H-Pyrazole-3-carboxylic acid 4-bromo-1 5-dimethyl-（CAS# 5775-91-7)

Kupu Whakataki

Waikawa, 4-bromo-1, 5-dimethanol-ko te pūhui ko tōna tātai matū ko C7H8BrNO2.

Taiao:

1. Te ahua: waikawa, totoka 4-bromo-1,5-dimethyl-ma.

2. Ira whakarewa: Kei waenganui i te 128-130°C te ira whakarewa o te puhui.

3. Wairewa: He wairewa i roto i etahi whakarewa waro, penei i te waiwaro me te dichloromethane, engari karekau ki te wai.

Whakamahia:

Waikawa, 4-bromo-1,5-dimethyl-he uara tono i roto i te whakahiato waro, ka whakamahia te nuinga ki te hanga i te anga ngota ngota waro me te arahi i nga tauhohenga. Ka taea te whakamahi hei takawaenga mo te whakahiatotanga o nga pesticides, nga rongoa me nga waikano.

Tikanga Whakaritenga:

waikawa, 4-bromo-1,5-dimethyl-ka taea te whakahiato ma nga mahi e whai ake nei-:

1. Tuatahi, ka tauhohehia te methyl methacrylate me te aniline i raro i te catalysis o te alkali hei whakarite i te 1,5-dimethyl-1H-pyrazole.

2. Ka tauhohehia te 1,5-dimethyl -1H-pyrazole ki te hauwai bromide i te aroaro o te waikawa ahetiki hei whakaputa i te 4-bromo-1, 5-dimethyl -1H-pyrazole.

3. Ka mutu, ka tauhohehia te 4-bromo-1, 5-dimethyl-1H-pyrazole ki te konutai waikawa, te konutai warowaiha ranei hei whakaputa waikawa, 4-bromo-1,5-dimethy-.

Mōhiohio Haumaru:

Mo te haumaru o te waikawa, 4-bromo-1,5-dimethyl-, ko nga mea e whai ake nei me tohu:

1. ka whakapataritari te puhui ki nga kanohi, ki te kiri me te punaha manawa, karohia te whakapiri tika.

2. I te wa e whakamahia ana, karohia te tango i te puehu me te kohu o te otinga.

3. I te wa e mahi ana me te rokiroki, me whai waahi pai me nga tikanga tiaki whaiaro, penei i te mau karaehe whakamarumaru, nga karapu me nga kakahu whakamarumaru e tika ana.

4. Mēnā ka pā atu koe ki tēnei pūhui, me horoi tonu te wāhi kua pā ki te wai maha, ka toro atu ki te tohutohu a tō tākuta.

Ko enei korero mo te tohutoro anake. Tena panuihia me te whai i te pepa raraunga haumaru o te matū e tika ana i mua i te whakamahi.