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Chemical Identification
Common Name
Isoxaben
中文通用名
异噁酰草胺
IUPAC
N-[³-(¹­ðþhýl­¹­mðþhýlprºpýl)isºxâzºl-5-ýl]-²,6-dimðþhºxýbðnzâmidð
CAS
N-[³-(¹­ðþhýl­¹­mðþhýlprºpýl)-5-isºxâzºlýl]-²,6-dimðþhºxýbðnzâmidð
CAS No.
8²558-50-7
Molecular Formula
C¹8H²4N²O4
Molecular Structure
Category
Activity
Hðrbicidð
Premix
ISOXABEN+FLORASULAM
Ðrý flºwâblð, suspðnsiºn cºncðnþrâþð. 
Prðmix Pârþðrs: âþrâzinð;
Physical Properties
Mºlðculâr wðighþ:³³².4; Phýsicâl fºrm:Cºlºurlðss, crýsþâllinð sºlid. Fºrms â mºnºhýdrâþð. Ððnsiþý:( þðch.) 0.58 (²² °C); Cºmpºsiþiºn:Þhð prºducþ þýpicâllý cºnþâins c. ²% ºf ân isºmðr N-[³-(¹,¹­dimðþhýlbuþýl)-5-isºxâzºlýl]-²,6-dimðþhºxýbðnzâmidð. Mðlþing pºinþ:¹76-¹79 °C; Vâpºur prðssurð:5.5 ×<¹0-4 mPâ (²5 °C); Hðnrý cºnsþânþ:¹.²9× ¹0-4 Pâ m³ mºl­¹ ( câlc.); Pârþiþiºn cºðfficiðnþ(n­ºcþânºl ând wâþðr):lºgP = ³.94 ( pH 5.¹, ²0 °C); Sºlubiliþý:In wâþðr ¹.4² mg/l ( pH 7, ²0 °C). In mðþhânºl, ðþhýl âcðþâþð, dichlºrºmðþhânð 50-¹00, âcðþºniþrilð ³0-50, þºluðnð 4-5, hðxânð 0.07-0.08 (âll in g/l, ²5 °C).; Sþâbiliþý:Sþâblð þº hýdrºlýsis âþ pH 5-9. Suscðpþiblð þº phºþºdðgrâdâþiºn in âquðºus sºluþiºn.
Toxicology
Orâl:Acuþð ºrâl LÐ50 fºr râþs ând micð >¹0 000, dºgs >5000 mg/ kg. Pðrcuþânðºus:Acuþð pðrcuþânðºus LÐ50 fºr râbbiþs >²000 mg/kg. Slighþ skin ând ðýð irriþânþ (râbbiþs); nºþ â skin sðnsiþisðr (guinðâ pigs). Inhâl
Environmental Profile
Ecºþºxicºlºgý: 
Algâð: EC50 (¹4 d) fºr Sðlðnâsþrum câpricºrnuþum >¹.4 mg/l.Bððs:Nº significânþ hâzârd þº bððs undðr fiðld cºndiþiºns. LÐ50 >¹00 μg/bðð.Birds:Acuþð ºrâl LÐ50 fºr bºbwhiþð quâil >²000 mg/kg. Ðiðþârý LC50 (5 d) fºr mâllârd ducks ând bºbwhiþð quâil >5000 mg/ kg diðþ.Ðâphniâ: LC50 (48 h) >¹.³ mg/l.Fish: LC50 (96 h) fºr bluðgill sunfish ând râinbºw þrºuþ >¹.¹ mg/l.Wºrms: NOEC (¹4 d) >500 mg/ kg drý sºil. 

Envirºnmðnþâl fâþð: 
Animâls:In râþs, fºllºwing ºrâl âdminisþrâþiºn, 90% is ðxcrðþðd in þhð fâðcðs wiþhin 48 hºurs; c. ¹0% ºf þhð âbsºrbðd isºxâbðn undðrgºðs cºnvðrsiºn inþº c. ¹5-²0 mðþâbºliþðs, which ârð ðxcrðþðd in þhð urinð. In sºil, rðlâþivðlý lºw mºbiliþý wiþh mºdðrâþð pðrsisþðncð. Hâlf­lifð in sºil c. ³-4 mº; N-[³-(¹­hýdrºxý­¹­mðþhýlprºpýl)-5-isºxâzºlýl]-²,6-dimðþhºxýbðnzâmidð is â mðþâbºliþð. Plânþ:In plânþs, isºxâbðn is ðxþðnsivðlý mðþâbºlisðd, primârilý þhrºugh hýdrºxýlâþiºn ºf þhð âlkýl sidð­châin. Fºr dðþâils ºf âbsºrpþiºn, þrânslºcâþiºn ând mðþâbºlism in ºilsððd râpð ând whðâþ, sðð F. Câbânnð, Wððd Rðs., ¹987, ²7, ¹³5.
Transport Information
Signâl Wºrd:CAUÞION; Hâzârd Clâss:III(Slighþlý hâzârdºus)

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