(R) – (+) – 2 – (4-Hydroxyphenoxy) Waikawa Propionic (HPPA)
Taonga：(R) – (+) – 2 – (4-Hydroxyphenoxy) Waikawa Propionic (HPPA)
Nama CAS: 94050-90-5
Tātai ngota: C9H10O4
Tātai Hanganga:
Ngā Whakamahinga: E whakamahia ana i roto i te hanga i te patu taru aryloxy phenoxy-propionates.
Ngā Whakatakotoranga：
| Taonga | Paerewa |
| Āhua | Totoka tioata mā |
| Whakamātautau matū | ≥99.0% |
| Te parakore o te whatu | ≥99.0% |
| Te pūwāhi rewa | 143-147℃ |
| Makuku | ≤0.5% |
Te tono motuhake
Ngā takawaenga patu pepeke; E whakamahia ana hei takawaenga o te puma, te Gaicao tino whai hua, te jingwensha, te jingquizalofop, te alkyne ester me ētahi atu patu pepeke.
Tikanga whakaputa
1. I whakaritea te P-chlorobenzoyl chloride mā te tauhohenga o te p-chlorobenzoyl chloride ki te anisole, ā, i muri mai ka waikura me te demethylation.
2. Te tauhohenga o te p-chlorobenzoyl chloride ki te phenol: whakarewahia te 9.4g (0.1mol) o te phenol ki roto i te 4ml o te otinga hauwai konutai 10%, tāpirihia he 14ml (0.110mol) o te p-chlorobenzoyl chloride maturuturu iho i te 40 ~ 45 ℃, tāpirihia i roto i te 30min, ka tauhohe i te pāmahana kotahi mō te 1H. Whakamataohia ki te pāmahana rūma, tātarihia, ka whakamaroke kia whiwhi ai i te 22.3g o te phenyl p-Chlorobenzoate. Ko te hua he 96%, ā, ko te ira rewa he 99 ~ 101 ℃.
Te rongoā ohorere mō te turuturu
Ngā mahi tiaki, ngā taputapu tiaki me ngā tikanga whakakore ohorere mō ngā kaiwhakahaere:
E taunaki ana kia mau ngā kaimahi ohorere i ngā taputapu manawa hau, i ngā kākahu ārai-pūmau me ngā karapu rapa ātete hinu.
Kaua e pā atu, kaua hoki e whakawhiti i ngā turuturu.
Me hono ngā taputapu katoa e whakamahia ana i te wā e mahi ana ki te whenua.
Tapahia te pūtake o te turuturu i ngā wā katoa e taea ana. Whakakorea ngā pūtake mura katoa.
Me tohu te wāhi whakatūpato i runga anō i te wāhi e pāngia ana e te rere o te wai, te mamaoa, te horapa rānei o te puehu, ā, me whakanekehia ngā tāngata kāore e tika ana ki te wāhi haumaru mai i te hau whakawhiti me te hau whakarunga.
Ngā mahi tiaki taiao: te aukati i te turuturu kia kore ai e poke te taiao. Ārai i te turuturu kia uru ki ngā waikeri, te wai mata me te wai whenua.
Ngā tikanga rokiroki me te tango i ngā matū turuturu me ngā rauemi whakakore i whakamahia:
He turuturu iti: kohia te wai turuturu ki roto i tētahi ipu hiri kia tae ki te wāhi e taea ana. Mīmia ki te onepu, ki te waro whakahohe, ki ētahi atu rauemi kore mahi rānei, ka whakawhiti ki tētahi wāhi haumaru. Kaua e ringihia ki roto i te waipara.
Te turuturu nui: hanga he parepare, keria rānei he poka hei urunga. Katia te paipa waikeri. Ka whakamahia te pahuka hei taupoki i te mimiti. Whakawhitia ki te waka tāke, ki te kaikohi motuhake rānei me te papu ātete-pahū, hangarua, kawe rānei ki te wāhi tukatuka para hei whakakorenga.
Ngā taputapu tiaki whaiaro:
Te tiaki manawa: ina nui ake te kukū o te hau i te paerewa, mauria he kopare hau tātari (he haurua kopare). I te wā e whakaora ana, e neke atu ana rānei i te wāhi ohorere, me mau he taputapu manawa hau.
Tiaki ringa: mauria he karapu rapa ātete hinu.
Tiaki kanohi: mauria he parenga haumaru matū mō ngā kanohi.
Tiaki kiri me te tinana: mauria he kākahu mahi ārai-paitini.
