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4-Methylumbelliferone(CAS# 90-33-5)

Āhuatanga matū:

Tātai rāpoi C10H8O3
Molar Mass 176.17
Kiato 1.1958 (whakatau tata)
Te Whakarewa 188.5-190°C(marama)
Piro Pouri 267.77°C (whakatau tata)
Wairewa wai paku wairewa
Wairewa Wairewa i roto i te waiwaro, waikawa acetic, wairewa alkali me te haukini, paku wairewa ki te wai wera, etere me te chloroform.
Te ahua Te whakatioatanga ngira
Tae ma-ma ki te kowhai
Te roangaru mōrahi(λmax) ['221nm, 251nm, 322nm']
Merck 14,4854
BRN 142217
pKa 7.79(i te 25 ℃)
Tikanga Rokiroki 2-8°C
Te pumau Eu ana. Ka tahuna. He hotokore ki te kaha o te waiora.
Taurangi Refactive 1.5036 (whakatau tata)
MDL MCD00006866
Āhuatanga ā-tinana, matū hoki Ko nga tioata rite ki te ngira. Ira whakarewa 185-186 °c (194-195 °c) wairewa ki te waiwaro, waikawa ahetiki, wairewa kawakore me te haukini, paku wairewa ki te wai wera, etera me te chloroform. Me te waikawa pungatara kukū i roto i te mahi o te fluorescence puru.
Whakamahi He choleretic tenei hua, a he takawaenga o te tarukino anti-pawera cromolyn sodium.

Taipitopito Hua

Tohu Hua

Waehere Morearea R36/37/38 – He whakapataritari ki nga kanohi, te punaha manawa me te kiri.
R20/21/22 – He kino ma te horomia, ka pa ki te kiri me te horomia.
Whakaahuatanga Haumaru S26 – Mena ka pa ki nga kanohi, horoi tonu ki te nui o te wai me te rapu tohutohu hauora.
S37/39 – Kia mau nga karapu tika me te whakamarumaru kanohi/kanohi
S36 – Mau kakahu whakamarumaru tika.
WGK Tiamana 2
RTECS GN7000000
TSCA Ae
Waehere HS 29329990
Tuhipoka morearea Whakariri
Te paitini LD50 waha i te kiore: 3850mg/kg

 

Kupu Whakataki

Ko te Oxymethocoumarin, e mohiotia ana ko te vanillone, he puhui pararopi.

 

Kounga:

Te ahua: Ko te Oxymethaumarin he ma, he kowhatu ma, he kowhatu ma, he kakara motuhake, he rite ki te vanilla.

Wairewa: Ka memeha paku te Oxymethocoumarin ki te wai wera, engari karekau e rewa i te wai matao. He wairewa i roto i nga whakarewa pararopi penei i te waihano, te etera me te chloroform.

Nga taonga matū: He rite tonu te Oxymethacoumarin ki te wairewa waikawa, engari he ngawari ki te pirau i roto i te otinga kawakore kaha, te pāmahana teitei ranei.

 

Whakamahia:

 

Tikanga:

Ka taea te tango mai i te Oxymethaumarin mai i te vanilla tūturu me te nuinga i ahu mai i nga tipu otaota vanilla penei i te pini vanilla me te tarutaru vanilla. I tua atu, ka taea hoki te whakarite ma nga tikanga waihanga, te nuinga o te whakamahi i te coumarin taiao hei rauemi mata, ka hurihia ma te raupapa o nga tauhohenga matū.

 

Mōhiohio Haumaru:

Ko te Oxymethocoumarin e kiia ana he haumaru, engari ka puta pea nga tauhohenga mate mate ki etahi tangata. I te wa e whakaputahia ana, e whakamahia ana i roto i te umanga, me mahi nga tikanga haumaru, penei i te mau karapu whakamarumaru me nga karaehe whakamarumaru. Me karohia te whakapiri ki nga matū penei i te waikawa kaha, te kawakore kaha, me te waiora kia kore ai e raru.


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