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a(chn)ƷB t ӢCongo red Cas̖ 573-58-0 Beilstein 3894858 EINECS: -- 209-358-4 ʽ C32 H22 N6 Na2 O6 S2 696.66 e ֱӄt,t,ֱt,ֱӴt,-4,4-(ż-2-)-1--4-c Sodium diphenyl diazo-bis--naphthylamine-4-sulfonate Ԡ ؼtɫĩˮStɫˮStɫҴʳɫO΢ڱͪ׺ղL(pH7.3)488nm(E1cm1% ) 595딵(sh)(o})190mg/kg ܶȣ1 |˜ Q/(HG)SJ 540-91 Ŀltem (AR) pH׃ɫVisnal transition interval 3.0({)5.2(tɫ) ˮܽԇSolubility in water ϸ ˮInsoluble matter,% 1.0 ˮ(H2 O)Water,% 5.0 Ɵ(}Ӌ)Ignition residue,% 27.0 ACS ĿQ Item Sign ACS Grade Claroty of solution passes test ׃ɫ Visual transition interval pH3.0(yellow)to pH5.2(red) ʧ Loss on drying 3.0% A ܷⱣ ; Aָʾ[pH3.0({)-5.0(t)]ָʾ|zyθҺеx}̥ƬֲճwSԽMȾɫy軯}
l(f)rg 2011/8/29 15:40:00
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