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Ӣƣ iminodiacetic acid
ʽ HN(CH2CO2H)2
133.1 cas142-73-4
Ậ,%,≥ 98.5 98.0 97.5
ˮֺ,%,≤ 0.5 0.5 0.6
ɫ״
; Ҫݼ좣ӽ֬ԭ,ũҩũҩм
װ ڳĤ֯25Kg

|
۵ 243 °C (dec.)(lit.)
ˮܽ 2.43 g/100 mL (5 ºC)
Merck 14,4917
BRN 878499
CAS ݿ 142-73-4(CAS DataBase Reference)
NISTѧϢ Glycine, N-(carboxymethyl)-(142-73-4)
EPAѧϢ Glycine, N-(carboxymethyl)-(142-73-4)

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ѧ| ƷΪɫ״ᾧ壬m.p.243(ֽ)΢ˮ͸лܼ
;
1.dzݼݸ좵м塣
2.rˎzͰȽjݸ좵ԭ
3.jτҲЙCϳ
4.ڲݸ좵ĺϳɣ߀Ϙ֬ĺϳԭϣҲz價IҪԭϺgw߀Ԅjτgw
5.ƂjτͱԄЙCϳɡţιȰÓøƄ
1.ƷƳƣˮ·Ӧ±ᣬȻƵÁᡣ1ƵƱܽˮڽ»̼ƣֱҺеݾơ2±Ʊڽ½Һμӵ50%ˮУӦ¶Ȳó25档10minӦpHֵӦ9-10֮䡣Ȼ̼ƣ¶Ϊ20-25档ӱϣ¶65-70棬1hȻңữɫ壬ˣˮϴ60±ᣬ۵166-167档±ˮУڽ»16%ҺȻټŨᣬ25淴Ӧ1.5hӦҺŨԭ1/3ᾧˣ60Áᡣ2.ֱӺϳɡᡢƷͼȩˮҺڹʽӦзӦõǰ档3.Ͱᷨ4.Ҵ淨5.ͰӦ
ƱڷӦм״ơ25ˮڽҺ¶ȿ(50±5)棬ڸ¶ȱַӦ3hµ80棬μᣬ95100淴Ӧ15minȴӦᾧᾧòƷӦʽClCH2COOH+Ca(OH)2+NH4OH→NH(CH2COO)2Ca+3H2O
NH(CH2COO)2Ca+3HCl→NH(CH2CO()H)2·HCl+CaCl2
ҲöҴڴ߻ƵǰȩȻӦһɁƣһֻԭɶ᰷˷Ӧʹ᰷ȫɁᡣ
ڽΪȽķǶҴ ≥98.5 98.0 97.5%


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