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Guaiacol(CAS#90-05-1)

Āhuatanga matū:

Tātai rāpoi C7H8O2
Molar Mass 124.14
Kiato 1.129 g/mL i te 25 °C (marama)
Te Whakarewa 26-29 °C (marama)
Piro Pouri 205 °C (marama)
Tohu Kohiko 180°F
Nama JECFA 713
Wairewa wai 17 g/L (15 ºC)
Wairewa He iti te memeha ki te wai me te benzene. Wairewa ki te glycerin. Miscible ki te waihano, ether, chloroform, hinu, waikawa acetic glacial.
Kohu Kohu 0.11 mm Hg (25 °C)
Kohu Kohu 4.27 (me te hau)
Te ahua Waiwai
Tae He maama kore tae ki te kowhai marama
Merck 14,4553
BRN 508112
pKa 9.98(i te 25 ℃)
PH 5.4 (10g/l, H2O, 20 ℃)
Tikanga Rokiroki 2-8°C
Te pumau He pumau, engari he hau me te marama. Ka tahuna. He hotokore ki te kaha o te waiora.
Tairongo Te rangi tairongo
Taurangi Refactive n20/D 1.543(marama)
MDL MCD00002185
Āhuatanga ā-tinana, matū hoki He kiripiri ma, he kowhai ranei, he kore tae ki te kowhai he wai hinuhinu. He kakara kakara motuhake.
Whakamahi Mo te whakahiato waikano, ka whakamahia ano hei reagents tātari

Taipitopito Hua

Tohu Hua

Waehere Morearea R22 – He kino ki te horomia
R36/38 – He whakapouri ki nga kanohi me te kiri.
Whakaahuatanga Haumaru 26 – Ki te pa ki nga kanohi, horoi tonu ki te nui o te wai me te rapu tohutohu hauora.
UN ID 2810
WGK Tiamana 1
RTECS SL7525000
TSCA Ae
Waehere HS 29095010
Tuhipoka morearea Toxic/Irritant
Te akomanga morearea 6.1(b)
Roopu Tarapi II
Te paitini LD50 ā-waha i roto i te kiore: 725 mg/kg (Taylor)

 

Kupu Whakataki

Ko Guaiacol he puhui pararopi. E whai ake nei he kupu whakataki mo nga rawa, nga whakamahinga, nga tikanga whakarite me nga korero haumaru o guaiacol luff:

 

Kounga:

- Te ahua: Ko Guaiac he wai maramara me te kakara motuhake.

- Wairewa: Ka whakarewahia i roto i te maha o nga whakarewa waro, penei i te waiwaro me te etera.

 

Whakamahia:

- Pesticides: I etahi wa ka whakamahia te Guaiacol hei whakauru ki roto i nga pesticides.

 

Tikanga:

Ka taea te tango i te Guaiacol mai i te rakau guaiac (he tipu) ka whakahiatohia ranei e te methylation o te cresol me te catechol. Ko nga tikanga whakahiato ko te tauhohenga o te p-cresol me te chloromethane i whakakorikoria e te kawakawa, te p-cresol ranei me te waikawa formic i raro i te waikawa catalysis me etahi atu.

 

Mōhiohio Haumaru:

- Ko te kohu o Guaiacol he mea whakapouri, a tera pea ka pa ki nga kanohi, kiri, me te punaha manawa. Whakamaua he karu kanohi whakamarumaru, he karapu me te kanohi kanohi mena e tika ana.

- Me noho matara atu i te ahi me te wera nui, ka penapena ki roto i te ipu maataki kia kore ai e pa ki nga waikura.

- I te wa e whakamahi ana i te guaiacol i roto i te taiao hau pai, me te karo i te toha i ona kohu mo te wa roa.

- Kia tika te whakahaere i te puhui i runga i nga tikanga whakahaere me nga aratohu whakahaere haumaru. Ki te pa ki te kiri, ki te whakamahi ranei, horoi tonu ki te nui o te wai ka rapu awhina hauora.


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