3-METHYL-5-ISOXAZOLEACETIC ACID（CAS#19668-85-0 )
Morearea me te Haumaru
| 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. S36 – Mau kakahu whakamarumaru tika. |
| WGK Tiamana | 3 |
| Waehere HS | 29349990 |
3-METHYL-5-ISOXAZOLEACETIC ACID（CAS#19668-85-0 ) Kupu Whakataki
-Whakaahua: Maamaa kiriataata totoka
-Ira Whakarewa: 157-160 ℃
-papatipu rāpoi whanaunga: 141.13g/mol
-Maoritanga: He iti te wairewa ki te wai, ka whakarewahia ki te waipiro, te etera me nga whakarewa pararopi
-Ko nga mea matū: 3-methyll-5-isoxazoleacetic ACID ka taea te acylated, carbonylated me te whakakapi e te ACID-catalyzed tauhohenga.
Whakamahia:
-Mahere rongoa: 3-METHYL-5-ISOXAZOLEACETIC ACID ka whakamahia hei takawaenga waihanga me te whakamahia i roto i te whakarite i nga raau taero me nga ngota ngota koiora.
-Ara pesticide: Ka taea hoki te whakamahi hei rauemi mata mo nga patu patu patu, hei whakarite i nga pesticides, fungicides me te herbicides.
Tikanga:
Ko te tikanga whakarite o te 3-methyll-5-isoxazoleacetic ACID he uaua ake, engari ka taea te mahi ma nga mahi e whai ake nei:
1. Tuatahi whakarite 5-Isoxazolylmethanol (5-Isoxazolylmethanol).
2. Te whakamahi i te waikawa pyruvic (Acetone) me te pāhare pāhare pāporo (Potasium nitrate) i te aroaro o nga katote iodide mo te tauhohenga nitration, te whakarite i te waikawa 5-Isoxazolylcarboxylic (5-Isoxazolylcarboxylic acid).
3. Te Acylation o te 5-isoxazolyl carboxylic ACID ma te whakamahi i te methanol me te sulfuric ACID hei whakaputa i te 3-METHYL-5-ISOXAZOLEACETIC ACID.
Mōhiohio Haumaru:
I te wa e whakahaere ana i te ACID 3-methyll-5-isoxazoleacetic, me whai i nga whakatupato haumaru e whai ake nei:
-Kaore e pa ki te kiri me nga kanohi. Mena ka pa mai, horoia tonu ki te nui o te wai.
-Ka mau i nga taputapu whakamarumaru whaiaro e tika ana, penei i nga mokete, nga karapu me nga koti taiwhanga.
-Kati te tango i tana kohu, te puehu ranei, me te whakarato i te hau tika i te wa e mahi ana.
-I te wa e mahi ana i nga whakaritenga taiwhanga-tauine, whai i nga tikanga haumaru o te taiwhanga matū.
