(E)-Methyl 4-bromocrotonate（CAS# 6000-00-6)
Morearea me te Haumaru
| Nga Tohu Whakamate | Xi – Irritant |
| Waehere Morearea | R37/38 – He whakapataritari ki te punaha manawa me te kiri. R41 – He kino kino ki nga kanohi R36/37/38 – 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. S39 – Mau whakamarumaru kanohi / kanohi. |
| WGK Tiamana | 3 |
| RTECS | GQ3120000 |
| FLUKA BRAND F CODES | 8-9 |
| Waehere HS | 29161900 |
Kupu Whakataki
Trans-4-bromo-2-butenoic acid methyl ester he wai kore tae me te kakara motuhake. He 1.49g/cm3 te kiato, he 171-172°C te ira koropuke, me te 67°C te ira hiko. Kare e rewa i roto i te wai i te pāmahana rūma, engari ka uru ki nga whakarewa pararopi penei i te waihano, etera, aha atu.
Whakamahia:
Trans-4-bromo-2-butenoic acid methyl ester te nuinga whakamahia hei takawaenga i roto i nga tauhohenga whakahiato waro. Ka taea te whakamahi mo te whakahiato o etahi atu puhui waro, hei tauira mo te whakahiato o nga puhui i roto i te matū rongoa me te matū pesticide.
Tikanga Whakaritenga:
Ko te Trans-4-bromo-2-butenoic acid methyl ester te nuinga o te wa ka whakaritea e te tauhohenga bromination me te tauhohenga esterification. Ka tauhohenga tuatahi te Butene me te bromine ki te hoatu 4-bromo-2-butene, katahi ka whakaeterina ki te methanol hei hoatu trans-4-bromo-2-butenoic acid methyl ester.
Mōhiohio Haumaru:
Ko te Trans-4-bromo-2-butenoic acid methyl ester he momo whakarewa pararopi me te matū matū rawa, he mea kino. He whakapataritari, he waikura, me te pa ki te kiri, ki nga kanohi, ki te ara manawa ranei ka pa mai te riri me te whara. Me karohia te whakapiri tika i te wa e whakamahia ana, me tango te whakamarumaru manawa me nga kakahu whakamarumaru. I tua atu, kia tupato ki te karo i te pa atu ki nga waikura me nga waikawa kaha i te wa e rokiroki ana kia kore ai e tauhohenga kino. Mēnā ka hiahia koe ki te whakamahi i tēnei pūhui, tēnā whakahaere i roto i te whare haumaru me te whai i nga tikanga mahi haumaru e tika ana.
