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4-Hydroxypropiophenone(CAS # 70-70-2)

Āhuatanga matū:

Tātai rāpoi C9H10O2
Molar Mass 150.17
Kiato 1.09 g/cm3 (20 ℃)
Te Whakarewa 36-38°C(marama)
Piro Pouri 152-154°C26mm Hg(marama)
Tohu Kohiko >230°F
Wairewa wai 0.34 g/l (15 ºC)
Wairewa mewaro: 0.1g/mL, maamaa
Kohu Kohu 0.000678mmHg i te 25°C
Te ahua Kiriata ma
Tae
Merck 14,7044
BRN 907511
pKa 8.87±0.26(I Matapaetia)
Tikanga Rokiroki Whakaorangia ki raro +30°C.
Taurangi Refactive 1.5360 (whakatau tata)
MDL MCD00002361
Āhuatanga ā-tinana, matū hoki Ira whakarewa 148-152°C
ira hiko 180°C
wai-wairewa 0.34g/l (15°C)
Whakamahi Whakamahia hei rauemi mata kirikiri wai me nga takawaenga

Taipitopito Hua

Tohu Hua

Morearea me te Haumaru

Waehere Morearea 36/37/38 – He whakapataritari ki nga kanohi, te punaha manawa me te kiri.
Whakaahuatanga Haumaru S37 – Me mau karapu pai.
S24/25 – A ape i te pa ki te kiri me nga kanohi.
S36 – Mau kakahu whakamarumaru tika.
S26 – Mena ka pa ki nga kanohi, horoi tonu ki te nui o te wai me te rapu tohutohu hauora.
WGK Tiamana 3
RTECS UH1925000
TSCA Ae
Waehere HS 29145000
Te paitini LD50 ā-waha i te Rapeti: 11800 mg/kg

 

 

Nga korero

Ko te P-hydroxypropionone, e mohiotia ana ko te 3-hydroxy-1-phenylpropiotone, te vanillin ranei, he puhui waro. Ko nga korero e whai ake nei e whakaatu ana i ona ahuatanga, whakamahinga, tikanga hanga me nga korero haumaru:

Kounga:
Ko te Hydroxypropiophenone he karaihe totoka, he ma, he kowhai marama ranei te tae. He kakara reka, he maha nga wa ka whakamahia hei mea kakara. He nui te whakarewatanga o tenei puhui i te pāmahana rūma, ka taea te whakarewa ki te wai me te maha o nga whakarewa waro.

Whakamahia:

Tikanga:
Ko te P-hydroxypropion i te nuinga o te waa ka mahia ma te whakahiato matū. He tikanga noa ka whiwhi ma te whakaeterera o te cresol me te acetone, ka whai i te whakamaaramatanga ma te whakamahana i nga hua esterification.

Mōhiohio Haumaru:
Ko te Hydroxypropiophenone e kiia ana he puhui ahua haumaru. Ko te nui o te rongo ka pa te kiri me nga kanohi. Ko nga mahi whakatupato penei i te karapu, motiuri, me nga kakahu mahi e tika ana me mau ki te whakamahi, ki te whakahaere ranei. A ape i te hongi i tana puehu, i ona kohu ranei, me te mahi i roto i te waahi whai hau pai. Mena ka horomia, ka pa atu ranei, me toro atu ki te rongoa.


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