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5-Hydroxyethyl-4-methyl thiazole(CAS#137-00-8)

Āhuatanga matū:

Tātai rāpoi C6H9NOS
Molar Mass 143.21
Kiato 1.196g/mLat 25°C(marama)
Piro Pouri 135°C7mm Hg(marama)
Tohu Kohiko >230°F
Nama JECFA 1031
Wairewa waipiro: wairewa(lit.)
Kohu Kohu 0.00297mmHg i te 25°C
Te ahua wai (marama, viscous)
Te taumahatanga motuhake 1.196
Tae kowhai hohonu
Te kakara te kai, te kakara tunu
Merck 14,6126
BRN 114249
pKa 14.58±0.10(I Matapaetia)
Tikanga Rokiroki 2-8°C
Tairongo piro
Taurangi Refactive n20/D 1.550(marama)
Āhuatanga ā-tinana, matū hoki He kowhai marama ki te wai maramara tan
Whakamahi Mo nga nati, hua miraka, hua mīti, aha atu, whakamahia hei takawaenga rongoa

Taipitopito Hua

Tohu Hua

Nga Tohu Whakamate Xi – Irritant
Waehere Morearea 36/37/38 – He whakapataritari ki nga kanohi, te punaha manawa me te kiri.
Whakaahuatanga Haumaru 24/25 – Kaua e pa ki te kiri me nga kanohi.
WGK Tiamana 3
FLUKA BRAND F CODES 13
TSCA Ae
Waehere HS 29341000
Tuhipoka morearea He whakapouri/Hongo

 

Kupu Whakataki

Ko te 4-Methyl-5-(β-hydroxyethyl)thiazole he pūhui waro. He karaehe tae noa ki te karaehe kowhai marama me te kakara rite ki te thiazole.

 

He maha nga ahuatanga me nga whakamahinga o tenei puhui. Tuarua, ko te 4-methyl-5-(β-hydroxyethyl)thiazole he pūhui takawaenga nui, ka taea te whakamahi i roto i te whakahiato o etahi atu puhui waro.

 

He ngawari noa te tikanga whakarite o tenei puhui. Ko te tikanga whakarite noa ko te hydroxyethylation o te methylthiazole. Ko te mahi motuhake ko te whakahoki i te methylthiazole me te iodineethanol ki te whakaputa 4-methyl-5-(β-hydroxyethyl)thiazole.

 

Me whai waahi haumaru ina whakamahi me te whakahaere i te 4-methyl-5-(β-hydroxyethyl)thiazole. He matū kino ka pa te riri me te kino o te kiri me nga kanohi. I te wa e whakamahia ana, me mau nga karapu tiaki tika me te whakamarumaru kanohi. I tua atu, me rongoa ki tetahi waahi maroke, hauhautanga kei tawhiti atu i te ahi me te mura.


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