whakamahi ana me te penapena, me whai i nga ture whakahaere haumaru e tika ana me te tuku tika i nga para.


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