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2-Acetyl-5-methyl furan(CAS#1193-79-9)

Āhuatanga matū:

Tātai rāpoi C7H8O2
Molar Mass 124.14
Kiato 1.066 g/mL i te 25 °C (marama)
Te Whakarewa 2 °C
Piro Pouri 100-101 °C/25 mmHg (marama)
Tohu Kohiko 176°F
Nama JECFA 1504
Wairewa wai He iti te wairewa ki te wai. Wairewa ki te waipiro.
Kohu Kohu 0.301mmHg i te 25°C
Kohu Kohu >1 (me te hau)
Te ahua Kiriata ma
Te taumahatanga motuhake 1.066
Tae Kowhai marama ki te Paraone
BRN 110853
Tikanga Rokiroki Te hau hau, Te Pamahana o te rūma
Taurangi Refactive n20/D 1.512(marama)
MDL MCD00003243
Whakamahi Ka whakamahia hei kakara o ia ra

Taipitopito Hua

Tohu Hua

Waehere Morearea 22 – He kino ki te horomia
Whakaahuatanga Haumaru 36 – Mau kakahu tiaki tika.
UN ID 2810
WGK Tiamana 3
RTECS LT8528000
Waehere HS 29321900
Tuhipoka morearea He kino
Te akomanga morearea 6.1(b)
Roopu Tarapi III

 

Kupu Whakataki

Ko te 5-methyl-2-acetylfuran he pūhui waro.

 

Ko te pūhui nga āhuatanga e whai ake nei:

Te ahua: he wai kore tae, he wai kowhai marama ranei.

Wairewa: Ka whakarewahia i roto i te nuinga o nga whakarewa waro, penei i te waiwaro, te mewaro me te methylene chloride.

Kiato: 1.08 g/cm3.

 

Ko nga whakamahinga matua o te 5-methyl-2-acetylfuran ko:

Te whakahiato matū: Hei takawaenga i roto i nga tauhohenga whakahiato waro, ka taea te whakamahi ki te whakahiato i etahi atu puhui waro.

 

Ko nga tikanga mo te whakarite i te 5-methyl-2-acetylfuran ko:

Kua whakaritea mai i te 5-methyl-2-hydroxyfuran ma te acylation.

Ka mahia ma te acetylation o te 5-methylfuran e te acetylating agent (hei tauira, acetic anhydride) me te whakakorikori (hei tauira, te waikawa pungatara).

 

He whakapataritari, me karo i te pa ki te kiri me nga kanohi.

Ko te whakangohanga, te horonga pokanoa ranei ka paheke te huhu me te mamae o te nakunaku, me waiho nga tamariki me nga kararehe.

Ko nga mahi tiaki tika, penei i te mau kaakahu tiaki me nga karapu, me whakamahi i te wa e mahi ana.

I te wa e penapena ana, me kati kia kati, kia matara atu i nga puna ahi me nga waiora.


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