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hua

2 4-Dibromobenzoic acid(CAS# 611-00-7)

Āhuatanga matū:

Tātai rāpoi C7H4Br2O2
Molar Mass 279.91
Kiato 1.9661 (whakatau tata)
Te Whakarewa 171.0 ki te 175.0 °C
Piro Pouri 336.6±32.0 °C(Te Matapae)
Tohu Kohiko 157.3°C
Wairewa wairewa ki Methanol
Kohu Kohu 4.36E-05mmHg i te 25°C
Te ahua paura kōwhai
Tae Mā ki Tata mā
pKa 2.62±0.10(I Matapaetia)
Tikanga Rokiroki I hiri ki te maroke, Te Pawera o te rūma
Taurangi Refactive 1.4970 (whakatau tata)
Āhuatanga ā-tinana, matū hoki Te paura kowhai, he kiripiri rite rau ranei. Ira Whakarewa 174 °c (whakahekeheke). Wairewa i roto i te waipiro me te etera, paku wairewa i roto i te wai wera, ka taea te rewa ki te kohu wai.

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 S26 – Mena ka pa ki nga kanohi, horoi tonu ki te nui o te wai me te rapu tohutohu hauora.
S37 – Me mau karapu pai.
Waehere HS 29163990

 

Kupu Whakataki

Ko te waikawa 2,4-Dibromobenzoic he pūhui waro. He kirikiri ma, he paura kirikiri ranei. E whai ake nei he kupu whakataki mo nga rawa, nga whakamahinga, nga tikanga whakarite me nga korero haumaru o te waikawa 2,4-dibromobenzoic:

 

Kounga:

- Te ahua: He tioata ma, he paura tioata ranei.

- Wairewa: Ka whakarewahia i roto i nga whakarewa pararopi penei i te waiwaro, te etera me te chloroform, kare e rewa ki te wai.

 

Whakamahia:

- Ka taea hoki te whakamahi hei taapiri antioxidant me te taapiri rapa, me era atu mea.

 

Tikanga:

- Ko te tikanga whakarite o te waikawa 2,4-dibromobenzoic te nuinga ka riro mai i te tauhohenga bromination o te waikawa benzoic. I roto i te taahiraa motuhake, ka tauhohe tuatahi te waikawa benzoic ki te bromine i te aroaro o te whakakorikori waikawa hei hanga waikawa bromobenzoic. Na, ka whakamarohia te waikawa bromobenzoic ki te hoatu waikawa 2,4-dibromobenzoic.

 

Mōhiohio Haumaru:

- Ko te waikawa 2,4-Dibromobenzoic he tino pumau i te pāmahana rūma, engari ka pirau i te pāmahana teitei, ka tuwhera ranei te mura ki te whakaputa hau paitini.

- He whakapataritari, ka puta te irirangi me te whakararu i te pa atu ki te kiri, ki nga kanohi, ki te taha manawa.

- Ko nga tikanga whakamarumaru whaiaro e tika ana penei i nga karapu whakamarumaru, tiaki kanohi, me nga taputapu whakamarumaru manawa me tango i te wa e whakamahi ana, e penapena ana, e whakahaere ana.

- Me noho matara atu i nga puna ahi me nga mea whakahaora me te rongoa ki tetahi waahi hauhautanga.


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