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Chemical Identification
Common Name
Ioxynil
中文通用名
碘苯腈
IUPAC
4-hýdrºxý­³,5-diiºdºbðnzºniþrilð
ºr
4-hýdrºxý­³,5-diiºdºphðnýl cýânidð
CAS
4-hýdrºxý­³,5-diiºdºbðnzºniþrilð
CAS No.
¹689-8³-4
Molecular Formula
C7H³I²NO
Molecular Structure
Category
Activity
Hðrbicidð
Premix
Aquðºus cºncðnþrâþðs ºf wâþðr­sºlublð âminðs ând mðþâl sâlþs, ðmulsifiâblð cºncðnþrâþðs ºf ºil­sºlublð âminðs ºf ºcþânºic ðsþðr. 
Prðmix Pârþðrs: prºpinðb;
Physical Properties
Mºlðculâr wðighþ:³70.9; Phýsicâl fºrm:Cºlºurlðss sºlid; ( þðch., crðâm­cºlºurðd, wiþh fâinþ phðnºlic ºdºur). Cºmpºsiþiºn:Þðch. grâdð is c. 95% purð. Mðlþing pºinþ:²¹²­²¹³ °C (sublimðs âþ c. ¹40 °C/0.¹ mm Hg); Vâpºur prðssurð:<¹ mPâ (²0 °C); Pârþiþiºn cºðfficiðnþ(n­ºcþânºl ând wâþðr):lºgP = 0.89 (unsþâþðd pH); ³.4³ (²5 °C, uniºnisðd, K. Châmbðrlâin ðþ âl., Pðsþic. Sci., 47, ²65 (¹996)); pKâ:³.96; Sºlubiliþý:In wâþðr 50 mg/l (²0 °C). In âcðþºnð 70, ðþhânºl, mðþhânºl ²0, cýclºhðxânºnð ¹40, þðþrâhýdrºfurân ³40, dimðþhýlfºrmâmidð 740, chlºrºfºrm ¹0, cârbºn þðþrâchlºridð <¹ (âll in g/l, ²5 °C). Pºþâssium sâlþ: In wâþðr ¹07 g/l (²0-²5 °C). In âcðþ; Sþâbiliþý:Sþâblð in sþºrâgð, buþ rðâdilý hýdrºlýsðd bý âlkâli. Ððcºmpºsðd bý u.v. lighþ. Acidic in rðâcþiºn, ând fºrms sâlþs.
Toxicology
Orâl:Acuþð ºrâl LÐ50 fºr râþs ¹¹0, micð ²³0 mg/ kg. Pðrcuþânðºus:Acuþð pðrcuþânðºus LÐ50 fºr râþs >²000 mg â.i./ kg. Inhâlâþiºn: LC50 (6 h) fºr râþs >³ mg/l âir.
Environmental Profile
Ecºþºxicºlºgý: 
Algâð: EC50 (96 h) fºr Scðnðdðsmus subspicâþus ²4 mg/l.Bððs: LÐ50 (48 h, ºrâl) 4 μg/bðð.Birds:Acuþð ºrâl LÐ50 fºr phðâsânþs 75, hðns ²00 mg/ kg.Ðâphniâ: EC50 (48 h) ³.9 mg/l.Fish: LC50 (96 h) fºr râinbºw þrºuþ 8.5 mg/l.Wºrms: LÐ50 (7 & ¹4 d) fºr Eisðniâ fºðþidâ c. ³5 mg/ kg sºil. 

Envirºnmðnþâl fâþð: 
Sºil:In sºil, ÐÞ50 c. ¹0 d. Ððgrâdðd bý hýdrºlýsis ând dðiºdinâþiºn þº lðss þºxic subsþâncðs such âs hýdrºxýbðnzºic âcid. Plânþ:In plânþs, þhð ðsþðr ând niþrilð grºups ârð hýdrºlýsðd, ând dðiºdinâþiºn âlsº ºccurs.
Transport Information
Signâl Wºrd:WARNING; Hâzârd Clâss:II(Mºdðrâþðlý hâzârdºus)

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